A Partner Robot Transforming to a Vehicle: CanguRo - Design, Development and Evaluation of Its In-Wheel Drive Unit with Cycloid Gear -. - Hideaki Yamato; Masahiro Tomono; Takayuki Furuta; Kazuki Ogihara; Takashi Kodachi; Kiyoshi Irie; Yoshitaka Hara; Kengo Toda; Yu Okumura; Tomoaki Yoshida; Masaharu Shimizu (SII, 2020)