Patent ID: 8121732

Claim:
A target position detection apparatus for a robot, comprising: a robot including an arm configured to be freely moved in at least two directions of X and Y axes, the arm having a wrist axis provided at a distal end of the arm and configured to be freely moved in a horizontal direction, and the wrist axis being provided with an end effector; and a control unit adapted for driving a memory to store a teaching point therein and controlling an operation of the robot such that the end effector will be moved toward the teaching point stored in the memory, wherein the control unit is further adapted for changing a pressing force of the end effector against a target by changing a control loop gain, and bringing the end effector into contact with the target, while setting the control loop gain of the wrist axis lower than a predetermined value at least from a position adjacent to the teaching point at which the target is located, so as to capture a position in a state in which the end effector is in contact with the target, thereby detecting the position of the target.