一个复合的滑动模式控制与第一阶差分器和滑动模式观察器,永久磁铁同步机的复合式滑动模式控制
Junjie Hong1, Xijian Lin1, Jianbo Zhang1
1School of Automation, Guangdong University of Technology, Guangzhou 510006, China.
本研究介绍了常磁同步机 (PMSM) 速度调节的复合滑动模式控制 (SMC). 该方法通过使用一级差分器 (FOD) 和干扰观察器 (DOB) 来增强跟踪和干扰排斥.
科学领域:
- 电气工程 电气工程
- 控制系统工程 控制系统工程
背景情况:
- 永久磁铁同步机 (PMSM) 需要精确的速度调节以获得最佳性能.
- 传统的控制方法经常与测量噪声和外部干扰作斗争,导致跟踪和反干扰能力降低.
- 滑动模式控制 (SMC) 提供了稳定性,但可能会受到声和噪声放大的影响.
研究的目的:
- 为PMSM速度调节系统开发一种先进的复合滑动模式控制 (SMC) 策略.
- 为了提高PMSM速度控制器的跟踪性能和防干扰性能.
- 为了减轻与测量噪声和控制法律中固有的SMC中存在的不连续性相关的问题.
主要方法:
- 建议采用复合滑动模式控制 (SMC) 方法,集成一级差分器 (FOD) 来估计速度误差及其衍生值,从而过高频噪声.
- 基于滑动模式观察器 (SMO) 的干扰观察器 (DOB) 旨在进行前补偿,在不同干扰下增强动态性能.
- 前进补偿用于适当地降低切换增益,进一步减少控制信号的喋喋不休.
主要成果:
- 拟议的FOD有效地过了测量噪声,从而使控制规则更加顺,并减少了不连续性.
- 基于DOB的前补偿显著提高了系统的稳定性和对干扰的动态响应.
- 实验结果证实,复合的SMC策略有效地优化了跟踪性能,并削弱了聊天.
结论:
- 开发的复合SMC,包括FOD和DOB,为PMSM速度调节提供了卓越的解决方案.
- 该战略有效地解决了PMSM系统中噪音,喋喋不休和干扰排斥挑战.
- 拟议的控制方法在跟踪精度和系统稳定性方面都取得了显著的改进.
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