In this paper, we propose a robot navigation interface using a touch-pen. Generally, the global map building and position estimation are very difficult in the disaster site. In the proposed system, local sensory information is mainly used for the robot navigation. The local environment map is displayed for a robot operator, and the operator inputs the goal point on the map for the robot navigation. The desired trajectory and velocity are calculated according to the operator's command and then the robot automatically moves to the goal position.
We have constructed a new system for searching the inside of damaged buildings by grouped robots. Especially, we developed a new wireless ad-hoc network system called 'Robohoc network' system. It is necessary to communicate information such as commands to robots and sensor data to an operator including video images stably with considering not to break down all network performance. In this paper, an outline of each constructed element and an example of methodology how to integrate each element such as robots, network, user interface and data server are shown.
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