Longhao Qian

Dr. Longhao Qian is a postdoctoral fellow with the FSC lab. He completed his Ph.D. lab in 2021, and has returned to complete his post-doctoral fellowship in the area of drone trajectory planning, control, and machine learning.

Research Interests

Multi-body Dynamics, Nonlinear Control, Flight Mechanics and Simulation

Currently participating in: Cooperative Payload Delivery with Multiple Quadrotor UAVs

Education

Ph.D. –  University of Toronto – Aerospace Science and Engineering (2016 – 2021)
M.A.S. – Shanghai Jiao Tong University – Aeronautics and Astronautics (2013 – 2016)
M.Eng. – University of Toronto – Aerospace Science and Engineering (2014)
B.A.S. – Shanghai Jiao Tong University  – Aeronautics and Astronautics (2009 – 2013) 

Publications

2025

Chen*, JiTong; Qian*, Longhao; Liu, Hugh H. -T.

Stabilization of Slung Payloads Through Natural Frequency Variation Based on Cable Length for Autonomous Unmanned Aerial Vehicles in Water Sampling Proceedings Article

In: AIAA SciTech, (submitted), 2025.

BibTeX

2024

Qian*, Longhao; Lo*, Yi Lok; Liu, Hugh Hong-Tao

A Path Planning Algorithm for A Crop Monitoring Fixed-wing Unmanned Aerial System Journal Article

In: SCIENCE CHINA Information Sciences, (accepted), 2024.

BibTeX

2023

Go*, Shing Hei Helson; Qian*, Longhao; Liu, Hugh HT

Data-Driven and Robust Path-following Control of a Quadrotor Slung Load Transport System Proceedings Article

In: AIAA SciTech, 2023.

BibTeX

2022

Qian*, Longhao; Liu, Hugh H. -T.

Robust Control Study for Tethered Payload Transportation Using Multiple Quadrotor UAVs Journal Article

In: AIAA Journal of Guidance, Control and Dynamics, vol. 45, no. 3, pp. 435–452, 2022.

BibTeX

2020

Qian*, Longhao; Liu, Hugh H. -T.

Path-Following Control of A Quadrotor UAV with A Cable-Suspended Payload under Wind Disturbances Journal Article

In: IEEE Transactions on Industrial Electronics, vol. 67, no. 3, pp. 2021–2029, 2020, ISSN: 15579948.

Links | BibTeX

Qian*, Longhao; Liu, Hugh H. -T.

Path Following Control of A Quadrotor UAV with A Cable Suspended Payload Under Wind Disturbances Journal Article

In: IEEE Transactions on Industrial Electronics, vol. 67, no. 3, pp. 2021–2029, 2020.

BibTeX

Graham*, Silas; Qian*, Longhao; Liu, Hugh H. T.

Guidance and Control Law Design for a Slung Payload in Autonomous Landing: A Drone Delivery Case Study Proceedings Article

In: IEEE/ASME Conference on Advanced Intelligent Mechatronics, pp. 1–10, 2020.

BibTeX

Qian*, Longhao; Graham*, Silas; Liu, Hugh H. -T.

Guidance and Control Law Design for a Slung Payload in Autonomous Landing A Drone Delivery Case Study Journal Article

In: IEEE/ASME Transactions on Mechatronics, vol. 25, no. 4, pp. 1773–1782, 2020.

BibTeX

2019

Liu, Hugh H. -T.; Qian*, Longhao

A payload-quadrotor system modelling analysis Proceedings Article

In: Canadian Society of Mechanical Engineers Congress, London, Ontario, 2019.

BibTeX

Qian*, Longhao; Liu, Hugh H. -T.

Path Following Control of Multiple Quadrotor UAVs Carrying A Rigid-body Slung Payload Proceedings Article

In: AIAA SciTech Forum, San Diego, CA, 2019.

BibTeX

2018

Qian*, Longhao; Liu, Hugh H. -T.

Path Following Control of Multiple Quadrotor UAVs Carrying A Rigid-body Slung Payload Proceedings Article

In: 8th Systems and Control Conference, Toronto, Canada, 2018.

BibTeX

Qian*, Longhao; Liu, Hugh H. -T.

Adaptive Path Following Control for A Quadrotor with An Off-centered Cable Suspended Payload Proceedings Article

In: International Symposium of Aerial Robotics, 2018.

BibTeX

2017

Qian*, Longhao; Liu, Hugh H. -T.

Dynamics and Control of A Quadrotor with A Cable Suspended Payload Proceedings Article

In: IEEE Canadian Conference on Electrical and Computer Engineering, 2017, ISBN: 9781509055388.

BibTeX

Web Pages

Github
Linkedin