Current Members

B.S., Department of Mechatronics Engineering, Hanoi University of Science and Technology, Hanoi, Vietnam

M.S., Department of Mechatronics Engineering, Hanoi University of Science and Technology, Hanoi, Vietnam

Ph.D., Department of Mechanical Engineering, National Cheng Kung University, Tainan, Taiwan.

Nationality: Vietnam

Research Topic: Control of Networked Mobile Manipulators

Publications: 

• Van-Tam Ngo and Yen-Chen Liu, “Object Transportation Using Networked Mobile Manipulators without Force/Torque Sensors,” International Automatic Control Conference (CACS), Taoyuan, Taiwan, Nov. 2018.

• Van Tam Ngo and Yen-Chen Liu, “Task-Space Consensus Control and Fault Detection for Networked Robotic Manipulators,” International Automatic Control Conference (CACS), Keelung, Taiwan, Nov. 2019.

• Van Tam Ngo and Yen-Chen Liu, “Object Transportation with Force-Sensorless Control and Event-Triggered Synchronization for Networked Uncertain Manipulators,” IEEE Transactions on Industrial Electronics, accepted, 2020.

• Van-Tam Ngo and Yen-Chen Liu, “Distributed Task-Space Consensus Control of Networked Euler-Lagrange Systems Under Faulty Actuator and Switching Communication Topology,” IEEE Conference on Decision and Control (CDC), accepted, 2020. 

• Van-Tam Ngo and Yen-Chen Liu, “Task-Space Consensus of Networked Euler-Lagrange Systems to A Moving Leader,” IEEE International Conference on Systems, Man, and Cybernetics (SMC), accepted, 2020. 

• Van Tam Ngo and Yen-Chen Liu, “Event-Based Communication and Control for Task-Space Consensus of Networked Euler-Lagrange Systems,” IEEE Transactions on Control of Network Systems, accepted, 2020.

• Van-Tam Ngo and Yen-Chen Liu, “Human-in-the-Loop Task-Space Coordination Control for Heterogeneous Robotic Systems with Delayed Network,” American Control Conference (ACC), accepted, 2021. 

• Van Tam Ngo and Yen-Chen Liu, “Human-Robot Coordination Control for Heterogeneous Euler-Lagrange Systems under Communication Delays and Relative Position,” IEEE Transactions on Industrial Electronics, accepted.

• Van-Tam Ngo and Yen-Chen Liu, " On Tracking Control of Robot Manipulator with Flexible Joints in Operational Space, " 22nd IF AC World Congress, Yokohama, Japan, Jul. 2023.

Awards:

• Best Paper Award – Gold Prize, International Automatic Control Conference (CACS), 2018.

• Doctoral Dissertation Award, Chinese Automatic Control Society (CACS), 2021.

B.S., Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, Taiwan

Nationality: Taiwan

Research Topic: Human-Swarm Interaction for Aerial Robots

Publications: 

• Kai-Yuan Liu and Yen-Chen Liu, “Distributed PI Consensus with Time-Varying Delay in Bilateral Teleoperated Multi-Agent Systems,” International Automatic Control Conference (CACS), Keelung, Taiwan, Nov. 2019.

• Kai-Yuan Liu and Yen-Chen Liu, “Distributed Estimated in Weight-Unbalanced Directed Graphs,” International Automatic Control Conference (CACS), Keelung, Taiwan, Nov. 2021.

• Kai-Yuan Liu, Tatsuya Ibuki, and Yen-Chen Liu, "Safe Bilateral Teleoperation for a UAV Using Control Barrier Functions and Passivity," IEEE International Conference on Systems, Man, and Cybernetics (SMC), Maui, Hawaii, USA, Oct. 2023.

Awards:

B.S., Department of Mechatronics Engineering, SRM University, Chennai, India

M.S., Department of Aerospace Engineering, University of Petroleum and Energy Studies, Dehradun, India

Nationality: India

Research Topic: Containment and Coverage Control for Multi-Agent Systems

Publications: 

• Mourya Thummalapeta and Yen-Chen Liu, "Survey of Containment Control in Multiagent Systems: Concepts, Communication, Dynamics, and Control," International Journal of Systems Science, Vol. 54, No. 14, pp. 2809-2835, Aug. 2023.

• Mourya Thummalapeta, Sheng-Wen Chen, and Yen-Chen Liu, "Importance- Based Distributed Persistent Coverage Strategy over Environmental Hotspots using Quadrotors: Algorithm and Experiments," Journal of the Franklin Institute, accepted, Dec. 2023.

• Mourya Thummalapeta and Yen-Chen Liu, “Potential Energy Functions based Containment Control for Multiple Aerial Vehicle Systems,” International Automatic Control Conference (CACS), Hsinchu, Taiwan, Nov. 2020.

• Mourya Thummalapeta and Yen-Chen Liu, “Comprehensive Analysis of Containment Control in Multiagent Systems” International Automatic Control Conference (CACS), Hsinchu, Taiwan, Nov. 2021.

• Mourya Thummalapeta, Sheng-Wen Chen, and Yen-Chen Liu, "Priority-based Persistent Coverage over Disastrous Environments using Quadrotors," International Conference on Advanced Robotics and Intelligent Systems (ARIS), Taipei, Taiwan, Aug. 2022.

• Mourya Thummalapeta and Yen-Chen Liu, " Distributed Persistent Coverage Control over Importance-based Environments with Quadrotors," 22nd IFAC World Congress, Yokohama, Japan, Jul. 2023.

• Jue-Rong Fan, Mourya Thummalapeta, and Yen-Chen Liu, "Energy-Constrained Persistent Coverage Control on Multi-Quadrotor Systems," the 23rd International Conference on Control, Automation and Systems (ICCAS), Yeosu, Korea, Oct. 2023.

Awards

• Excellent Doctoral Student Award, Grand Review Doctoral and Postdoctoral Research Academic Competition, National Cheng Kung University (NCKU), 2023.

B.S., Department of Mechanical Engineering, Amirkabir University of Technology, Tehran, Iran

M.S., Department of Mechanical Engineering, Amirkabir University of Technology, Tehran, Iran

Nationality: Iran

Research Topic: Collective Dynamic Modeling on Mixture Agents

Publications: 

• Yen-Chen Liu, Alireza Jafari, Jae Kun Shim, and Derek A. Paley, "Dynamic Modeling and Simulation of Electric Scooter Interactions with a Pedestrian Crowd Using a Social Force Model," IEEE Transactions on Intelligent Transportation Systems, Vol. 23, No. 9, pp. 16448-16461, Sep. 2022.

• Alireza Jafari and Yen-Chen Liu, "A Heterogeneous Social Force Model for Personal Mobility Vehicles on Futuristic Sidewalks," Simulation Modelling Practice and Theory, Vol. 131, 102879, Feb. 2024.

• Alireza Jafari and Yen-Chen Liu, "Perceived Time-To-Collision as Public Space Users’ Discomfort Metric," 22nd IFAC World Congress, Yokohama, Japan, Jul. 2023.

• Alireza Jafari and Yen-Chen Liu, "Behavior Capturing Dynamic Model for Electric Scooter Rider in Public Spaces," International Conference on System Science and Engineering (ICSSE), Taichung, Taiwan, May 2022.

• Alireza Jafari and Yen-Chen Liu, "A Modified Social Force Model for Electric Scooters," International Automatic Control Conference (CACS), Chiayi, Taiwan, Nov. 2021.

Awards

• Outstanding Doctoral Student Award, Grand Review Doctoral and Postdoctoral Research Academic Competition, National Cheng Kung University (NCKU), 2023.

B.S., Department of Automatic Control, Hanoi University of Science and Technology, Hanoi, Vietnam

Nationality: Vietnam

Research Topic: Connectivity Maintenance for Multi-Agent Flocking under Cyber Attacks

Publications: 

• Quang Huy Tran and Yen-Chen Liu, " Connectivity Preservation for Flocking Control of Multi-Agent Systems under Deception Attacks on Velocity," 22nd IFAC World Congress, Yokohama, Japan, Jul. 2023.

Awards:

B.S., Department of Mechatronics Engineering, Hanoi University of Industry, Hanoi, Vietnam 

M.S., Department of Mechatronics Engineering, Hanoi University of Industry, Hanoi, Vietnam

Nationality: Vietnam

Research Topic: Advanced Intelligent Mobile Robotic Systems

Publications: 

Awards:

B.S., Department of Mechanical Engineering, National Cheng Kung University, Tainan, Taiwan

Nationality: Taiwan

Research Topic: Human-Robot Interaction for Mobile Manipulators

Publications: 

• Hua-Hsuan Yeh and Yen-Chen Liu, “Distributed Observer-Based Control for Teleoperation of Networked Mobile Manipulators with Communication Delays,” International Conference on Advanced Robotics and Intelligent Systems (ARIS), accepted, 2020.

• Hua-Hsuan Yeh and Yen-Chen Liu, “Distributed Synchronization Control for Single-Master-Multiple-Slaves Teleoperation of Networked Mobile Manipulators,” IEEE International Conference on Systems, Man, and Cybernetics (SMC), accepted, 2020. 

• Hua-Hsuan Yeh and Yen-Chen Liu, “Distributed Control for Teleoperation on Multiple Mobile Manipulators with Physical Constraints,” Asian Control Conference (ASCC), accepted, 2022. 

• Yu-Wei Chang, Shu-Ting Hsu, Hua-Hsuan Yeh, and Yen-Chen Liu, "An Intuitive Human-Manipulator Interface with Mixed Reality," the 23rd International Conference on Control, Automation and Systems (ICCAS), Yeosu, Korea, Oct. 2023.

Awards:

• Best Presentation Paper Award – the Third Place, International Conference on Advanced Robotics and Intelligent Systems (ARIS), 2020.

B.S., Department of Mechanical Engineering, National Cheng Kung University, Tainan, Taiwan

Nationality: Taiwan

Research Topic: Advanced Dynamic Wireless Power Transfer for Robotic Application

Publications: 

Awards:

B.S., Department of Mechanical Engineering, National Chung Cheng University, Chiayi, Taiwan

Nationality: Taiwan

Research Topic: Smart Agriculture Assisted Mobile Robot System

Publications: 

Awards:

B.S., Department of Mechanical Engineering, National Cheng Kung University, Tainan, Taiwan

Nationality: Taiwan

Research Topic: Advanced Automated Balancing and Driving E-Scooter

Publications: 

Awards:

B.S., Department of Mechanical Engineering, National Chung Cheng University, Chiayi, Taiwan

Nationality: Taiwan

Research Topic: Intelligent Human-Following Companion Robot

Publications: 

Awards:

B.S., Department of Mechanical Engineering, Yuan Ze University, Taoyuan, Taiwan

Nationality: Taiwan

Research Topic: Intelligent Interactive System for Human to Mobile Manipulator

Publications: 

Awards:

B.S., Department of Systems Engineering and Technology, National Yang-Ming Chiao-Tung University, Hsinchu, Taiwan

Nationality: Taiwan

Research Topic: TBD

Publications: 

Awards:

B.S., Department of Mechanical Engineering, National Sun Yat-Sen University, Kaohsiung, Taiwan

Nationality: Taiwan

Research Topic: TBD

Publications: 

Awards:

B.S., Department of Mechanical Engineering, Chung Hsing University, Taichung, Taiwan

Nationality: Taiwan

Research Topic: TBD

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Awards:

B.S., Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, Taiwan

Nationality: Taiwan

Research Topic: TBD

Publications: 

Awards:

B.S., Department of Mechanical Engineering, National Sun Yat-Sen University, Kaohsiung, Taiwan

Nationality: Taiwan

Research Topic: TBD

Publications: 

Awards:

B.S., Department of Mechanical Engineering, National Sun Yat-Sen University, Kaohsiung, Taiwan

Nationality: Taiwan

Research Topic: TBD

Publications: 

Awards:

B.S., Department of Mechatronics Engineering, Hanoi University of Industry, Hanoi, Vietnam

Nationality: Vietnam

Research Topic: TBD

Publications: 

Awards: