@conference {icons19-guoxi,
	title = {Robust Observer-Based Tracking Control Design for Power-Assisted Wheelchairs},
	booktitle = {Proceedings 5th IFAC Conference on Intelligent Control and Automation Sciences ({ICONS-19})},
	year = {2019},
	month = {21{\textendash}23 August},
	pages = {61{\textendash}66},
	address = {Belfast, Northern Ireland, UK},
	author = {Feng, Guoxi and Thierry-Marie Guerra and Nguyen, Anh-Tu and Lucian Busoniu and Sami Mohammad}
}
