our publications

@article{wedage_variable_2026,

title = {Variable Frequency Targeted Uncertainty and Disturbance Estimator for Stabilization and Disturbance Rejection with an Application to Low-speed Aerobatic Maneuvers},

author = {Pravin Wedage* and Hugh H. -T. Liu},

year  = {2026},

date = {2026-01-01},

journal = {Aerospace Systems (by Springer)},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{zhuang_hybrid_2026,

title = {Hybrid reinforcement learning control for UAV territory guarding with cooperative angle-of-arrival localization},

author = {Wenjie Zhuang* and Longhao Qian* and Hugh H. -T. Liu},

year  = {2026},

date = {2026-01-01},

journal = {Science China: Technological Sciences},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{zanjanpour_methodological_2026,

title = {A methodological extension of validated trust metrics for high fidelity advanced air mobility simulation},

author = {Darya Zanjanpour* and Hugh H. -T. Liu},

year  = {2026},

date = {2026-01-01},

journal = {Drone Systems and Applications},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{go_observability-aware_2026,

title = {Observability-Aware Control forQuadrotorFormation Flight with Range-only Measurement},

author = {Hei Shing Helson Go* and Ching Lok Chong and Longhao Qian* and Hugh H. -T. Liu},

doi = {https://doi.org/10.2514/1.G009507},

year  = {2026},

date = {2026-01-01},

journal = {AIAA Journal of Guidance, Control and Dynamics},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{chen_autonomous_2026,

title = {Autonomous UAV-Based Water Sampling with Variable-Length Slung Payloads: A Cross-Platform Solution for Transferable Autonomy},

author = {Ji Tong Chen* and Prathamesh Pawaskar and Hugh H. -T. Liu+ supervisor) and Meghraj Garad++ and Bakul Rao++ supervisors)},

year  = {2026},

date = {2026-01-01},

journal = {Aerospace Systems (by Springer)},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{mbikayi_tbd_2026,

title = {TBD},

author = {Zoe Mbikayi* and Agnes Steinert and Florian Holzapfel and Hugh Liu (co-supervisor)},

year  = {2026},

date = {2026-01-01},

journal = {Aerospace Systems (by Springer)},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{zanjanpour_quantitative_2026,

title = {Quantitative Trust and Behavioural Measurement Tools for Optimizing Human-Robot Interaction},

author = {Darya Zanjanpour* and Harry Chen* and Hugh H. -T. Liu and Jason E Plaks},

year  = {2026},

date = {2026-01-01},

journal = {IEEE Transactions on Human-Machine Systems},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{chao_qin_time_2025,

title = {Time Optimal Quadrotor Maneuver: From Optimality Analysis to Trajectory Planning},

author = {Chao Qin and Jingxiang Chen and Yifan Lin and Abhishek Goudar and Angela P. Schoellig and Hugh H. -T. Liu},

year  = {2025},

date = {2025-06-01},

journal = {The International Journal of Robotics Research},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{seyedreza_fattahi_massoum_nonlinear_2025,

title = {Nonlinear Cable Direction Control Design and Stability Analysis for a Multirotor-slung Load System with a Varying-length Cable},

author = {Seyedreza Fattahi Massoum and Hugh H. -T. Liu},

year  = {2025},

date = {2025-06-01},

journal = {IEEE Transactions on Aerospace and Electronic Systems},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{mbikayi_relative_2025,

title = {Relative kinematics for a jerk‑level trajectory generation system},

author = {Zoe Mbikayi* and Agnes Steinert and Philippe Rudolph and Dominik Heimsch and Florian Holzapfel (co-supervisor) and Hugh Liu (co-supervisor)},

doi = {https://doi.org/10.1007/s13272-025-00861-y},

year  = {2025},

date = {2025-01-01},

journal = {CEAS Aeronautical Journal},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{kunwu_zhang_tube_2025,

title = {Tube MPC-based Trajectory Tracking Control of Quadrotors: A Learning Certified Contraction Metric Approach},

author = {Kunwu Zhang and Hugh H. -T. Liu},

year  = {2025},

date = {2025-01-01},

journal = {IEEE Transactions on Industrial Informatics},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{zoe_mbikayi1_relative_2025,

title = {Relative kinematics for a jerk‑level trajectory generation system},

author = {Zoe Mbikayi1 and Agnes Steinert and Philippe Rudolph and Dominik Heimsch and Florian Holzapfel and Hugh Liu},

doi = {https://doi.org/10.1007/s13272-025-00861-y},

year  = {2025},

date = {2025-01-01},

journal = {CEAS Aeronautical Journal},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{darya_zanjanpour_quantitative_2025,

title = {Quantitative Trust and Behavioural Measurement Tools for Optimizing Human-Robot Interaction In Advanced Air Mobility Systems},

author = {Darya Zanjanpour and Jason Plaks and Hugh H. -T. Liu},

year  = {2025},

date = {2025-01-01},

journal = {IEEE Transactions on Human Machine Systems},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{seyedreza_fattahi_massoum_aquafly_2025,

title = {AquaFly Project: Autonomous Multi-Drone Water Sampling with a Payload Deployment and Retraction Mechanism},

author = {Seyedreza Fattahi Massoum and Cindi Feng and Hugh H. -T. Liu},

doi = {10.1142/S230138502550058X},

year  = {2025},

date = {2025-01-01},

journal = {Unmanned Systems},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{mbikayi_online_2024,

title = {Online Deterministic 3D Trajectory Generation for Electric Vertical Take-Off and Landing Aircraft},

author = {Zoe Mbikayi* and Agnes Steinert and Dominik Heimsch and Moritz Speckmaier and Philippe Rudolph and Hugh Liu (co-supervisor) and Florian Holzapfel (co-supervisor)},

doi = {https://doi.org/10.3390/aerospace11020157},

year  = {2024},

date = {2024-01-01},

journal = {MDPI Aerospace},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{darya_zanjanpour_trust_2024,

title = {trust calibration in human-robot interaction: evaluating the impacts of auto safe mode on unmanned aerial vehicle systems},

author = {Darya Zanjanpour and Jason Plaks and Hugh H. -T. Liu},

year  = {2024},

date = {2024-01-01},

journal = {IEEE Transactions on Systems Man Cybenetics},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{qian_path_2024,

title = {A Path Planning Algorithm for A Crop Monitoring Fixed-wing Unmanned Aerial System},

author = {Longhao Qian* and Yi Lok Lo* and Hugh Hong-Tao Liu},

year  = {2024},

date = {2024-01-01},

journal = {SCIENCE CHINA Information Sciences, (accepted)},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{xiong_dop-based_2024,

title = {DOP-Based Drift Correction Control for UAVs Operating in Urban Canyon},

author = {Shangyi Xiong* and Hugh H-T Liu},

year  = {2024},

date = {2024-01-01},

journal = {IEEE Transactions on Mechatronics},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{zanjanpour_quantitative_2024,

title = {Quantitative Trust and Behavioural Measurement Tools for Optimizing Human-Robot Interaction in Advanced Air Mobility Systems},

author = {Darya Zanjanpour* and Harry Chen* and Hugh H. -T. Liu and Jason E Plaks},

year  = {2024},

date = {2024-01-01},

journal = {IEEE Transactions on Human-Machine Systems, (submitted on 9.mar.2024)},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{fu_defending_2023-1,

title = {Defending a Target Area with a Slower Defender},

author = {Han Fu* and Hugh H. -T. Liu},

year  = {2023},

date = {2023-01-01},

journal = {IEEE Control Systems Letters},

volume = {7},

pages = {661–666},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{fu_justification_2023,

title = {Justification of the geometric solution of a target defense game with faster defenders and a convex target area using the HJI equation},

author = {Han Fu* and Hugh H. -T. Liu},

year  = {2023},

date = {2023-01-01},

journal = {Automatica},

volume = {149},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{fan_multi-uav_2023,

title = {Multi-UAV Cooperative Hunting in Cluttered Environments Considering Downwash Effects},

author = {Shichen Fan* and Hugh H. -T. Liu},

doi = {10.1142/S2737480723500048},

year  = {2023},

date = {2023-01-01},

journal = {Guidance, Navigation and Control, 2023 Best Paper Award},

volume = {3},

number = {1},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{mbikayi_online_2023,

title = {Online Deterministic 3D Trajectory Generation for eVTOL Applications},

author = {Zoe Mbikayi* and Agnes Steinert and Dominik Heimsch and Moritz Speckmaier and Philippe Rudolph and Hugh H. -T. Liu and Florian Holzapfel},

url = {https://www.mdpi.com/journal/aerospace},

year  = {2023},

date = {2023-01-01},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{qin_perception-aware_2023-1,

title = {Perception-Aware Image-Based Visual Servoing of Aggressive Quadrotor UAVs},

author = {Chao Qin* and Qiuyu Yu* and Shing Hei Helson Go* and Hugh H. -T. Liu},

doi = {10.1109/TMECH.2023.3276211},

year  = {2023},

date = {2023-01-01},

booktitle = {IEEE/ASME International Conference on Advanced Intelligent Mechatronics},

journal = {IEEE/ASME Transcations on Mechatronics},

publisher = {IEEE},

address = {Seattle},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{chen_transportation_2022,

title = {Transportation of Payload Using Multiple Quadrotors via Rigid Connection},

author = {Ti Chen* and Jinjun Shan and Hugh H. T. Liu},

editor = {Adel Ghenaiet},

url = {https://www.hindawi.com/journals/ijae/2022/2486561/},

doi = {10.1155/2022/2486561},

issn = {1687-5974},

year  = {2022},

date = {2022-04-01},

journal = {International Journal of Aerospace Engineering},

volume = {2022},

pages = {1–13},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{fu_isochron-based_2022,

title = {An Isochron-Based Solution to the Target Defense Game Against a Faster Invader},

author = {Han Fu* and Hugh H. -T. Liu},

year  = {2022},

date = {2022-01-01},

journal = {IEEE Control Systems Letters},

volume = {6},

pages = {1352–1357},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

@article{quadrotors_cpa-planner_2022,

title = {CPA-Planner : Motion Planner with Complete Perception Awareness for},

author = {Sensing-limited Quadrotors and Qiuyu Yu and Chao Qin and Lingkun Luo and Hugh H. -T. Liu and Shiqiang Hu},

year  = {2022},

date = {2022-01-01},

journal = {Robotics and Automation Letters},

pages = {submitted},

keywords = {},

pubstate = {published},

tppubtype = {article}

}