Abstract
The linear motor feeding system does not need the intermediate transmission system, and it achieves the “Zero drive”, which brings the high speed response, high precision and high efficiency. Therefore, it's widely used in the industrial mechanization automation production. This paper introduces the characteristics of synchronous control of high-precision gantry moving platform driven by dual-linear motor. There are some problems in the precise synchronization control of the dual-linear motor servo system on the gantry motion platform. In order to improve the synchronous motion control performance of Y-direction bilateral motor in gantry platform for accurate synchronization control, the dynamic model is established and a closed-loop motion control system was quoted firstly. Then, Synchronous planning control mode and the whole decoupling control mode were used for Synchronous control of two shafts to achieve controlling the Y-direction dual-linear motor with high speed and high precision. And, two shafts were controlled simultaneously during high-speed movement. The experimental results of the two control modes show that the latter has better real-time performance and faster response, and it can improve the synchronous motion accuracy of the dual-linear motor.
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