Bilateral control with communication time delay by using motion copying system

In order to realize communication and broadcasting of haptic information, bilateral control with communication time delay is important element. The paper proposes a novel bilateral control method for communication time delay. To compensate the effect of communication time delay, the proposed method applies a motion copying system. The motion copying system is able to save and reproduce motion of human operator. The reproduced position and force by the motion copying system corresponds to saved position and force. The motion copying system copies local motion to other side, in order to realize compensation of communication time delay. The paper confirms that the communication time delay compensation using the motion copying system normally operates. The viability of the proposed method is confirmed by experiments.