The verification of permissible resistant torque considering back-drivability to develop a wearable assist suit. - Shingo Iikawa; Manabu Okui; Yasuyuki Yamada; Taro Nakamura 001 (ICARCV, 2016)

1st prototype of a variable viscoelastic joint system with a clutch composed of pneumtic air muscle and magneto rheological brake. - Auth Manabu Okui; Shingo Iikawa; Yasuyuki Yamada; Taro Nakamura 001 (ICARCV, 2016)

Variable viscoelastic joint system and its application to exoskeleton. - Manabu Okui; Shingo Iikawa; Yasuyuki Yamada; Taro Nakamura 001 (IROS, 2017)

A pneumatic power source using a sodium bicarbonate and citric acid reaction with pressure booster for use in mobile devices. - Manabu Okui; Yuki Nagura; Shingo Iikawa; Yasuyuki Yamada; Taro Nakamura 001 (IROS, 2017)

Novel feedforward controller for straight-fiber-type artificial muscle based on an experimental identification model. - Ryuji Suzuki; Manabu Okui; Shingo Iikawa; Yasuyuki Yamada; Taro Nakamura 001 (RoboSoft, 2018)