Wheel-Based Stair Climbing Robot with Hopping Mechanism - Fast Stair Climbing and Soft Landing Using Vibration of 2-DOF System -. - Keisuke Sakaguchi; Takayuki Sudo; Naoki Bushida; Yasuhiro Chiba; Yuji Asai; Koki Kikuchi (J. Robotics Mechatronics, 2007)

Wheel-Based Stair Climbing Robot with Hopping Mechanism - Demonstration of Continuous Stair Climbing Using Vibration -. - Yuji Asai; Yasuhiro Chiba; Keisuke Sakaguchi; Naoki Bushida; Hiroshi Ohtsuka; Yusuke Saito; Koki Kikuchi (J. Robotics Mechatronics, 2008)