Robust position control using double disturbance observers based state feedback for two mass system. - Thang Xuan Bo; Thao Tran Phuong; Kiyoshi Ohishi; Yuki Yokokura; Toshimasa Miyazaki (IECON, 2016)

Sensor-less torque control considering contact phase for two-mass system. - Thang Xuan Bo; Kiyoshi Ohishi; Toshimasa Miyazaki; Yuki Yokokura (AMC, 2018)