With the constant deepening of the society informatization, mechanical automation equipment has bright prospect. Automation technology is widely used in industry, agriculture, military, scientific research, traffic transport, business, medical service and family, etc. The automation technology not only could liberate people from heavy manual labor, part of the mental work and bad or dangerous working conditions, but also could extend the organ function of humans. Meanwhile, it has greatly improved the labor productivity and enhanced the ability of humans to know the world and change the world.