Servo motor control system of the industrial robot and automation products, mainly involving the servo motor, reduction drive, controller and sensor etc. Servo system as an important part of industrial automation, mainly used to precisely follow or a feedback control system in the process of repetition. Servo system to make the position of the object, location, status, etc, is accused of output can follow the input target any change of the automatic control system. Servo system is divided into components according to the implementation of the hydraulic servo system, electrical servo system and pneumatic servo system. Servo system in the machine tools, textile, printing and packaging machinery and other fields is widely used, at the same time, with the industrial robot in recent years, the rapid development of electronic equipment, such as manufacturing industry, the application of servo system in emerging industries of scale will also be accelerated. At present, the robot joints drive is dependent on the servo system, the more joints, the robot's flexibility and precision is higher, the more the number of the servo motor to be used. Robots on the servo system of the demand is higher, must satisfy the fast response, high starting torque, regulated moment of inertia than the big, wide speed range, to adapt to the robot's body to do small volume, light weight, operation conditions, such as acceleration and deceleration and require high reliability and stability. At present, the industrial robot is more ac servo system. Servo system cost in industrial robot proportion is as high as 24%, second only to the reducer. In recent years, the improvement of industrial automation and robotics technology popularization, the servo system will be accelerated as the robot sales continued ascension. Last year, according to Chinese robot industry association statistics, the domestic industrial robot sales continue to grow, year accumulative total sales of 22257 units, an increase of the 31. 3%. Among them, the domestic sales accelerating multi-joint robot, sold more than 6000, an increase of 71. And 7% of domestic industrial robot sales 27. 4% increase over the previous year 6. 4%. Factory logistics robot sales more than 1700 units, 93 year-on-year growth. Promoted 2 7%, compared with last year. 6%. Coordinate robot is still a main domestic industrial robot model, sales of nearly 10600 units last year, accounting for 47 of total sales of the robot. 6%. From the point of city share, at present abroad servo enterprise in our country, the market share of 75%. Among them, the Japanese brands accounted for 50%; European and American brands accounted for 25%. And domestic brands account for only about 20% of the market. Current our country mid-range servo system has been able to realize large-scale production, but the high-end servo system has not yet formed commercialization and mass production capacity, domestic demand for precision servo motor control system is mainly dependent on imports. Along with the advancement of support policy of the industrial robot, as well as the continuous increase of domestic servo technology, servo system in our country will accelerate the pace of import substitution.
