Hien K. Goi MASc, Systems Control Department of Electrical and Computer Engineering University of Toronto Email: hien.goi [at] utoronto.ca BASc, Computer Engineering - Management Science Option University of Waterloo Supervisors: Bruce A. Francis Timothy D. Barfoot: Autonomous Space Robotics Lab

---

Research Distributed Control for Vision-based Convoying Control system for a convoy of full-sized vehicles with large inter-vehicle spacing to follow the lead vehicle's trajectory without cutting corners Trajectory following done using only on-board sensors (avoiding the use of GPS, inter-vehicle radio communications, and road infrastructures, e.g., road markers or magnets) Applications: Military supply convoy Supply 'mule' vehicle for person following

---

Teaching

• ECE311: Dynamic Systems and Control--Lab Teaching Assistant (Spring, 2009)

---

Publications

Journal Papers

1. H. K. Goi, J. L. Giesbrecht, T. D. Barfoot, and B. A. Francis: “Vision-based Autonomous Convoying with Constant Time Delay”. In: Journal of Field Robotics, 27(4):430–449 (2010) doi:10.1002/rob.20344.

Conference Papers

Full-Paper-Refereed

2. H. K. Goi, T. D. Barfoot, B. A. Francis, and J. L. Giesbrecht: "Vision-based Vehicle Trajectory Following with Constant Time Delay". In: The 7th International Conference on Field and Service Robotics (2009).

Abstract-Refereed

3. J. L. Giesbrecht, H. K. Goi, T. D. Barfoot, and B. A. Francis: "A Vision-based Robotic Follower Vehicle". In: Proceedings of the SPIE Unmanned Systems Technology XI, vol. 7332 (2009).

4. H. Goi, M. El Dib, X. Gao, A. Browne, N. Johnson, and R. Gorbet: "Achieving Consistent SMA Actuation Times Under Varying Ambient Thermal Conditions". In: Proceedings of 12th CANSMART International Workshop on Smart Materials and Structures (2009).

Patent

5. X. Gao, N. W. Pinto, R. B. Gorbet, R. J. Culham, A. L. Browne, N. L. Johnson, E. Kubica, M. El Dib, and H. Goi: “Priming of Shape Memory Alloy Actuators”. US Patent application filed June 2010.

---

Videos

• The two videos show one and two autonomous followers tracking a manually driven lead vehicle, respectively.  The animation inlay is created from logged DGPS position and heading, which were only used for ground truth.