@article {cep21-guoxi,
	title = {Robust observer-based tracking control under actuator constraints for power-assisted wheelchairs},
	journal = {Control Engineering Practice},
	volume = {109},
	year = {2021},
	pages = {104716},
	publisher = {Pergamon},
	author = {Feng, Guoxi and Guerra, Thierry Marie and Lucian Busoniu and Nguyen, Anh-Tu and Sami Mohammad}
}
