【作者】 王倩倩； 潘鹏； 金龙； 徐志科；

【机构】 东南大学；

【摘要】 本文阐述了基于DSP的超声波电机(Ultrasonic Motor,USM)速度控制和定位控制的方法。针对超声波电机的非线性特点,通过分段PID控制算法,提高了电机的控制精度。实验分析了基于分段PID控制算法的超声波电机速度控制性能,并简要介绍了上位机控制界面。为进一步实现超声波电机超低转速和角秒级定位的伺服特性打下软硬件基础。更多还原

【Abstract】 The principle as well as methods of speed control and positioning control of USM based on DSP is stated.For non-linear characteristics of USM,the control accuracy of USM is improved by Piecewise PID control algorithm.The speed control performance of USM based on piecewise PID control algorithm is experimented and analyzed.And PC control interface is briefly introduced.The foundation of hardware and software to achieve ultra-low speed and arc-second positioning servo characteristics of USM is laid in the paper.更多还原