The control system is completely developed by our company and designed with windows operating system with user-friendly chinese operating interface and powerful functions.the system is characterized with easy operation using menu-type buttons and designed with computation method of fast scanning & recognition which has the holes more quick and accurate to be found;it can also drill the hole taking the outer/inner ring as the center and can make the image clearer by adjusting the upper & lower light source,and also can recognize diversified targets such as those with circular holes and annular holes.