1. Impedance Characteristics of Robots Considering Human Emotions.
2. (2) Lim, H., Yokoi, K., Huang, O., Oh, S., Takahashi, A. and Tanie, K., Collision-tolerant Mobile Manipulator for Services 4th Report: Collision-Tolerant Performance under Trajectory Tracking Task, Proceedings of the 15th Annual Conference of Robotics Society of Japan, (in Japanese), Vol.3 (1997), pp.751-752.
3. Describing Moving Obstacles in a Configuration Space.