Direct-handling enabled power assist system using coil spring. - Hiroki Sugimura; Yasuhiro Minamiyama; Takanori Kiyota; Noboru Sugimoto (IECON, 2016)

Proposal of power-assisted cart based on inherently safe control. - Takanori Kiyota; Hiroki Sugimura; Chikara Hirano; Yasuhiro Minamiyama; Noboru Sugimoto (IECON, 2017)