没有模型的快速集成终端滑动模式控制方法,基于改进的快速终端滑动模式观察器,用于PMSM,未知干扰
Kaihui Zhao1, Wenchang Liu2, Ruirui Zhou3
1College of Electrical and Information Engineering, Hunan University of Technology, Zhuzhou 412007, China; School of Engineering, Tokyo University of Technology, Hachioji 192-0982, Japan.
ISA transactions
|October 5, 2023
概括
永久磁同步电机 (PMSM) 的新型无模型控制方法有效处理干扰. 这种方法提高了系统的稳定性,并减少了对精确电机模型的依赖.
科学领域:
- 电气工程 电气工程
- 控制系统工程 控制系统工程
- 机器人技术 机器人技术 机器人技术
背景情况:
- 永久磁铁同步电机 (PMSM) 在各种应用中广泛使用.
- 由于未知的干扰,如参数变化和外部力量,控制PMSM驱动器具有挑战性.
- 现有的控制方法通常需要精确的数学模型,这限制了它们的适用性.
研究的目的:
- 为PMSM驱动器开发一种新的无模型控制策略.
- 提高PMSM系统对未知的干扰的稳定性.
- 减少对PMSM控制的准确数学模型的依赖.
主要方法:
- 开发了一种无模型的快速集成终端滑动模式控制 (MFFITSMC) 方法.
- 改进的快速终端滑动模式观察器 (IFTSMO) 设计用于估计未知的系统项.
- 在控制器设计中使用了PMSM速度循环的超局部模型 (ULM).
- 通过反估计的未知项,实现了对未知干扰的实时补偿.
主要成果:
- 拟议的MFFITSMC方法有效地消除了未知的干扰的影响.
- 控制器证明了对精确的PMSM模型的依赖性减少.
- 模拟和实验验证了MFFITSMC方法的抗干扰能力.
- 与比例积分 (PI) 和常规无模型滑动模式控制 (MFSMC) 相比,性能优越.
结论:
- 该 MFFITSMC 方法为 PMSM 驱动控制提供了一个强大且与模型无关的解决方案.
- 这种方法显著提高了系统抵消外部和参数干扰的能力.
- 开发的IFTSMO准确地估计了未知的动态,从而实现了有效的实时补偿.
关键词:
改进的快速终端滑动模式观察器 (IFTSMO)没有模型的快速集成终端滑动模式控制 (MFFITSMC)永磁同步电机 (PMSM) 是一种常磁同步电机.超局部模型 (ULM) 是一种超局部模型.更多相关视频
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