Pan, Zengxi Stephen.

Positions

• School of Mechanical, Materials & Mechatronics Engineering
• Faculty of Engineering and Information Sciences
• Advanced Manufacturing Technologies
• Academic Leader - Facility for Intelligent Fabrication 2018 -

Selected Publications

• Journal Article

  Year	Title
  2022	A Non-autoregressive Dynamic Model based Welding Parameter Planning Method for Varying Geometry Beads in WAAM Published In IEEE Transactions on Industrial Electronics
  2022	A defect detection system for wire arc additive manufacturing using incremental learning Published In Journal of Industrial Information Integration
  2022	Effects of synchronized magnetic arc oscillation on microstructure, texture, grain boundary and mechanical properties of wire arc additively manufactured Ti6Al4V alloy Published In Additive Manufacturing
  2022	Integration of a multi-directional wire arc additive manufacturing system with an automated process planning algorithm Published In Journal of Industrial Information Integration
  2022	Layer-by-layer model-based adaptive control for wire arc additive manufacturing of thin-wall structures Published In Journal of Intelligent Manufacturing
  2022	Low neutron cross-section FeCrVTiNi based high-entropy alloys: design, additive manufacturing and characterization Published In Microstructures
  2022	Microstructural characterisation and hardness assessment of wire arc cladded Hastelloy C276 on creep resistant steel P91 Published In Journal of Materials Research and Technology
  2022	Microstructural characterization and oxidation performance of solution-annealed and precipitation hardened wire-arc additively manufactured Inconel 718 superalloys Published In Additive Manufacturing
  2022	Microstructure and mechanical properties of ultra-high strength Al-Zn-Mg-Cu-Sc aluminum alloy fabricated by wire + arc additive manufacturing Published In Journal of Manufacturing Processes
  2022	Modelling and prediction of surface roughness in wire arc additive manufacturing using machine learning Published In Journal of Intelligent Manufacturing
  2022	Neutron diffraction residual stress determinations in titanium aluminide component fabricated using the twin wire-arc additive manufacturing Published In Journal of Manufacturing Processes
  2022	On the effect of heat input and interpass temperature on the performance of inconel 625 alloy deposited using wire arc additive manufacturing¿cold metal transfer process Published In Metals
  2022	Strut formation control and processing time optimization for wire arc additive manufacturing of lattice structures Published In Journal of Manufacturing Processes
  2022	Towards intelligent monitoring system in wire arc additive manufacturing: a surface anomaly detector on a small dataset Published In International Journal of Advanced Manufacturing Technology
  2022	Vision-based melt pool monitoring for wire-arc additive manufacturing using deep learning method Published In International Journal of Advanced Manufacturing Technology
  2021	A practical fabrication strategy for wire arc additive manufacturing of metallic parts with wire structures Published In International Journal of Advanced Manufacturing Technology
  2021	A shape control strategy for wire arc additive manufacturing of thin-walled aluminium structures with sharp corners Published In Journal of Manufacturing Processes
  2021	A strut-based process planning method for wire arc additive manufacturing of lattice structures Published In Journal of Manufacturing Processes
  2021	Application of wire arc additive manufacturing for repair of Monel alloy components Published In Australian Journal of Mechanical Engineering
  2021	Comparative study on crystallographic orientation, precipitation, phase transformation and mechanical response of Ni-rich NiTi alloy fabricated by WAAM at elevated substrate heating temperatures Published In Materials Science and Engineering A
  2021	Effect of the post-production heat treatment on phase evolution in the Fe3Ni¿FeNi functionally graded material: An in-situ neutron diffraction study Published In Intermetallics
  2021	Fabrication of metallic parts with overhanging structures using the robotic wire arc additive manufacturing Published In Journal of Manufacturing Processes
  2021	High-temperature oxidation performance of wire-arc additively manufactured Inconel 718 superalloys Published In Materials Science and Technology (United Kingdom)
  2021	Modification and characterization of the Al concentration induced precipitate in the Fe3Al-based iron aluminide fabricated using the wire-arc additive manufacturing process Published In MATERIALS CHARACTERIZATION
  2021	OICP: An online fast registration algorithm based on rigid translation applied to wire arc additive manufacturing of mold repair Published In Materials
  2021	On the development of pseudo-eutectic AlCoCrFeNi2.1 high entropy alloy using Powder-bed Arc Additive Manufacturing (PAAM) process Published In Materials Science and Engineering A
  2021	Robotic skeleton arc additive manufacturing of aluminium alloy Published In International Journal of Advanced Manufacturing Technology
  2021	The first step towards intelligent wire arc additive manufacturing: An automatic bead modelling system using machine learning through industrial information integration Published In Journal of Industrial Information Integration
  2021	The well-distributed volumetric heat source model for numerical simulation of wire arc additive manufacturing process Published In Materials Today Communications
  2021	WAAM process for metal block structure parts based on mixed heat input Published In International Journal of Advanced Manufacturing Technology
  2020	A combination of keyhole GTAW with a trapezoidal interlayer: A new insight into armour steel welding Published In Materials
  2020	An overview on TiFe intermetallic for solid-state hydrogen storage: microstructure, hydrogenation and fabrication processes Published In Critical Reviews in Solid State and Materials Sciences
  2020	Comparative effect of Mn/Ti solute atoms and TiC/Ni 3 (Al,Ti) nano-particles on work hardening behaviour in Ni–Cu alloys fabricated by wire arc additive manufacturing Published In Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing
  2020	Corrigendum to ¿Location dependence of microstructure, phase transformation temperature and mechanical properties on Ni-rich NiTi alloy fabricated by wire arc additive manufacturing¿. [Mater. Sci. Eng. A 749 (2019) 218¿222](S0921509319301911)(10.1016/j.msea.2019.02.029) Published In Materials Science and Engineering A
  2020	Effect of heat input on weld formation and tensile properties in keyhole mode TIG welding process Published In Metals
  2020	Improving the weld microstructure and material properties of K-TIG welded armour steel joint using filler material Published In International Journal of Advanced Manufacturing Technology
  2020	In-situ neutron diffraction characterization on the phase evolution of y-TiAl alloy during the wire-arc additive manufacturing process Published In Journal of Alloys and Compounds
  2020	Introduction of ternary alloying element in wire arc additive manufacturing of titanium aluminide intermetallic Published In Additive Manufacturing
  2020	Location dependence of microstructure and mechanical properties of Cu-Al alloy fabricated by dual wire CMT Published In Materials Research Express
  2020	Location dependence of microstructure, phase transformation temperature and mechanical properties on Ni-rich NiTi alloy fabricated by wire arc additive manufacturing Published In Journal of Materials Science and Engineering A
  2020	Microstructural characterization and mechanical properties of K-TIG welded SAF2205/AISI316L dissimilar joint Published In Journal of Manufacturing Processes
  2020	Mitigation of thermal distortion in wire arc additively manufactured Ti6Al4V part using active interpass cooling Published In Science and Technology of Welding and Joining
  2020	Mode coupling chatter prediction and avoidance in robotic machining process Published In International Journal of Advanced Manufacturing Technology
  2020	Mode coupling chatter suppression for robotic machining using semi-active magnetorheological elastomers absorber Published In Mechanical Systems and Signal Processing
  2020	Neutron diffraction residual stress determinations in Fe3Al based iron aluminide components fabricated using wire-arc additive manufacturing (WAAM) Published In Additive Manufacturing
  2020	Phase constituent control and correlated properties of titanium aluminide intermetallic alloys through dual-wire arc additive manufacturing Published In Materials Letters
  2020	Precipitation strengthening in Ni–Cu alloys fabricated using wire arc additive manufacturing technology Published In Metals
  2020	A review on wire arc additive manufacturing: Monitoring, control and a framework of automated system Published In Journal of Manufacturing Systems
  2020	Application of multidirectional robotic wire arc additive manufacturing process for the fabrication of complex metallic parts Published In IEEE Transactions on Industrial Informatics
  2020	Dynamic modeling of weld bead geometry features in thick plate GMAW based on machine vision and learning Published In Sensors (Switzerland)
  2020	Effect of Magnetic Arc Oscillation on the geometry of single-pass multi-layer walls and the process stability in wire and arc additive manufacturing Published In Journal of Materials Processing Technology
  2020	Effect of post-weld heat treatment on microstructure and mechanical properties of deep penetration autogenous TIG-welded dissimilar joint between creep strength enhanced ferritic steel and austenitic stainless steel Published In International Journal of Advanced Manufacturing Technology
  2020	Enhanced interface strength in steel-nickel bimetallic component fabricated using wire arc additive manufacturing with interweaving deposition strategy Published In Journal of Materials Science and Technology
  2020	Evolution of crystallographic orientation, precipitation, phase transformation and mechanical properties realized by enhancing deposition current for dual-wire arc additive manufactured Ni-rich NiTi alloy Published In Additive Manufacturing
  2020	Fabrication of FeNi intermetallic using the wire-arc additive manufacturing process: A feasibility and neutron diffraction phase characterization study Published In Journal of Manufacturing Processes
  2020	In-Situ Fabrication of Titanium Iron Intermetallic Compound by the Wire Arc Additive Manufacturing Process Published In Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
  2020	In-situ dual wire arc additive manufacturing of NiTi-coating on Ti6Al4V alloys: Microstructure characterization and mechanical properties Published In Surface and Coatings Technology
  2020	In-situ neutron diffraction study on the high temperature thermal phase evolution of wire-arc additively manufactured Ni53Ti47 binary alloy Published In Journal of Alloys and Compounds
  2020	Investigation of humping phenomenon for the multi-directional robotic wire and arc additive manufacturing Published In Robotics and Computer-Integrated Manufacturing
  2020	Microstructural evolution and mechanical properties of deep cryogenic treated Cu–Al–Si alloy fabricated by Cold Metal Transfer (CMT) process Published In Materials Characterization
  2020	Model predictive control of layer width in wire arc additive manufacturing Published In Journal of Manufacturing Processes
  2020	Model-free adaptive iterative learning control of melt pool width in wire arc additive manufacturing Published In International Journal of Advanced Manufacturing Technology
  2020	Thermal induced phase evolution of Fe¿Fe3Ni functionally graded material fabricated using the wire-arc additive manufacturing process: An in-situ neutron diffraction study Published In Journal of Alloys and Compounds
  2020	Vision based defects detection for Keyhole TIG welding using deep learning with visual explanation Published In Journal of Manufacturing Processes
  2020	Wire arc additive manufacturing of Ti6AL4V using active interpass cooling Published In Materials and Manufacturing Processes
  2019	A combination of keyhole GTAW with a trapezoidal interlayer: A new insight into armour steel welding Published In Materials
  2019	An overview on TiFe intermetallic for solid-state hydrogen storage: microstructure, hydrogenation and fabrication processes Published In Critical Reviews in Solid State and Materials Sciences
  2019	Comparative effect of Mn/Ti solute atoms and TiC/Ni 3 (Al,Ti) nano-particles on work hardening behaviour in Ni–Cu alloys fabricated by wire arc additive manufacturing Published In Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing
  2019	Corrigendum to ¿Location dependence of microstructure, phase transformation temperature and mechanical properties on Ni-rich NiTi alloy fabricated by wire arc additive manufacturing¿. [Mater. Sci. Eng. A 749 (2019) 218¿222](S0921509319301911)(10.1016/j.msea.2019.02.029) Published In Materials Science and Engineering A
  2019	Effect of heat input on weld formation and tensile properties in keyhole mode TIG welding process Published In Metals
  2019	Improving the weld microstructure and material properties of K-TIG welded armour steel joint using filler material Published In International Journal of Advanced Manufacturing Technology
  2019	In-situ neutron diffraction characterization on the phase evolution of y-TiAl alloy during the wire-arc additive manufacturing process Published In Journal of Alloys and Compounds
  2019	Introduction of ternary alloying element in wire arc additive manufacturing of titanium aluminide intermetallic Published In Additive Manufacturing
  2019	Location dependence of microstructure and mechanical properties of Cu-Al alloy fabricated by dual wire CMT Published In Materials Research Express
  2019	Location dependence of microstructure, phase transformation temperature and mechanical properties on Ni-rich NiTi alloy fabricated by wire arc additive manufacturing Published In Journal of Materials Science and Engineering A
  2019	Microstructural characterization and mechanical properties of K-TIG welded SAF2205/AISI316L dissimilar joint Published In Journal of Manufacturing Processes
  2019	Mitigation of thermal distortion in wire arc additively manufactured Ti6Al4V part using active interpass cooling Published In Science and Technology of Welding and Joining
  2019	Mode coupling chatter prediction and avoidance in robotic machining process Published In International Journal of Advanced Manufacturing Technology
  2019	Mode coupling chatter suppression for robotic machining using semi-active magnetorheological elastomers absorber Published In Mechanical Systems and Signal Processing
  2019	Neutron diffraction residual stress determinations in Fe3Al based iron aluminide components fabricated using wire-arc additive manufacturing (WAAM) Published In Additive Manufacturing
  2019	Phase constituent control and correlated properties of titanium aluminide intermetallic alloys through dual-wire arc additive manufacturing Published In Materials Letters
  2019	Precipitation strengthening in Ni–Cu alloys fabricated using wire arc additive manufacturing technology Published In Metals
  2018	A Review on Chatter in Robotic Machining Process Regarding Both Regenerative and Mode Coupling Mechanism Published In IEEE-ASME Transactions on Mechatronics
  2018	A review of slicing methods for directed energy deposition based additive manufacturing Published In Rapid Prototyping Journal
  2018	A review of the wire arc additive manufacturing of metals: properties, defects and quality improvement Published In Journal of Manufacturing Processes
  2018	Characterization of wire arc additively manufactured titanium aluminide functionally graded material: Microstructure, mechanical properties and oxidation behaviour Published In Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing
  2018	Effect of chemical composition on microstructure, strength and wear resistance of wire deposited Ni-Cu alloys Published In Additive Manufacturing
  2018	Effects of heat accumulation on microstructure and mechanical properties of Ti6Al4V alloy deposited by wire arc additive manufacturing Published In Additive Manufacturing
  2018	Influences of postproduction heat treatment on Fe3Al-based iron aluminide fabricated using the wire-arc additive manufacturing process Published In International Journal of Advanced Manufacturing Technology
  2018	Investigation into the viability of K-TIG for joining armour grade quenched and tempered steel Published In Journal of Manufacturing Processes
  2018	The anisotropic corrosion behaviour of wire arc additive manufactured Ti-6Al-4V alloy in 3.5% NaCl solution Published In Corrosion Science
  2018	The effects of forced interpass cooling on the material properties of wire arc additively manufactured Ti6Al4V alloy Published In Journal of Materials Processing Technology
  2018	The influence of post-production heat treatment on the multi-directional properties of nickel-aluminum bronze alloy fabricated using wire-arc additive manufacturing process Published In Additive Manufacturing
  2018	Thermal cycling of Fe3Al based iron aluminide during the wire-arc additive manufacturing process: An in-situ neutron diffraction study Published In Intermetallics
  2017	Adaptive Partial Shortcuts: Path Optimization for Industrial Robotics Published In Journal of Intelligent and Robotic Systems: theory and applications
  2017	Effects of heat accumulation on the arc characteristics and metal transfer behavior in Wire Arc Additive Manufacturing of Ti6Al4V Published In Journal of Materials Processing Technology
  2017	Fabrication of Copper-Rich Cu-Al Alloy Using the Wire-Arc Additive Manufacturing Process Published In Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
  2017	Influences of deposition current and interpass temperature to the Fe3Al-based iron aluminide fabricated using wire-arc additive manufacturing process Published In International Journal of Advanced Manufacturing Technology
  2016	Adaptive path planning for wire-feed additive manufacturing using medial axis transformation Published In Journal of Cleaner Production
  2016	Automatic multi-direction slicing algorithms for wire based additive manufacturing Published In Robotics and Computer Integrated Manufacturing
  2016	Bead modelling and implementation of adaptive MAT path in wire and arc additive manufacturing Published In Robotics and Computer Integrated Manufacturing
  2016	Fabricating superior NiAl bronze components through wire arc additive manufacturing Published In Materials
  2016	Fabrication of Fe-FeAl Functionally Graded Material Using the Wire-Arc Additive Manufacturing Process Published In Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
  2016	In-depth study of the mechanical properties for Fe3Al based iron aluminide fabricated using the wire-arc additive manufacturing process Published In Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing
  2016	Learning trajectories for robot programming by demonstration using a coordinated mixture of factor analysers Published In IEEE Transactions on Cybernetics
  2016	Neutron Optics Upgrades to the Residual Stress Diffractometer, KOWARI Published In Materials Research Proceedings
  2016	The effect of postproduction heat treatment on γ-TiAl alloys produced by the GTAW-based additive manufacturing process Published In Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing
  2016	Towards an automated robotic arc-welding-based additive manufacturing system from CAD to finished part Published In Computer Aided Design
  2015	A multi-bead overlapping model for robotic wire and arc additive manufacturing (WAAM) Published In Robotics and Computer Integrated Manufacturing
  2015	A practical path planning methodology for wire and arc additive manufacturing of thin-walled structures Published In Robotics and Computer Integrated Manufacturing
  2015	Effect of interpass temperature on in-situ alloying and additive manufacturing of titanium aluminides using gas tungsten arc welding Published In Additive Manufacturing
  2015	Fabrication of iron-rich Fe-Al intermetallics using the wire-arc additive manufacturing process Published In Additive Manufacturing
  2015	Recognizing human motions through mixture modeling of inertial data Published In Pattern Recognition
  2015	The effect of location on the microstructure and mechanical properties of titanium aluminides produced by additive layer manufacturing using in-situ alloying and gas tungsten arc welding Published In Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing
  2015	Wire-feed additive manufacturing of metal components: technologies, developments and future interests Published In International Journal of Advanced Manufacturing Technology
  2014	A tool-path generation strategy for wire and arc additive manufacturing Published In International Journal of Advanced Manufacturing Technology
  2014	Characterization of in-situ alloyed and additively manufactured titanium aluminides Published In Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
  2014	Effects of wire feed conditions on in situ alloying and additive layer manufacturing of titanium aluminides using gas tungsten arc welding Published In Journal of Materials Research
  2014	Feasibility study of low force robotic friction stir process and its effect on cavitation erosion and electrochemical corrosion for Ni Al bronze alloys Published In Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
  2014	Neutron diffraction residual stress measurements of welds made with pulsed tandem gas metal arc welding (PT-GMAW) Published In Powder Diffraction
  2013	Development of safe optimized welding procedures for high strength Q&T steel welded with austenitic consumables Published In Revista Soldagem and Inspecao
  2013	Path Planning with a Lazy Significant Edge Algorithm (LSEA) Published In International Journal of Advanced Robotic Systems
  2012	Automated offline programming for robotic welding system with high degree of freedoms Published In Lecture Notes in Electrical Engineering
  2012	Bringing path planning and lean automation together Published In Advanced Materials Research
  2012	Investigation into feasibility of hybrid laser-GMAW process for welding high strength quenched and tempered steel Published In Australasian Welding Journal
  2012	Recent progress on programming methods for industrial robots Published In Robotics and Computer Integrated Manufacturing
  2011	Automated assembly of ship panels using an integrated robotic tool Published In Advanced Materials Research
  2011	Human motion capture sensors and analysis in robotics Published In Industrial Robot
  2011	Tandem gas metal arc welding for low distortion butt welds Published In Advanced Materials Research
  2008	Robotic machining from programming to process control: a complete solution by force control Published In Industrial Robot
  2003	Miniature pipe robots Published In Industrial Robot

• Chapter

  Year	Title
  2022	Application of Wire Arc Additive Manufacturing for Inconel 718 Superalloy Published In Materials, Structures and Manufacturing for Aircraft Publisher Springer International Publishing
  2020	Thermal Behavior in Wire Arc Additive Manufacturing: Characteristics, Effects and Control Published In Transactions on Intelligent Welding Manufacturing Publisher Springer Singapore
  2020	Effects of Deposition Current on the Microstructure and Pseudoelasticity of Wire-Arc Additively Manufactured Ni-rich NiTi Alloys Published In Advances in Intelligent Systems and Computing Publisher Springer International Publishing
  2020	Mask R-CNN-Based Welding Image Object Detection and Dynamic Modelling for WAAM Published In Transactions on Intelligent Welding Manufacturing Publisher Springer Singapore
  2019	Thermal Behavior in Wire Arc Additive Manufacturing: Characteristics, Effects and Control Published In Transactions on Intelligent Welding Manufacturing Publisher Springer Singapore
  2018	Arc Welding Processes for Additive Manufacturing: A Review Published In Transactions on Intelligent Welding Manufacturing Publisher SPRINGER-VERLAG SINGAPORE PTE LTD
  2018	Arc Welding Processes for Additive Manufacturing: A Review Published In Transactions on Intelligent Welding Manufacturing Publisher Springer Singapore
  2018	Automated Programming for Robotic Welding Published In Transactions on Intelligent Welding Manufacturing Publisher SPRINGER-VERLAG SINGAPORE PTE LTD
  2018	Automated Programming for Robotic Welding Published In Transactions on Intelligent Welding Manufacturing Publisher Springer Singapore
  2016	Advanced Design for Additive Manufacturing: 3D Slicing and 2D Path Planning Published In New Trends in 3D Printing Publisher InTech
  2016	Effect of Post Production Heat Treatment on ?-Tial Alloys Produced by Gtaw- Based Additive Manufacturing Process Published In Proceedings of the 13th World Conference on Titanium Publisher John Wiley & Sons, Inc.
  2015	Process planning strategy for wire and ARC additive manufacturing Published In Robotic Welding, Intelligence and Automation Publisher Switzerland
  2011	Offline programming for a complex welding system using DELMIA automation Published In Robotic Welding, Intelligence and Automation: RWIA'2010 Publisher Berlin
  2007	Machining with Flexible Manipulators: Critical Issues and Solutions Published In Industrial Robotics: Programming, Simulation and Applications

• Conference Paper

  Year	Title
  2021	MIMO Model Predictive Control of Bead Geometry in Wire Arc Additive Manufacturing Published In 2021 IEEE 11th Annual International Conference on CYBER Technology in Automation, Control, and Intelligent Systems, CYBER 2021
  2021	Sphere sets from point clouds for efficient collision detection in robot motion planning Published In 2021 IEEE 11th Annual International Conference on CYBER Technology in Automation, Control, and Intelligent Systems, CYBER 2021
  2020	Automatic Rebar Counting using Image Processing and Machine Learning Published In 9th IEEE International Conference on Cyber Technology in Automation, Control and Intelligent Systems, CYBER 2019
  2020	Automatic Rebar Counting using Image Processing and Machine Learning **Research supported by University of Wollongong
  2020	The Strategy for Fabricating Wire-Structure Parts Using Robotic Skeleton Arc Additive Manufacturing Published In 9th IEEE International Conference on Cyber Technology in Automation, Control and Intelligent Systems, CYBER 2019
  2020	The Strategy for Fabricating Wire-Structure Parts Using Robotic Skeleton Arc Additive Manufacturing**Researah supported by University of Wollongong.
  2020	Multi-direction slicing of STL models for robotic wire-feed additive manufacturing Published In Proceedings - 26th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference, SFF 2015
  2019	Automatic Rebar Counting using Image Processing and Machine Learning Published In 9th IEEE International Conference on Cyber Technology in Automation, Control and Intelligent Systems, CYBER 2019
  2019	Automatic Rebar Counting using Image Processing and Machine Learning **Research supported by University of Wollongong
  2019	The Strategy for Fabricating Wire-Structure Parts Using Robotic Skeleton Arc Additive Manufacturing Published In 9th IEEE International Conference on Cyber Technology in Automation, Control and Intelligent Systems, CYBER 2019
  2019	The Strategy for Fabricating Wire-Structure Parts Using Robotic Skeleton Arc Additive Manufacturing**Researah supported by University of Wollongong.
  2018	Task Space Motion Planning Decomposition Published In Proceedings - IEEE International Conference on Robotics and Automation
  2017	Automatic Weld Path Generation for Mesh Objects Published In 2017 IEEE 7th Annual International Conference on CYBER Technology in Automation, Control, and Intelligent Systems (CYBER)
  2017	Semi-Active Chatter Reduction for Robotic Machining Using Magnetorheological Elastomers (MREs) Published In 2017 IEEE 7th Annual International Conference on CYBER Technology in Automation, Control, and Intelligent Systems, CYBER 2017
  2016	Automatic program generation for welding robots from CAD Published In 2016 IEEE International Conference on Advanced Intelligent Mechatronics (AIM)
  2016	Recent progress on sampling based dynamic motion planning algorithms Published In 2016 IEEE International Conference on Advanced Intelligent Mechatronics (AIM)
  2015	Bounding sphere CAD model simplification for efficient collision detection in offline programming Published In 2015 IEEE International Conference on Cyber Technology in Automation, Control and Intelligent Systems, IEEE-CYBER 2015
  2015	Process planning for robotic wire and arc additive manufacturing Published In PROCEEDINGS OF THE 2015 10TH IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS
  2015	Process planning for robotic wire and arc additive manufacturing Published In Proceedings of the 2015 10th IEEE Conference on Industrial Electronics and Applications, ICIEA 2015
  2015	Process planning strategy for wire and ARC additive manufacturing Published In Advances in Intelligent Systems and Computing
  2013	3D mapping using a ToF camera for self programming an industrial robot Published In 2013 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM)
  2013	Inertial sensing for human motor control symmetry in injury rehabilitation Published In 2013 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM)
  2013	Path planning for industrial robots; Lazy Significant Edge Algorithm (LSEA) Published In 2013 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM)
  2011	Development of a DC-LSND welding process for GMAW on DH-36 Steel Published In 56th WTIA annual conference 2011
  2011	Feasibility of the laser hybrid process for welding high strength Q&T steel Published In 6th Asian Pacific IIW International Congress and 56th WTIA Annual Conference including future leaders forum
  2011	Offline programming for short batch robotic welding Published In 16th Joining of Materials (JOM) conference 2012
  2010	Recent progress on programming methods for industrial robots Published In Joint 41st International Symposium on Robotics and 6th German Conference on Robotics 2010, ISR/ROBOTIK 2010
  2009	Autonomous blimp control using reinforcement learning Published In ICCAS-SICE International Joint Conference
  2009	Control of autonomous airship Published In IEEE International Conference on Robotics and Biomimetics
  2009	Improving robotic machining accuracy by real-time compensation Published In ICCAS-SICE International Joint Conference
  2009	Motion capture in robotics review Published In IEEE International Conference on Control and Automation
  2009	Q-learning algorithm for navigation control of autonomous blimp Published In Australasian Conference on Robotics and Automation
  2008	Mixture Model Segmentation for Gait Recognition Published In Symposium on Learning and Adaptive Behaviour in Robotic Systems
  2008	Motion segmentation for humanoid control planning Published In Australasian Conference on Robotics and Automation
  2008	Robotic Machining from Programming to Process Control Published In World Congress on Intelligent Control and Automation
  2008	Robotic Machining: Material Removal Rate Control with a Flexible Manipulator Published In International Conference on Robotics, Automation and Mechatronics
  2007	Adaptive force control for robotic machining process Published In Proceedings of the American Control Conference
  2007	Adaptive force control for robotic machining process Published In 2007 AMERICAN CONTROL CONFERENCE, VOLS 1-13
  2007	Analysis and suppression of chatter in robotic machining process Published In 2007 INTERNATIONAL CONFERENCE ON CONTROL, AUTOMATION AND SYSTEMS, VOLS 1-6
  2007	Analysis and suppression of chatter in robotic machining process Published In ICCAS 2007: International Conference on Control, Automation and Systems
  2007	Empirical modelling of human gaits for biped robots Published In Australasian Conference on Robotics and Automation
  2007	Robotic polishing for complex contoured parts Published In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON MECHANICAL ENGINEERING AND MECHANICS 2007, VOLS 1 AND 2
  2007	Robotic programming for manufacturing industry Published In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON MECHANICAL ENGINEERING AND MECHANICS 2007, VOLS 1 AND 2
  2003	A Flexible Full-Body Tactile Sensor of Low Cost and Minimal Connections

Investigator On

Year	Title
2020 - 2023	Analysis and solutions of pipeline girth weld failure under the longitudinal stress due to strength mis-matching Awarded by: Baosteel-Australia Joint Research and Development Centre Funding Scheme: R&D Fund
2014	Automated off-line programming of industrial robot for the manufacture of tilt trays Awarded by: Enterprise Connect Funding Scheme: Researchers in Business

Other Research Activities

• DMTC 5.51 Wire Arc Additive Manufacturing for Aerospace Aluminium Components Project Leader 2018 - 2021
• DMTC 9.12: Additive Manufacturing for Ship Components Project Leader 2015 - 2020
• Lysaght, Loading and logistic optimisation Project Leader 2018 - 2019
• RMCRC project R2-3-3 UGL Bogie Frame Advanced Manufacturing Project Leader 2016 - 2019
• Automated welding processes for stainless steel drainage products Project Leader 2017 - 2018
• DMTC 3.22 Advanced Welding Solutions for high strength steels Researcher 2017 - 2018
• DMTC 9.11 Low distortion welding processes scoping study Researcher 2017 - 2018
• DMTC 6.30: Automated Manufacturing of Next Generation Armoured Vehicle Project Leader 2015 - 2018
• UOW Global Challenge Strategic Fund: Robotic Fabrication in Architecture and Arts Project Leader 2016
• Ekebol: automated offline programming of robots for the manufacture of tilt trays Researcher 2014 - 2015

Potential Supervision Topics

• 1. High speed video analysis for welding
  2. RobotStudio assembly demo
  3. Water tank PID control
  4. Modula robotic lab
  5. ROS study for robotics lab
  6. Automated stock counting using computer vision
  7. Industry 4.0 and Australia manufacturing industry.
  8. 3D printing using industrial robot
  9. Design optimisation for WAAM
  10. Distortion simulation for WAAM
  11. Vision control for TIG based Additive manufacturing
  12. Bead modelling for WAAM process
  13. Weld data analysis through pattern recognition
  14. Development of a control system for WAAM process
  15. Advanced penetration control for K-TIG welding
  16. Additive manufacturing for Arts using WAAM ,Programming for single droplet transfer.
  17. 3D reverse engineering, Faro sensor + repair

Advisees

• Graduate Advising Relationship

  Degree	Research Title	Advisee
  Doctor of Philosophy	The Study of Fabricating Cu-Al Alloy via Wire-Arc Additive Manufacturing	Dong, Bosheng
  Doctor of Philosophy	Wire Arc Additive Manufacturing: Hardfacing of Armour Steel	Ning, Yimiao
  Doctor of Philosophy	Automated Assembly for Rolling Stock Fabrication in Rail Industry	Vu, Trong Thien
  Doctor of Philosophy	In-Situ Micro-XRD measuring of micron-sale microstructures in 3D-additive manufacturing for functionally graded materials.	Ghosh, Sujan Kumer
  Doctor of Philosophy	A feasibility study of fabricating pillar-structure parts using robotic wire and arc based additive manufacturing	Yu, Ziping
  Doctor of Philosophy	Multi-sensor based system monitoring and defect indentification for wire arc additive manufacturing process	Yuxing, Li
  Doctor of Philosophy	Enhance Wire and Arc Additive Manufacturing Performance Using Artificial Intelligence	He, Fengyang
  Doctor of Philosophy	Wire Arc Additive Manufacturing of Bridge Metal Components	Hatamian, Houman
  Doctor of Philosophy	Combination of machine learning and path-planning strategy in WAAM process	Mu, Haochen
  Doctor of Philosophy	The Role of Nb in Control of Weld HAZ Mechanical Properties in High Strength Low Alloy Steels	Wang, Yangfan
  Doctor of Philosophy	Research Proposal on Arc Additive Manufacturing of Lightweight high-strength alloys	Guo, Xinpeng
  Doctor of Philosophy	Automated Additive manufacturing of welded overlay and hard-facing	Tandon, Durga
  Doctor of Philosophy	Model Simplification for Efficient Collision Detection in Robotics	Visser, Alexander

Outreach Overview

• • Program committee, IEEE International Conference on Automation Science and Engineering, CASE, Mexico City, Mexico, 20^th ~24^th Aug 2022.
  • Program committee, IEEE International Conference on Robotics and Biomimetics, ROBIO, Sanya, China, 06-09 Dec 2021.
  • Academic committee, 6^th International Conference on Robotic Welding, Intelligence and Automation,RWIA/CCRW, 26^th ~27^th Dec 2020
  • Program committee, IEEE International Conference on Robotics and Biomimetics, ROBIO Dali, Yunnan China, 06-08 Dec 2019.
  • Program committee, IEEE International Conference on Robotics and Biomimetics, ROBIO Kuala Lumpur, Malaysia, Dec 12-15, 2018.
  • Program Committee, International Conference on Robotic Welding, Intelligence and Automation, RWIA, Dec 7-10, Guangzhou China, 2018
  • Committee Chair, Advancing Materials and Manufacturing, CAMS, Wollongong, NSW, Australia. 27-29 November 2018
  • Program committee, IEEE CYBER Hawaii 01-07 August 2017.
  • Program committee, 2017 International Workshop on Intelligentized Welding Manufacturing (IWIWM’2017) June 2017
  • Program committee, IEEE International Conference on Robotics and Biomimetics, ROBIO Qingdao 03-07 Dec 2016.
  • Program committee, IEEE Workshop on Advanced Robotics and its Social Impact, ARSO Shanghai 08-10 July 2016.

Professional Service Activities

• IEEE Robotics and Automation Letters (RA-L) Associate Editor 2015 -
• IIW Technical Sub-commission XII-A: Sensor and Control for Arc welding processes and production systems Chair 2013 -

Education And Training

• Ph.D., Stevens Institute of Technology, USA 2005
• M.S. in Mechatronics, Tsinghua University, China 2000
• B.S. in Precision Instruments & Metrology, Tsinghua University, China 1998

Awards And Honors

• National Innovation Award, conferred by Pacific 2015 Maritime Exposition, 2015
• DMTC Industry Partnership Award, 2013
• DSTO Eureka Prize for Outstanding Science in Safeguarding Australia, 2013
• WTIA Chris Smallbone International Award , 2012
• DMTC Capability Improvement Award, 2012
• DMTC Early Career Award, 2010
• Best Presentation Award for RWIA 2010, 2010

Teaching Overview

• • MECH470 Advanced Topics in Mechatronics (PLC)
  • MECH482 Additive Manufacturing
  • ECTE344 Control Theory
  • ECTE441/941 Intelligent Control
  • MECH468/949 Computer Control
  • ECTE471/971 Robotic Manipulator
  • MECH215 Mechanical Design

Position Title

Preferred Title

Primary Email

• zengxi@uow.edu.au

Located In Facility

• Building 2, Room G12 

Phone

• +61 2 4221 5498

Orcid Id

• http://orcid.org/0000-0002-1788-2543

Scopus Id

• 57188690543

Top Publications

Year	Title
2015	A practical path planning methodology for wire and arc additive manufacturing of thin-walled structures Published in   Robotics and Computer Integrated Manufacturing
2018	A review of the wire arc additive manufacturing of metals: properties, defects and quality improvement Published in   Journal of Manufacturing Processes
2017	Semi-Active Chatter Reduction for Robotic Machining Using Magnetorheological Elastomers (MREs)
2014	A tool-path generation strategy for wire and arc additive manufacturing Published in   International Journal of Advanced Manufacturing Technology
2018	Effects of heat accumulation on microstructure and mechanical properties of Ti6Al4V alloy deposited by wire arc additive manufacturing Published in   Additive Manufacturing
2016	Bead modelling and implementation of adaptive MAT path in wire and arc additive manufacturing Published in   Robotics and Computer Integrated Manufacturing
2016	Learning trajectories for robot programming by demonstration using a coordinated mixture of factor analysers Published in   IEEE Transactions on Cybernetics
2016	Adaptive path planning for wire-feed additive manufacturing using medial axis transformation Published in   Journal of Cleaner Production
2018	A Review on Chatter in Robotic Machining Process Regarding Both Regenerative and Mode Coupling Mechanism Published in   IEEE-ASME Transactions on Mechatronics

Research Areas

• 0910 - MANUFACTURING ENGINEERING
• 0913 - MECHANICAL ENGINEERING

Research Overview

• Programming for industrial robots

  • Automated offline programming for complex tasks
  • Path planning and trajectory planning for High DOF robots in dynamic environment
  • Human-robot interaction
  • VR/AR assisted robot programming

  Wire Arc Additive Manufacturing (WAAM)

  • Process development, modelling and optimisation
  • Monitoring and control of WAAM process
  • Application of artificial intelligent and machine learning in WAAM
  • Skill learning and acquisition for welding
  • Material properties study of AM fabricated components
  • Intermetallics and High-entropy material development

  Industrial automation

  • Robotic manufacturing process including robotic welding, assembly, and machining
  • Robotic application in construction and architecture
  • Flexible automation and Industry 4.0 

Positions

• School of Mechanical, Materials & Mechatronics Engineering
• Faculty of Engineering and Information Sciences
• Advanced Manufacturing Technologies
• Academic Leader - Facility for Intelligent Fabrication 2018 -

Selected Publications

• Journal Article

  Year	Title
  2022	A Non-autoregressive Dynamic Model based Welding Parameter Planning Method for Varying Geometry Beads in WAAM Published In IEEE Transactions on Industrial Electronics
  2022	A defect detection system for wire arc additive manufacturing using incremental learning Published In Journal of Industrial Information Integration
  2022	Effects of synchronized magnetic arc oscillation on microstructure, texture, grain boundary and mechanical properties of wire arc additively manufactured Ti6Al4V alloy Published In Additive Manufacturing
  2022	Integration of a multi-directional wire arc additive manufacturing system with an automated process planning algorithm Published In Journal of Industrial Information Integration
  2022	Layer-by-layer model-based adaptive control for wire arc additive manufacturing of thin-wall structures Published In Journal of Intelligent Manufacturing
  2022	Low neutron cross-section FeCrVTiNi based high-entropy alloys: design, additive manufacturing and characterization Published In Microstructures
  2022	Microstructural characterisation and hardness assessment of wire arc cladded Hastelloy C276 on creep resistant steel P91 Published In Journal of Materials Research and Technology
  2022	Microstructural characterization and oxidation performance of solution-annealed and precipitation hardened wire-arc additively manufactured Inconel 718 superalloys Published In Additive Manufacturing
  2022	Microstructure and mechanical properties of ultra-high strength Al-Zn-Mg-Cu-Sc aluminum alloy fabricated by wire + arc additive manufacturing Published In Journal of Manufacturing Processes
  2022	Modelling and prediction of surface roughness in wire arc additive manufacturing using machine learning Published In Journal of Intelligent Manufacturing
  2022	Neutron diffraction residual stress determinations in titanium aluminide component fabricated using the twin wire-arc additive manufacturing Published In Journal of Manufacturing Processes
  2022	On the effect of heat input and interpass temperature on the performance of inconel 625 alloy deposited using wire arc additive manufacturing¿cold metal transfer process Published In Metals
  2022	Strut formation control and processing time optimization for wire arc additive manufacturing of lattice structures Published In Journal of Manufacturing Processes
  2022	Towards intelligent monitoring system in wire arc additive manufacturing: a surface anomaly detector on a small dataset Published In International Journal of Advanced Manufacturing Technology
  2022	Vision-based melt pool monitoring for wire-arc additive manufacturing using deep learning method Published In International Journal of Advanced Manufacturing Technology
  2021	A practical fabrication strategy for wire arc additive manufacturing of metallic parts with wire structures Published In International Journal of Advanced Manufacturing Technology
  2021	A shape control strategy for wire arc additive manufacturing of thin-walled aluminium structures with sharp corners Published In Journal of Manufacturing Processes
  2021	A strut-based process planning method for wire arc additive manufacturing of lattice structures Published In Journal of Manufacturing Processes
  2021	Application of wire arc additive manufacturing for repair of Monel alloy components Published In Australian Journal of Mechanical Engineering
  2021	Comparative study on crystallographic orientation, precipitation, phase transformation and mechanical response of Ni-rich NiTi alloy fabricated by WAAM at elevated substrate heating temperatures Published In Materials Science and Engineering A
  2021	Effect of the post-production heat treatment on phase evolution in the Fe3Ni¿FeNi functionally graded material: An in-situ neutron diffraction study Published In Intermetallics
  2021	Fabrication of metallic parts with overhanging structures using the robotic wire arc additive manufacturing Published In Journal of Manufacturing Processes
  2021	High-temperature oxidation performance of wire-arc additively manufactured Inconel 718 superalloys Published In Materials Science and Technology (United Kingdom)
  2021	Modification and characterization of the Al concentration induced precipitate in the Fe3Al-based iron aluminide fabricated using the wire-arc additive manufacturing process Published In MATERIALS CHARACTERIZATION
  2021	OICP: An online fast registration algorithm based on rigid translation applied to wire arc additive manufacturing of mold repair Published In Materials
  2021	On the development of pseudo-eutectic AlCoCrFeNi2.1 high entropy alloy using Powder-bed Arc Additive Manufacturing (PAAM) process Published In Materials Science and Engineering A
  2021	Robotic skeleton arc additive manufacturing of aluminium alloy Published In International Journal of Advanced Manufacturing Technology
  2021	The first step towards intelligent wire arc additive manufacturing: An automatic bead modelling system using machine learning through industrial information integration Published In Journal of Industrial Information Integration
  2021	The well-distributed volumetric heat source model for numerical simulation of wire arc additive manufacturing process Published In Materials Today Communications
  2021	WAAM process for metal block structure parts based on mixed heat input Published In International Journal of Advanced Manufacturing Technology
  2020	A combination of keyhole GTAW with a trapezoidal interlayer: A new insight into armour steel welding Published In Materials
  2020	An overview on TiFe intermetallic for solid-state hydrogen storage: microstructure, hydrogenation and fabrication processes Published In Critical Reviews in Solid State and Materials Sciences
  2020	Comparative effect of Mn/Ti solute atoms and TiC/Ni 3 (Al,Ti) nano-particles on work hardening behaviour in Ni–Cu alloys fabricated by wire arc additive manufacturing Published In Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing
  2020	Corrigendum to ¿Location dependence of microstructure, phase transformation temperature and mechanical properties on Ni-rich NiTi alloy fabricated by wire arc additive manufacturing¿. [Mater. Sci. Eng. A 749 (2019) 218¿222](S0921509319301911)(10.1016/j.msea.2019.02.029) Published In Materials Science and Engineering A
  2020	Effect of heat input on weld formation and tensile properties in keyhole mode TIG welding process Published In Metals
  2020	Improving the weld microstructure and material properties of K-TIG welded armour steel joint using filler material Published In International Journal of Advanced Manufacturing Technology
  2020	In-situ neutron diffraction characterization on the phase evolution of y-TiAl alloy during the wire-arc additive manufacturing process Published In Journal of Alloys and Compounds
  2020	Introduction of ternary alloying element in wire arc additive manufacturing of titanium aluminide intermetallic Published In Additive Manufacturing
  2020	Location dependence of microstructure and mechanical properties of Cu-Al alloy fabricated by dual wire CMT Published In Materials Research Express
  2020	Location dependence of microstructure, phase transformation temperature and mechanical properties on Ni-rich NiTi alloy fabricated by wire arc additive manufacturing Published In Journal of Materials Science and Engineering A
  2020	Microstructural characterization and mechanical properties of K-TIG welded SAF2205/AISI316L dissimilar joint Published In Journal of Manufacturing Processes
  2020	Mitigation of thermal distortion in wire arc additively manufactured Ti6Al4V part using active interpass cooling Published In Science and Technology of Welding and Joining
  2020	Mode coupling chatter prediction and avoidance in robotic machining process Published In International Journal of Advanced Manufacturing Technology
  2020	Mode coupling chatter suppression for robotic machining using semi-active magnetorheological elastomers absorber Published In Mechanical Systems and Signal Processing
  2020	Neutron diffraction residual stress determinations in Fe3Al based iron aluminide components fabricated using wire-arc additive manufacturing (WAAM) Published In Additive Manufacturing
  2020	Phase constituent control and correlated properties of titanium aluminide intermetallic alloys through dual-wire arc additive manufacturing Published In Materials Letters
  2020	Precipitation strengthening in Ni–Cu alloys fabricated using wire arc additive manufacturing technology Published In Metals
  2020	A review on wire arc additive manufacturing: Monitoring, control and a framework of automated system Published In Journal of Manufacturing Systems
  2020	Application of multidirectional robotic wire arc additive manufacturing process for the fabrication of complex metallic parts Published In IEEE Transactions on Industrial Informatics
  2020	Dynamic modeling of weld bead geometry features in thick plate GMAW based on machine vision and learning Published In Sensors (Switzerland)
  2020	Effect of Magnetic Arc Oscillation on the geometry of single-pass multi-layer walls and the process stability in wire and arc additive manufacturing Published In Journal of Materials Processing Technology
  2020	Effect of post-weld heat treatment on microstructure and mechanical properties of deep penetration autogenous TIG-welded dissimilar joint between creep strength enhanced ferritic steel and austenitic stainless steel Published In International Journal of Advanced Manufacturing Technology
  2020	Enhanced interface strength in steel-nickel bimetallic component fabricated using wire arc additive manufacturing with interweaving deposition strategy Published In Journal of Materials Science and Technology
  2020	Evolution of crystallographic orientation, precipitation, phase transformation and mechanical properties realized by enhancing deposition current for dual-wire arc additive manufactured Ni-rich NiTi alloy Published In Additive Manufacturing
  2020	Fabrication of FeNi intermetallic using the wire-arc additive manufacturing process: A feasibility and neutron diffraction phase characterization study Published In Journal of Manufacturing Processes
  2020	In-Situ Fabrication of Titanium Iron Intermetallic Compound by the Wire Arc Additive Manufacturing Process Published In Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
  2020	In-situ dual wire arc additive manufacturing of NiTi-coating on Ti6Al4V alloys: Microstructure characterization and mechanical properties Published In Surface and Coatings Technology
  2020	In-situ neutron diffraction study on the high temperature thermal phase evolution of wire-arc additively manufactured Ni53Ti47 binary alloy Published In Journal of Alloys and Compounds
  2020	Investigation of humping phenomenon for the multi-directional robotic wire and arc additive manufacturing Published In Robotics and Computer-Integrated Manufacturing
  2020	Microstructural evolution and mechanical properties of deep cryogenic treated Cu–Al–Si alloy fabricated by Cold Metal Transfer (CMT) process Published In Materials Characterization
  2020	Model predictive control of layer width in wire arc additive manufacturing Published In Journal of Manufacturing Processes
  2020	Model-free adaptive iterative learning control of melt pool width in wire arc additive manufacturing Published In International Journal of Advanced Manufacturing Technology
  2020	Thermal induced phase evolution of Fe¿Fe3Ni functionally graded material fabricated using the wire-arc additive manufacturing process: An in-situ neutron diffraction study Published In Journal of Alloys and Compounds
  2020	Vision based defects detection for Keyhole TIG welding using deep learning with visual explanation Published In Journal of Manufacturing Processes
  2020	Wire arc additive manufacturing of Ti6AL4V using active interpass cooling Published In Materials and Manufacturing Processes
  2019	A combination of keyhole GTAW with a trapezoidal interlayer: A new insight into armour steel welding Published In Materials
  2019	An overview on TiFe intermetallic for solid-state hydrogen storage: microstructure, hydrogenation and fabrication processes Published In Critical Reviews in Solid State and Materials Sciences
  2019	Comparative effect of Mn/Ti solute atoms and TiC/Ni 3 (Al,Ti) nano-particles on work hardening behaviour in Ni–Cu alloys fabricated by wire arc additive manufacturing Published In Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing
  2019	Corrigendum to ¿Location dependence of microstructure, phase transformation temperature and mechanical properties on Ni-rich NiTi alloy fabricated by wire arc additive manufacturing¿. [Mater. Sci. Eng. A 749 (2019) 218¿222](S0921509319301911)(10.1016/j.msea.2019.02.029) Published In Materials Science and Engineering A
  2019	Effect of heat input on weld formation and tensile properties in keyhole mode TIG welding process Published In Metals
  2019	Improving the weld microstructure and material properties of K-TIG welded armour steel joint using filler material Published In International Journal of Advanced Manufacturing Technology
  2019	In-situ neutron diffraction characterization on the phase evolution of y-TiAl alloy during the wire-arc additive manufacturing process Published In Journal of Alloys and Compounds
  2019	Introduction of ternary alloying element in wire arc additive manufacturing of titanium aluminide intermetallic Published In Additive Manufacturing
  2019	Location dependence of microstructure and mechanical properties of Cu-Al alloy fabricated by dual wire CMT Published In Materials Research Express
  2019	Location dependence of microstructure, phase transformation temperature and mechanical properties on Ni-rich NiTi alloy fabricated by wire arc additive manufacturing Published In Journal of Materials Science and Engineering A
  2019	Microstructural characterization and mechanical properties of K-TIG welded SAF2205/AISI316L dissimilar joint Published In Journal of Manufacturing Processes
  2019	Mitigation of thermal distortion in wire arc additively manufactured Ti6Al4V part using active interpass cooling Published In Science and Technology of Welding and Joining
  2019	Mode coupling chatter prediction and avoidance in robotic machining process Published In International Journal of Advanced Manufacturing Technology
  2019	Mode coupling chatter suppression for robotic machining using semi-active magnetorheological elastomers absorber Published In Mechanical Systems and Signal Processing
  2019	Neutron diffraction residual stress determinations in Fe3Al based iron aluminide components fabricated using wire-arc additive manufacturing (WAAM) Published In Additive Manufacturing
  2019	Phase constituent control and correlated properties of titanium aluminide intermetallic alloys through dual-wire arc additive manufacturing Published In Materials Letters
  2019	Precipitation strengthening in Ni–Cu alloys fabricated using wire arc additive manufacturing technology Published In Metals
  2018	A Review on Chatter in Robotic Machining Process Regarding Both Regenerative and Mode Coupling Mechanism Published In IEEE-ASME Transactions on Mechatronics
  2018	A review of slicing methods for directed energy deposition based additive manufacturing Published In Rapid Prototyping Journal
  2018	A review of the wire arc additive manufacturing of metals: properties, defects and quality improvement Published In Journal of Manufacturing Processes
  2018	Characterization of wire arc additively manufactured titanium aluminide functionally graded material: Microstructure, mechanical properties and oxidation behaviour Published In Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing
  2018	Effect of chemical composition on microstructure, strength and wear resistance of wire deposited Ni-Cu alloys Published In Additive Manufacturing
  2018	Effects of heat accumulation on microstructure and mechanical properties of Ti6Al4V alloy deposited by wire arc additive manufacturing Published In Additive Manufacturing
  2018	Influences of postproduction heat treatment on Fe3Al-based iron aluminide fabricated using the wire-arc additive manufacturing process Published In International Journal of Advanced Manufacturing Technology
  2018	Investigation into the viability of K-TIG for joining armour grade quenched and tempered steel Published In Journal of Manufacturing Processes
  2018	The anisotropic corrosion behaviour of wire arc additive manufactured Ti-6Al-4V alloy in 3.5% NaCl solution Published In Corrosion Science
  2018	The effects of forced interpass cooling on the material properties of wire arc additively manufactured Ti6Al4V alloy Published In Journal of Materials Processing Technology
  2018	The influence of post-production heat treatment on the multi-directional properties of nickel-aluminum bronze alloy fabricated using wire-arc additive manufacturing process Published In Additive Manufacturing
  2018	Thermal cycling of Fe3Al based iron aluminide during the wire-arc additive manufacturing process: An in-situ neutron diffraction study Published In Intermetallics
  2017	Adaptive Partial Shortcuts: Path Optimization for Industrial Robotics Published In Journal of Intelligent and Robotic Systems: theory and applications
  2017	Effects of heat accumulation on the arc characteristics and metal transfer behavior in Wire Arc Additive Manufacturing of Ti6Al4V Published In Journal of Materials Processing Technology
  2017	Fabrication of Copper-Rich Cu-Al Alloy Using the Wire-Arc Additive Manufacturing Process Published In Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
  2017	Influences of deposition current and interpass temperature to the Fe3Al-based iron aluminide fabricated using wire-arc additive manufacturing process Published In International Journal of Advanced Manufacturing Technology
  2016	Adaptive path planning for wire-feed additive manufacturing using medial axis transformation Published In Journal of Cleaner Production
  2016	Automatic multi-direction slicing algorithms for wire based additive manufacturing Published In Robotics and Computer Integrated Manufacturing
  2016	Bead modelling and implementation of adaptive MAT path in wire and arc additive manufacturing Published In Robotics and Computer Integrated Manufacturing
  2016	Fabricating superior NiAl bronze components through wire arc additive manufacturing Published In Materials
  2016	Fabrication of Fe-FeAl Functionally Graded Material Using the Wire-Arc Additive Manufacturing Process Published In Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
  2016	In-depth study of the mechanical properties for Fe3Al based iron aluminide fabricated using the wire-arc additive manufacturing process Published In Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing
  2016	Learning trajectories for robot programming by demonstration using a coordinated mixture of factor analysers Published In IEEE Transactions on Cybernetics
  2016	Neutron Optics Upgrades to the Residual Stress Diffractometer, KOWARI Published In Materials Research Proceedings
  2016	The effect of postproduction heat treatment on γ-TiAl alloys produced by the GTAW-based additive manufacturing process Published In Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing
  2016	Towards an automated robotic arc-welding-based additive manufacturing system from CAD to finished part Published In Computer Aided Design
  2015	A multi-bead overlapping model for robotic wire and arc additive manufacturing (WAAM) Published In Robotics and Computer Integrated Manufacturing
  2015	A practical path planning methodology for wire and arc additive manufacturing of thin-walled structures Published In Robotics and Computer Integrated Manufacturing
  2015	Effect of interpass temperature on in-situ alloying and additive manufacturing of titanium aluminides using gas tungsten arc welding Published In Additive Manufacturing
  2015	Fabrication of iron-rich Fe-Al intermetallics using the wire-arc additive manufacturing process Published In Additive Manufacturing
  2015	Recognizing human motions through mixture modeling of inertial data Published In Pattern Recognition
  2015	The effect of location on the microstructure and mechanical properties of titanium aluminides produced by additive layer manufacturing using in-situ alloying and gas tungsten arc welding Published In Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing
  2015	Wire-feed additive manufacturing of metal components: technologies, developments and future interests Published In International Journal of Advanced Manufacturing Technology
  2014	A tool-path generation strategy for wire and arc additive manufacturing Published In International Journal of Advanced Manufacturing Technology
  2014	Characterization of in-situ alloyed and additively manufactured titanium aluminides Published In Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
  2014	Effects of wire feed conditions on in situ alloying and additive layer manufacturing of titanium aluminides using gas tungsten arc welding Published In Journal of Materials Research
  2014	Feasibility study of low force robotic friction stir process and its effect on cavitation erosion and electrochemical corrosion for Ni Al bronze alloys Published In Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
  2014	Neutron diffraction residual stress measurements of welds made with pulsed tandem gas metal arc welding (PT-GMAW) Published In Powder Diffraction
  2013	Development of safe optimized welding procedures for high strength Q&T steel welded with austenitic consumables Published In Revista Soldagem and Inspecao
  2013	Path Planning with a Lazy Significant Edge Algorithm (LSEA) Published In International Journal of Advanced Robotic Systems
  2012	Automated offline programming for robotic welding system with high degree of freedoms Published In Lecture Notes in Electrical Engineering
  2012	Bringing path planning and lean automation together Published In Advanced Materials Research
  2012	Investigation into feasibility of hybrid laser-GMAW process for welding high strength quenched and tempered steel Published In Australasian Welding Journal
  2012	Recent progress on programming methods for industrial robots Published In Robotics and Computer Integrated Manufacturing
  2011	Automated assembly of ship panels using an integrated robotic tool Published In Advanced Materials Research
  2011	Human motion capture sensors and analysis in robotics Published In Industrial Robot
  2011	Tandem gas metal arc welding for low distortion butt welds Published In Advanced Materials Research
  2008	Robotic machining from programming to process control: a complete solution by force control Published In Industrial Robot
  2003	Miniature pipe robots Published In Industrial Robot

• Chapter

  Year	Title
  2022	Application of Wire Arc Additive Manufacturing for Inconel 718 Superalloy Published In Materials, Structures and Manufacturing for Aircraft Publisher Springer International Publishing
  2020	Thermal Behavior in Wire Arc Additive Manufacturing: Characteristics, Effects and Control Published In Transactions on Intelligent Welding Manufacturing Publisher Springer Singapore
  2020	Effects of Deposition Current on the Microstructure and Pseudoelasticity of Wire-Arc Additively Manufactured Ni-rich NiTi Alloys Published In Advances in Intelligent Systems and Computing Publisher Springer International Publishing
  2020	Mask R-CNN-Based Welding Image Object Detection and Dynamic Modelling for WAAM Published In Transactions on Intelligent Welding Manufacturing Publisher Springer Singapore
  2019	Thermal Behavior in Wire Arc Additive Manufacturing: Characteristics, Effects and Control Published In Transactions on Intelligent Welding Manufacturing Publisher Springer Singapore
  2018	Arc Welding Processes for Additive Manufacturing: A Review Published In Transactions on Intelligent Welding Manufacturing Publisher SPRINGER-VERLAG SINGAPORE PTE LTD
  2018	Arc Welding Processes for Additive Manufacturing: A Review Published In Transactions on Intelligent Welding Manufacturing Publisher Springer Singapore
  2018	Automated Programming for Robotic Welding Published In Transactions on Intelligent Welding Manufacturing Publisher SPRINGER-VERLAG SINGAPORE PTE LTD
  2018	Automated Programming for Robotic Welding Published In Transactions on Intelligent Welding Manufacturing Publisher Springer Singapore
  2016	Advanced Design for Additive Manufacturing: 3D Slicing and 2D Path Planning Published In New Trends in 3D Printing Publisher InTech
  2016	Effect of Post Production Heat Treatment on ?-Tial Alloys Produced by Gtaw- Based Additive Manufacturing Process Published In Proceedings of the 13th World Conference on Titanium Publisher John Wiley & Sons, Inc.
  2015	Process planning strategy for wire and ARC additive manufacturing Published In Robotic Welding, Intelligence and Automation Publisher Switzerland
  2011	Offline programming for a complex welding system using DELMIA automation Published In Robotic Welding, Intelligence and Automation: RWIA'2010 Publisher Berlin
  2007	Machining with Flexible Manipulators: Critical Issues and Solutions Published In Industrial Robotics: Programming, Simulation and Applications

• Conference Paper

  Year	Title
  2021	MIMO Model Predictive Control of Bead Geometry in Wire Arc Additive Manufacturing Published In 2021 IEEE 11th Annual International Conference on CYBER Technology in Automation, Control, and Intelligent Systems, CYBER 2021
  2021	Sphere sets from point clouds for efficient collision detection in robot motion planning Published In 2021 IEEE 11th Annual International Conference on CYBER Technology in Automation, Control, and Intelligent Systems, CYBER 2021
  2020	Automatic Rebar Counting using Image Processing and Machine Learning Published In 9th IEEE International Conference on Cyber Technology in Automation, Control and Intelligent Systems, CYBER 2019
  2020	Automatic Rebar Counting using Image Processing and Machine Learning **Research supported by University of Wollongong
  2020	The Strategy for Fabricating Wire-Structure Parts Using Robotic Skeleton Arc Additive Manufacturing Published In 9th IEEE International Conference on Cyber Technology in Automation, Control and Intelligent Systems, CYBER 2019
  2020	The Strategy for Fabricating Wire-Structure Parts Using Robotic Skeleton Arc Additive Manufacturing**Researah supported by University of Wollongong.
  2020	Multi-direction slicing of STL models for robotic wire-feed additive manufacturing Published In Proceedings - 26th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference, SFF 2015
  2019	Automatic Rebar Counting using Image Processing and Machine Learning Published In 9th IEEE International Conference on Cyber Technology in Automation, Control and Intelligent Systems, CYBER 2019
  2019	Automatic Rebar Counting using Image Processing and Machine Learning **Research supported by University of Wollongong
  2019	The Strategy for Fabricating Wire-Structure Parts Using Robotic Skeleton Arc Additive Manufacturing Published In 9th IEEE International Conference on Cyber Technology in Automation, Control and Intelligent Systems, CYBER 2019
  2019	The Strategy for Fabricating Wire-Structure Parts Using Robotic Skeleton Arc Additive Manufacturing**Researah supported by University of Wollongong.
  2018	Task Space Motion Planning Decomposition Published In Proceedings - IEEE International Conference on Robotics and Automation
  2017	Automatic Weld Path Generation for Mesh Objects Published In 2017 IEEE 7th Annual International Conference on CYBER Technology in Automation, Control, and Intelligent Systems (CYBER)
  2017	Semi-Active Chatter Reduction for Robotic Machining Using Magnetorheological Elastomers (MREs) Published In 2017 IEEE 7th Annual International Conference on CYBER Technology in Automation, Control, and Intelligent Systems, CYBER 2017
  2016	Automatic program generation for welding robots from CAD Published In 2016 IEEE International Conference on Advanced Intelligent Mechatronics (AIM)
  2016	Recent progress on sampling based dynamic motion planning algorithms Published In 2016 IEEE International Conference on Advanced Intelligent Mechatronics (AIM)
  2015	Bounding sphere CAD model simplification for efficient collision detection in offline programming Published In 2015 IEEE International Conference on Cyber Technology in Automation, Control and Intelligent Systems, IEEE-CYBER 2015
  2015	Process planning for robotic wire and arc additive manufacturing Published In PROCEEDINGS OF THE 2015 10TH IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS
  2015	Process planning for robotic wire and arc additive manufacturing Published In Proceedings of the 2015 10th IEEE Conference on Industrial Electronics and Applications, ICIEA 2015
  2015	Process planning strategy for wire and ARC additive manufacturing Published In Advances in Intelligent Systems and Computing
  2013	3D mapping using a ToF camera for self programming an industrial robot Published In 2013 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM)
  2013	Inertial sensing for human motor control symmetry in injury rehabilitation Published In 2013 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM)
  2013	Path planning for industrial robots; Lazy Significant Edge Algorithm (LSEA) Published In 2013 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM)
  2011	Development of a DC-LSND welding process for GMAW on DH-36 Steel Published In 56th WTIA annual conference 2011
  2011	Feasibility of the laser hybrid process for welding high strength Q&T steel Published In 6th Asian Pacific IIW International Congress and 56th WTIA Annual Conference including future leaders forum
  2011	Offline programming for short batch robotic welding Published In 16th Joining of Materials (JOM) conference 2012
  2010	Recent progress on programming methods for industrial robots Published In Joint 41st International Symposium on Robotics and 6th German Conference on Robotics 2010, ISR/ROBOTIK 2010
  2009	Autonomous blimp control using reinforcement learning Published In ICCAS-SICE International Joint Conference
  2009	Control of autonomous airship Published In IEEE International Conference on Robotics and Biomimetics
  2009	Improving robotic machining accuracy by real-time compensation Published In ICCAS-SICE International Joint Conference
  2009	Motion capture in robotics review Published In IEEE International Conference on Control and Automation
  2009	Q-learning algorithm for navigation control of autonomous blimp Published In Australasian Conference on Robotics and Automation
  2008	Mixture Model Segmentation for Gait Recognition Published In Symposium on Learning and Adaptive Behaviour in Robotic Systems
  2008	Motion segmentation for humanoid control planning Published In Australasian Conference on Robotics and Automation
  2008	Robotic Machining from Programming to Process Control Published In World Congress on Intelligent Control and Automation
  2008	Robotic Machining: Material Removal Rate Control with a Flexible Manipulator Published In International Conference on Robotics, Automation and Mechatronics
  2007	Adaptive force control for robotic machining process Published In Proceedings of the American Control Conference
  2007	Adaptive force control for robotic machining process Published In 2007 AMERICAN CONTROL CONFERENCE, VOLS 1-13
  2007	Analysis and suppression of chatter in robotic machining process Published In 2007 INTERNATIONAL CONFERENCE ON CONTROL, AUTOMATION AND SYSTEMS, VOLS 1-6
  2007	Analysis and suppression of chatter in robotic machining process Published In ICCAS 2007: International Conference on Control, Automation and Systems
  2007	Empirical modelling of human gaits for biped robots Published In Australasian Conference on Robotics and Automation
  2007	Robotic polishing for complex contoured parts Published In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON MECHANICAL ENGINEERING AND MECHANICS 2007, VOLS 1 AND 2
  2007	Robotic programming for manufacturing industry Published In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON MECHANICAL ENGINEERING AND MECHANICS 2007, VOLS 1 AND 2
  2003	A Flexible Full-Body Tactile Sensor of Low Cost and Minimal Connections

Investigator On

Year	Title
2020 - 2023	Analysis and solutions of pipeline girth weld failure under the longitudinal stress due to strength mis-matching Awarded by: Baosteel-Australia Joint Research and Development Centre Funding Scheme: R&D Fund
2014	Automated off-line programming of industrial robot for the manufacture of tilt trays Awarded by: Enterprise Connect Funding Scheme: Researchers in Business

Other Research Activities

• DMTC 5.51 Wire Arc Additive Manufacturing for Aerospace Aluminium Components Project Leader 2018 - 2021
• DMTC 9.12: Additive Manufacturing for Ship Components Project Leader 2015 - 2020
• Lysaght, Loading and logistic optimisation Project Leader 2018 - 2019
• RMCRC project R2-3-3 UGL Bogie Frame Advanced Manufacturing Project Leader 2016 - 2019
• Automated welding processes for stainless steel drainage products Project Leader 2017 - 2018
• DMTC 3.22 Advanced Welding Solutions for high strength steels Researcher 2017 - 2018
• DMTC 9.11 Low distortion welding processes scoping study Researcher 2017 - 2018
• DMTC 6.30: Automated Manufacturing of Next Generation Armoured Vehicle Project Leader 2015 - 2018
• UOW Global Challenge Strategic Fund: Robotic Fabrication in Architecture and Arts Project Leader 2016
• Ekebol: automated offline programming of robots for the manufacture of tilt trays Researcher 2014 - 2015

Potential Supervision Topics

• 1. High speed video analysis for welding
  2. RobotStudio assembly demo
  3. Water tank PID control
  4. Modula robotic lab
  5. ROS study for robotics lab
  6. Automated stock counting using computer vision
  7. Industry 4.0 and Australia manufacturing industry.
  8. 3D printing using industrial robot
  9. Design optimisation for WAAM
  10. Distortion simulation for WAAM
  11. Vision control for TIG based Additive manufacturing
  12. Bead modelling for WAAM process
  13. Weld data analysis through pattern recognition
  14. Development of a control system for WAAM process
  15. Advanced penetration control for K-TIG welding
  16. Additive manufacturing for Arts using WAAM ,Programming for single droplet transfer.
  17. 3D reverse engineering, Faro sensor + repair

Advisees

• Graduate Advising Relationship

  Degree	Research Title	Advisee
  Doctor of Philosophy	The Study of Fabricating Cu-Al Alloy via Wire-Arc Additive Manufacturing	Dong, Bosheng
  Doctor of Philosophy	Wire Arc Additive Manufacturing: Hardfacing of Armour Steel	Ning, Yimiao
  Doctor of Philosophy	Automated Assembly for Rolling Stock Fabrication in Rail Industry	Vu, Trong Thien
  Doctor of Philosophy	In-Situ Micro-XRD measuring of micron-sale microstructures in 3D-additive manufacturing for functionally graded materials.	Ghosh, Sujan Kumer
  Doctor of Philosophy	A feasibility study of fabricating pillar-structure parts using robotic wire and arc based additive manufacturing	Yu, Ziping
  Doctor of Philosophy	Multi-sensor based system monitoring and defect indentification for wire arc additive manufacturing process	Yuxing, Li
  Doctor of Philosophy	Enhance Wire and Arc Additive Manufacturing Performance Using Artificial Intelligence	He, Fengyang
  Doctor of Philosophy	Wire Arc Additive Manufacturing of Bridge Metal Components	Hatamian, Houman
  Doctor of Philosophy	Combination of machine learning and path-planning strategy in WAAM process	Mu, Haochen
  Doctor of Philosophy	The Role of Nb in Control of Weld HAZ Mechanical Properties in High Strength Low Alloy Steels	Wang, Yangfan
  Doctor of Philosophy	Research Proposal on Arc Additive Manufacturing of Lightweight high-strength alloys	Guo, Xinpeng
  Doctor of Philosophy	Automated Additive manufacturing of welded overlay and hard-facing	Tandon, Durga
  Doctor of Philosophy	Model Simplification for Efficient Collision Detection in Robotics	Visser, Alexander

Outreach Overview

• • Program committee, IEEE International Conference on Automation Science and Engineering, CASE, Mexico City, Mexico, 20^th ~24^th Aug 2022.
  • Program committee, IEEE International Conference on Robotics and Biomimetics, ROBIO, Sanya, China, 06-09 Dec 2021.
  • Academic committee, 6^th International Conference on Robotic Welding, Intelligence and Automation,RWIA/CCRW, 26^th ~27^th Dec 2020
  • Program committee, IEEE International Conference on Robotics and Biomimetics, ROBIO Dali, Yunnan China, 06-08 Dec 2019.
  • Program committee, IEEE International Conference on Robotics and Biomimetics, ROBIO Kuala Lumpur, Malaysia, Dec 12-15, 2018.
  • Program Committee, International Conference on Robotic Welding, Intelligence and Automation, RWIA, Dec 7-10, Guangzhou China, 2018
  • Committee Chair, Advancing Materials and Manufacturing, CAMS, Wollongong, NSW, Australia. 27-29 November 2018
  • Program committee, IEEE CYBER Hawaii 01-07 August 2017.
  • Program committee, 2017 International Workshop on Intelligentized Welding Manufacturing (IWIWM’2017) June 2017
  • Program committee, IEEE International Conference on Robotics and Biomimetics, ROBIO Qingdao 03-07 Dec 2016.
  • Program committee, IEEE Workshop on Advanced Robotics and its Social Impact, ARSO Shanghai 08-10 July 2016.

Professional Service Activities

• IEEE Robotics and Automation Letters (RA-L) Associate Editor 2015 -
• IIW Technical Sub-commission XII-A: Sensor and Control for Arc welding processes and production systems Chair 2013 -

Education And Training

• Ph.D., Stevens Institute of Technology, USA 2005
• M.S. in Mechatronics, Tsinghua University, China 2000
• B.S. in Precision Instruments & Metrology, Tsinghua University, China 1998

Awards And Honors

• National Innovation Award, conferred by Pacific 2015 Maritime Exposition, 2015
• DMTC Industry Partnership Award, 2013
• DSTO Eureka Prize for Outstanding Science in Safeguarding Australia, 2013
• WTIA Chris Smallbone International Award , 2012
• DMTC Capability Improvement Award, 2012
• DMTC Early Career Award, 2010
• Best Presentation Award for RWIA 2010, 2010

Teaching Overview

• • MECH470 Advanced Topics in Mechatronics (PLC)
  • MECH482 Additive Manufacturing
  • ECTE344 Control Theory
  • ECTE441/941 Intelligent Control
  • MECH468/949 Computer Control
  • ECTE471/971 Robotic Manipulator
  • MECH215 Mechanical Design

Position Title

Preferred Title

Primary Email

• zengxi@uow.edu.au

Located In Facility

• Building 2, Room G12 

Phone

• +61 2 4221 5498

Orcid Id

• http://orcid.org/0000-0002-1788-2543

Scopus Id

• 57188690543