基于线性非线性切换自干扰排斥控制的永磁同步电机算法的研究
Xiangde Liu1, Yu Li1,2, Liang Xia3
1Chongqing University of Posts and Telecommunications, Chongqing, 400065, China.
Scientific reports
|November 18, 2023
概括
本研究介绍了切换主动干扰拒绝控制 (SADRC),这是一个新的策略,将线性和非线性控制合并,以显著提高伺服系统速度控制器的性能和对干扰的稳定性.
科学领域:
- 控制系统工程 控制系统工程
- 机器人和自动化 机器人和自动化
- 电气工程 电气工程
背景情况:
- 伺服系统需要强大的速度控制器,以在外部干扰下保持性能.
- 现有的线性活性干扰排斥控制 (LADRC) 和非线性活性干扰排斥控制 (NLADRC) 在干扰排斥方面存在局限性.
- 主动干扰拒绝控制 (ADRC) 原则是基本的,但需要对复杂系统进行增强.
研究的目的:
- 开发一种新的控制策略,即开关主动干扰拒绝控制 (SADRC),用于增强伺服系统中的干扰拒绝.
- 通过结合线性和非线性控制方法来提高速度控制器的稳定性和性能.
- 通过在永久磁同步电机 (PMSM) 上进行实验性比较来验证SADRC的有效性.
主要方法:
- 分析电机的数学模型.
- 通过将LADRC和NLADRC原则与切换参数集成,设计SADRC.
- 参数分析以确定开关机制的最佳范围.
- 使用PMSM进行实验验证,将旋转性能与现有方法进行比较.
主要成果:
- 与传统方法相比,提议的SADRC战略显示了更好的干扰排斥能力.
- 切换机制有效地平衡了线性和非线性控制特征,提高了系统的稳定性.
- 实验结果证实了SADRC在控制PMSM速度方面的优越性能.
结论:
- 通过有效处理干扰,SADRC在伺服系统速度控制方面取得了重大进展.
- 混合线性-非线性方法提供了增强的稳定性和性能,使其适合苛刻的应用.
- 该研究验证了SADRC作为改善伺服系统动态性能的有希望的控制策略.
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