Kinematic Evaluation of Manipulator for Peg-in-Hole Task. - Kei Hara; Ryuichi Yokogawa; Yoshihiro Kai (ICRA, 1995)

Evaluation of task-performance of a manipulator for a peg-in-hole task. - Kei Hara; Ryuichi Yokogawa; Yoshihiro Kai (ICRA, 1997)

A Graphical Method for Evaluating Static Characteristics of the Human Finger by Force Manipulability. - Kei Hara; Ryuichi Yokogawa; Akira Yokogawa (ICRA, 1998)

Variable impedance control with regard to working process for man-machine cooperation-work system. - Toru Tsumugiwa; Ryuichi Yokogawa; Kei Hara (IROS, 2001)

Variable Impedance Control Based on Estimation of Human Arm Stiffness for Human-Robot Cooperative Calligraphic Task. - Toru Tsumugiwa; Ryuichi Yokogawa; Kei Hara (ICRA, 2002)

Variable impedance control with virtual stiffness for human-robot cooperative peg-in-hole task. - Toru Tsumugiwa; Ryuichi Yokogawa; Kei Hara (IROS, 2002)

Switching control of position/torque control for human-robot cooperative task -human-robot cooperative carrying and peg-in-hole task. - Toru Tsumugiwa; Atsushi Sakamoto; Ryuichi Yokogawa; Kei Hara (ICRA, 2003)

Measurement method for compliance of vertical-multi-articulated robot -application to 7-DOF robot PA-10-. - Toru Tsumugiwa; Ryuichi Yokogawa; Kei Hara (ICRA, 2003)