无刷直流电机转速伺服系统动态面控制 -- 西北工业大学学报,2017,35(2):267-273
论文:2017,Vol:35,Issue(2):267-273
引用本文:
张震, 马瑞卿, 吴先宇, 肖晨曦, 杨剑威. 无刷直流电机转速伺服系统动态面控制[J]. 西北工业大学学报
Zhang Zhen, Ma Ruiqing, Wu Xianyu, Xiao Chenxi, Yang Jianwei. Dynamic Surface Control for Permanent Magnet Brushless DC Motor Speed Servo System[J]. Northwestern polytechnical university

无刷直流电机转速伺服系统动态面控制
张震1, 马瑞卿1, 吴先宇2, 肖晨曦3, 杨剑威1
1. 西北工业大学 自动化学院, 陕西 西安 710072;
2. 国防科技大学 航天科学与工程学院, 湖南 长沙 410073;
3. 中国电子科技集团公司 第五十四研究所, 河北 石家庄 050081
摘要:
为满足超燃冲压发动机燃油供应系统对电动泵用电机驱动控制精度和响应速度的要求,提出一种新颖的基于扩张状态观测器的动态面控制策略,应用在无刷直流电机(BLDCM)转速伺服系统,有效克服了无刷直流电机的参数摄动和负载扰动。建立基于相电流的电机动态模型,通过扩张状态观测器,在外部扰动模型未知的情况下,观测电机负载转矩用于构造动态面控制器,并证明闭环系统转速一致最终稳定。仿真和试验结果表明,与经典PID控制方法相对比,动态面控制策略显著提高了无刷直流电机转速伺服系统的闭环精度和动态性能,对电机参数摄动和负载扰动具有良好的抑制作用。
关键词:    无刷直流电机    动态面控制    扩张状态观测器    反演控制    转速伺服系统    数字信号处理器    李雅普诺夫函数   
Dynamic Surface Control for Permanent Magnet Brushless DC Motor Speed Servo System
Zhang Zhen1, Ma Ruiqing1, Wu Xianyu2, Xiao Chenxi3, Yang Jianwei1
1. School of Automation, Northwestern Polytechnical University, Xi'an 710072, China;
2. College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China;
3.The 54th Research Institute of CETC, Shijiazhuang 050081, China
Abstract:
Due to the requirements of control precision and response speed for pump motor drive applied to scramjet fuel feed system, This paper proposes a novel dynamic surface control (DSC) base on extended state observer (ESO) applied in the brushless DC motor (BLDCM) speed servo system. This method solves the problem of the variation of motor parameters and the disturbance of load torque. A simplified dynamic model of BLDCM is designed based on the phase currents. By the ESO, the torque of BLDCM can be evaluated exactly with partially unknown states of external disturbance, and a controller is developed through the DSC technique. A stability analysis is given, showing that the control law can guarantee uniformly ultimate boundedness of the solution of the closed-loop system. Compare with the traditional PID controller, the simulated and experimental results show that the control precision and dynamic performance of the system can be significantly improved by using the proposed strategy. Furthermore, the robustness for changes of motor parameters and load torque disturbance can be guaranteed.
Key words:    brushless DC motor    dynamic surface control    extended state observer    backstepping    speed servo system    digital signal processor    Lyapunov function   
收稿日期: 2016-09-27     修回日期:
DOI:
基金项目: 国家自然科学基金(11272344)资助
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作者简介: 张震(1986-),西北工业大学博士研究生,主要从事电机驱动控制及并网逆变器控制技术研究。
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