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地铁机车控制系统中,列车定位系统是保证铁路行车安全,提升通过能力,提高运输效率的重要技术装备之一。列车自动控制系统及列车本身需要实时了解列车在线路中的精确位置和速度,那么如何对列车进行精确的定位和速度控制便显得尤为重要,列车定位问题的研究是目前控制系统重要的研究方向。本文设计基于光电位移传感器和伺服电机的位置定位控制系统,能有效地降低列车定位误差,提高列车的定位精度,提高定位系统的可靠性。
In the subway locomotive control system, the train locating system is one of the important technical equipment to ensure the traffic safety of the railway, enhance the passing capacity and improve the transportation efficiency. The automatic control system of trains and the trains themselves need to know the exact position and speed of trains in the line in real time. Therefore, how to locate and control the trains precisely is particularly important. The research of train locating is an important research direction of control systems at present. This paper designs a position control system based on photoelectric displacement sensor and servo motor, which can effectively reduce the train positioning error, improve the positioning accuracy of the train and improve the reliability of the positioning system.