Patent attributes
A robot system includes a robot, a sensor, and a processor. The sensor is configured to detect an external force acting on the robot. The processor is configured to move the robot in a forward direction such that a representative point of the robot moves along a motion track in the forward direction; move the robot in a reverse direction such that the representative point moves along the motion track in the reverse direction opposite to the forward direction when the external force satisfies a first condition which includes a condition that the external force is larger than a first threshold force; and move the robot to reduce the external force when the external force satisfies a second condition which includes a condition that the external force is larger than a second threshold force even after the robot has been moved in the reverse direction.
