Precise time synchronization device for distributed robot system cooperation

For distributed robot system, wireless communication is one of the important technologies to communicate each device and robot. A distributed robot system has benefits at the viewpoint of flexibility, robustness and cost. However, a compensation of communication delay for precise control should be solved in distributed robot system to do the precise control. To solve this problem, how to synchronize the managed time information on each robot is one of the important topics, because of detection of communication time delay. Toward the problem, we have developed wireless time synchronization module for distributed robot system. In this paper, time synchronization ability of the module is shown through an evaluation experiment.