电机与控制应用2017，Vol.44Issue(1)：34-39,6.
基于滑模变结构的异步电机转速控制系统
Speed Control System of Asynchronous Motor Based on Sliding Mode Variable Structure
袁亮 1张斌 1张增华1
作者信息
- 1. 兰州交通大学自动化与电气工程学院,甘肃兰州 730070
- 折叠
摘要
Abstract
In the speed sensorless speed estimation system,according to the traditional sliding mode variable structure discontinuous switching characteristics caused by the estimated speed of the chattering phenomenon,with smooth continuous characteristic sigmoid() function to the traditional variable structure model algorithm was improved design a VS-MRAS structure model reference adaptive variable speed observer,to improve the accuracy of the estimation;on this basis,to approach law algorithm as the optimizing means by the traditional constant speed reaching law algorithm formula improved,a new sliding mode speed regulator was designed.Through the simulation experiment,improved variable structure MRAS speed observer with the tracking performance was good,to eliminate the chattering phenomenon;then the novel sliding mode speed regulator to replace the conventional PI speed regulator in VS-MRAS speed observer for vector control system for verification.The results showed that the designed speed regulator solved the speed overshoot problem,so that the estimation error was reduced.关键词
滑模变结构/模型参考自适应/异步电机/趋近律/滑模转速调节器/矢量控制Key words
sliding mode variable structure/mode reference adaptive system (MRAS)/asynchronous motor/reaching law/sliding speed regulator/vector control分类
信息技术与安全科学引用本文复制引用
袁亮,张斌,张增华..基于滑模变结构的异步电机转速控制系统[J].电机与控制应用,2017,44(1):34-39,6.
