Hierarchical sliding mode control of a spherical robot driven by Omni wheels. - Chung-Wei Chiu; Chih Hu; Chi Kuang (ICMLC, 2012)

SimNet: Learning Reactive Self-driving Simulations from Real-world Observations. - Luca Bergamini; Yawei Ye; Oliver Scheel; Long Chen; Chih Hu; Luca Del Pero; Blazej Osinski; Hugo Grimmett; Peter Ondruska (ICRA, 2021)