摘要
设计了一套基于微机的超声电机速度和位置测试与控制系统。该系统解决了超声电机长时间工作时由于压电陶瓷特性的改变导致电机速度不稳定问题,采用PI算法的闭环控制时,电机速度可以稳定在3%之内。位置控制实验结果表明:采用模糊推理+PI控制器对电机进行位置精密伺服控制是完全可行的,精度可以达到0.09°。
A measurement and control system based on personal computer（PC） is developed for ultrasonic motor. Speed of ultrasonic motor is unstable in long time running because of the change of piezoelectric ceramics characteristic. The problem is solved in this system. Fluctuation of motor speed could be controlled within 3 % based on proportional integral（PI） control algorithm. Experimental results also show that fuzzy plus PI controller is feasible for precise position control of ultrasonic motor in this system, and position precision could be implemented within 0.09°.
出处
《传感器与微系统》
CSCD
北大核心
2006年第7期64-66,共3页
Transducer and Microsystem Technologies
基金
国家自然科学基金重点资助项目(50235010)
关键词
超声电机
测控
精密位置控制
模糊控制
ultrasonic motor（ USM ）
measurement and control
precise position control
fuzzy control
