【作者】 任连生； 郭妍； 刘萍； 庞宇；

【Author】 Ren Liansheng~(1,2),Guo Yan~1,Liu Ping~1,Pang Yu~1 (1.Beijing Institute of Electro-machining,Beijing 100191,China; 2.Dimon Beijing CNC Technology Co.,Ltd.,Beijing 102206,China)

【机构】 北京市电加工研究所； 北京迪蒙数控技术有限责任公司；

【摘要】 根据电火花放电加工特点,开发出一种专用步进电机控制系统,利用单片机完成正弦波的输出控制和电流控制,并通过FPGA实现环形脉冲分配;将人工神经元网络(ANN)和PID控制策略相结合,实现电机绕组电流的精确控制。装配该系统的机床精度检验结果表明,整个步进电机驱动系统能达到高性能、低功耗的目标。更多还原

【Abstract】 This paper mainly developed a special stepper motor control system which is suitable for EDM machining.It completed sine wave output control and current control using MCU and realized pulse distributor by FPGA.The artificial neural networks and PID methods were combined to achieve precise control of motor winding currents.The accuracy test results shows that the stepper motor drive system is high performance and low power consumption。更多还原