改进的等效滑模控制器在异步电动机矢量控制系统中的应用

基金项目:

河北省科技攻关项目(12213912D)

详细信息

Application of improved equivalent sliding mode controller in vector control system of asynchronous motor

College of Information and Electrical Engineering, Hebei University of Engineering, Handan 056038, China

摘要: 针对异步电动机矢量控制系统常规等效滑模控制存在扰动稳态误差大、抖振大、跟踪快速性差的问题，设计了一种改进的等效滑模控制器。该控制器采用改进的切换控制函数，提高了电动机的动态控制性能。仿真试验结果表明，与传统的PI控制器和常规的等效滑模控制器相比，该控制器能有效降低系统抖振，提高了系统的动态响应速度，增强了系统的鲁棒性。
- 异步电动机 /
- 等效滑模控制器 /
- 矢量控制 /
- 鲁棒性
Abstract: In view of problems of big stable state error, large chattering and poor tracking speed existed in conventional equivalent sliding mode controller in vector control system of asynchronous motor, an improved equivalent sliding mode controller was designed. The controller uses improved switching control function to improve dynamic control performance of the motor. The simulation results show that the improved controller can effectively reduce buffeting, improve dynamic response speed and enhance the robustness of the system compared with the conventional PI controller and conventional equivalent sliding mode controller.
- asynchronous motor /
- equivalent sliding mode controller /
- vector control /
- robustness

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