针对双馈风电机执行器故障的新型趋近律滑模容错控制方法

doi:10.3969/j.issn.1008-0198.2023.04.002

湖南电力 ›› 2023, Vol. 43 ›› Issue (4): 9-15.doi: 10.3969/j.issn.1008-0198.2023.04.002

针对双馈风电机执行器故障的新型趋近律滑模容错控制方法

李圣清, 文颜烯, 陈欣

湖南工业大学电气与信息工程学院,湖南株洲 412007

收稿日期:2023-05-15 出版日期:2023-08-25 发布日期:2023-09-07
通信作者: 文颜烯(1999),女,硕士研究生,通信作者,研究方向为双馈风电机滑模控制。
作者简介:李圣清(1961),男,教授,研究方向为电能质量调节与控制技术、电力电子系统控制技术等。
基金资助:
国家自然科学基金项目(51977072)

A New Approach Law Sliding Mode Fault Tolerant Control Method for Double Fed Induction Generator Actuator Fault

LI Shengqing, WEN Yanxi, CHEN Xin

College of Electrical and Information Engineering, Hunan University of Technology, Zhuzhou 412007, China

Received:2023-05-15 Online:2023-08-25 Published:2023-09-07

摘要/Abstract

摘要： 为了解决双馈风电机发电系统运行时执行器增益-偏置故障问题,提出一种新型趋近律二阶非奇异快速终端滑模容错控制方法。通过结合PID滑动面与非线性非奇异终端滑模面,以及采用新型自适应趋近律,将滑模面函数与控制增益相关联,设计二阶非奇异快速终端滑模容错控制器。利用李雅普诺夫(Lyapunov)函数来证明控制器的稳定性,仿真与试验结果表明,该控制方法与传统PID及传统滑模控制相比,削弱了抖振,响应速度提高了49.8%,减小了系统稳态误差,具有较好的容错性。

关键词: 双馈风电机, 滑模控制, 容错控制, 自适应趋近律

Abstract: In order to overcome the gain-bias fault of the actuator during the operation of the double fed induction generator, a second order non-singular fast terminal sliding mode fault tolerant control is designed by combining the PID sliding surface with the nonlinear non-singular terminal sliding mode surface, and by associating the sliding mode surface function with the control gain using a new adaptive reaching law. Then Lyapunov function is used to prove the stability of the controller. The simulation and experimental results show that compared with the traditional PID and the traditional sliding mode control, the proposed control method weakens chattering, improves the response speed by 49.8%, reduces the steady-state error of the system, and has better fault tolerance.

Key words: double fed induction generator(DFIG), sliding mode control, fault-tolerant control, adaptive approach law

中图分类号:

TM614

李圣清, 文颜烯, 陈欣. 针对双馈风电机执行器故障的新型趋近律滑模容错控制方法[J]. 湖南电力, 2023, 43(4): 9-15.

LI Shengqing, WEN Yanxi, CHEN Xin. A New Approach Law Sliding Mode Fault Tolerant Control Method for Double Fed Induction Generator Actuator Fault[J]. Hunan Electric Power, 2023, 43(4): 9-15.

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针对双馈风电机执行器故障的新型趋近律滑模容错控制方法

A New Approach Law Sliding Mode Fault Tolerant Control Method for Double Fed Induction Generator Actuator Fault

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