Planning and control of stable ladder climbing motion for the four-limbed Robot "WAREC-1". - Xiao Sun 005; Kenji Hashimoto; Tomotaka Teramachi; Takashi Matsuzawa; Shunsuke Kimura 001; Nobuaki Sakai; S. Hayashi; Y. Yoshida; Atsuo Takanishi (IROS, 2017)