1. Hierarchical control for sensory interactive robots;Albus,1981
2. Contouring control of an articulated robot arm with manipulation variable feedback;Hanafusa,1981
3. Autonomous Trajectory Control of Robot Manipulators;Hanafusa,1984
4. Robot control based on membership and vagueness;Hirota,1985
5. Sensor programming — A new way for teaching a robots path and forces/torques simultaneously;Hirzinger,1983