Toshiba Kikai Kabushiki Kaisha

Yuta Matsumoto

Jun Fujita

Yasunori Nishihara

A robot apparatus () includes a control apparatus () which carries out correction with use of an estimated value of a joint torque estimation unit () which estimates a joint torque acting upon each of joints (to). The joint torque estimation unit () includes a Coulomb frictional force torque estimation unit (), a viscous frictional torque estimation unit (), and a transition interval arithmetic operation unit () which smoothens transition from the Coulomb frictional force torque estimation unit () to the viscous frictional force estimation unit () and transition from the viscous frictional force torque estimation unit () to the Coulomb frictional force torque estimation unit ().

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Numazu, Japan

Yuta Matsumoto