The following publications are possibly variants of this publication:
- Admittance control based walking support and power assistance of an omnidirectional wheelchair typed robotChi Zhu, Masashi Oda, Masataka Yoshioka, Tomohiro Nishikawa, Shota Shimazu, Xiang Luo. robio 2010: 381-386 [doi]
- A new type of omnidirectional wheelchair robot for walking support and power assistanceChi Zhu, Masashi Oda, M. Suzuki, Xiang Luo, Hideomi Watanabe, Yuling Yan. iros 2010: 6028-6033 [doi]
- Power assistance of an omnidirectional hybrid walker and wheelchair with admittance model and Iterative Learning ControlToshikatsu Suzuki, Chi Zhu, Toshitaka Sakai, Yuji Okada, Yuichiro Yoshikawa, Masataka Yoshioka, Yuling Yan, Haoyong Yu, Feng Duan. amc 2014: 446-451 [doi]
- Platform development of an omnidirectional mobile robot for the elderly's walking support and the caregiver's power assistanceChi Zhu, Masashi Oda, Xiang Luo, Hideomi Watanabe, Yuling Yan. robio 2009: 1900-1905 [doi]
- Power assistance on slope of an omnidirectional hybrid walker and wheelchairToshikatsu Suzuki, Chi Zhu, Masataka Yoshioka, Simazu Shota, Yuichiro Yoshikawa, Yuji Okada, Yuling Yan, Haoyong Yu, Feng Duan. robio 2012: 974-979 [doi]