Tachyon: Design and Control of High Payload, Robust, and Dynamic Quadruped Robot with Series-Parallel Elastic Actuators. - Yasuhisa Kamikawa; Masaya Kinoshita; Noriaki Takasugi; Katsufumi Sugimoto; Toshimitsu Kai; Takashi Kito; Atsushi Sakamoto; Ken'ichiro Nagasaka; Yasunori Kawanami (IROS, 2021)