Abstract
In the insect and the fish that forms groups in the natural world and lives, intelligence as the individual is comparatively low living things. However, such a living thing enables the action it crowds by making the crowd cooperates by a simple rule and with order as a whole. This is said, "Swarm intelligence". In the present study, two or more robots with only a comparatively simple function are developed, and it aims at the achievement of the crowd action. The robot was developed that could set freely direction of travel and obstacle detection area by using function of omni-directional movement for traveling section and that can mount up to 8 supersonic sensors.
