摘要：设计基于DSP低惯量永磁盘式步进电机控制器，采用电流和位置双闭环反馈控制，并将该控制系统作为数字伺服阀电—机械转换器。由于电流受电感和反电势的影响，电—机械转换器的响应频率被限制在165Hz以下，采用一阶微分和惯性环节进行电流补偿校正后，该系统频率响应性能得到极大的提高，实验研究结果表明最高响应频率达到215 Hz。
关键词：控制器；电-机械转换器；电流补偿; 响应频率

Abstract:  A controller was designed for low-inertia magnetic disc stepper motor based on DSP, with the current and position of double closed loop control. The system was used as an elector-mechanical converter for digital servo valve. For the current affected by inductance and EMF, the response frequency of the elector-mechanical converter was limited to 165 Hz. Compensating the current by ordinary differential and inertial, the system response frequency has been greatly improved. The results of the experiment show the maximum response frequency reaches 215Hz.
Key words: controller; elector-mechanical converter; current compensation; response frequency