机械弹性储能参数辨识自适应调速控制

doi:10.19595/j.cnki.1000-6753.tces.180564

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摘要

机械弹性储能系统通过永磁同步电机驱动储能箱完成储能过程,储能箱由大型平面涡簧集成封装而成,运行特性复杂,需要一种强鲁棒性控制算法,确保系统安全高效运行。针对此问题,设计带遗忘因子递推最小二乘（FFRLS）参数辨识的自适应反推控制算法并运用于机械弹性储能系统速度跟踪控制中。该方法通过构造特殊的Lyapunov函数,在永磁同步电机矢量控制模型上设计转矩转动惯量自适应反推控制算法,同时针对电机关键参数的变化问题,通过FFRLS参数辨识算法实时观测电机参数并反馈至控制系统,从而构成系统全参数鲁棒控制,保证系统高效储能。仿真和实验结果表明,此控制方法适用于机械弹性储能特殊场合,能有效提高系统性能,对该储能系统进一步推广应用有积极的意义。

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关键词 ：机械弹性储能, 反推自适应律, 参数辨识, 特殊负载

Abstract：

The mechanical elastic energy storage system completes the energy storage process through the permanent magnet synchronous motor (PMSM) driving the energy storage box that contains the large plane scroll spring. The operation characteristics of the boxes are complex, and a robust control algorithm is needed to ensure safe and efficient operation of the system. To solve this problem, an adaptive backstepping control algorithm with FFRLS parameter identification is designed and applied to the speed tracking control of mechanical elastic energy storage system. Through constructing a special Lyapunov function, an adaptive backstepping control algorithm of torque inversion inertia is designed on the vector control model of permanent magnet synchronous motor. At the same time, online identification of the key parameters of the motor increases the control precision of the system, which ensures the energy storage efficiency. The simulation and experimental results show that the control scheme is suitable for special occasions of mechanical elastic energy storage, which lays a foundation for its further extension and application.

Key words： Mechanical elastic energy storage adaptive backstepping control parameter identification special load

收稿日期: 2018-04-12 出版日期: 2018-12-29

PACS:

TM301

基金资助:

基金项目国家自然科学基金（51407077）,国家电网公司2016年总部科技项目（5204BB16000F）和中央高校基本科研业务费专项资金（2017MS095）资助项目

通讯作者: 郑晓明男,1986年生,博士研究生,研究方向为机械弹性储能与永磁同步电机控制技术。E-mail: ysuzhxm@126.com

作者简介: 米增强男,1960年生,教授,博士生导师,研究方向为新能源电力系统与智能电网,机械弹性储能技术。E-mail: mizengqiang@sina.com

引用本文:

郑晓明, 米增强, 余洋, 卢建斌, 孙辰军. 机械弹性储能参数辨识自适应调速控制[J]. 电工技术学报, 2018, 33(24): 5768-5778. Zheng Xiaoming, Mi Zengqiang, Yu Yang, Lu Jianbin, Sun Chenjun. Adaptive Control Strategy for Speed Tracking Control with Parameters Identification for Mechanical Elastic Energy Storage System. Transactions of China Electrotechnical Society, 2018, 33(24): 5768-5778.

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