在低载波比和参数不确定性下,强大的无传感器控制高速PMSM驱动器
Zhanyi Lin1, Shi Jin1, Hao Wang1
1College of Electrical Engineering, Shenyang University of Technology, Shenyang, 110870, China.
Scientific reports
|February 27, 2026
概括
这项研究介绍了一种新的无传感器控制策略,使用主动干扰拒绝控制 (ADRC) 用于高速永磁同步电机 (PMSM) 驱动器. 它确保在低载波-基本频率比率下稳定的性能,提高效率和稳定性.
科学领域:
- 电气工程 电气工程
- 控制系统 控制系统
- 电力电子 电力电子 电力电子
背景情况:
- 运行高速永磁同步电机 (PMSM) 驱动器在低载波至基本频率 (C/F) 比率上对系统效率至关重要.
- 在这些低C/F条件下,传统的无传感器控制方案的稳定性和性能受到损害.
- 参数不确定性和未建模的动态对强大的控制构成重大挑战.
研究的目的:
- 为在低C/F比下运行的PMSM驱动器开发一个强大的无传感器控制策略.
- 增强系统对参数不确定性和未建模动态的弹性.
- 通过减少计算负载,实现先进的控制算法的实际实施.
主要方法:
- 建议基于主动干扰拒绝控制 (ADRC) 的强大的无传感器控制策略.
- 开发了一种高保真度混合 (HY) 离散方法,以实现RK4级精度,并减少30%的计算负载.
- 进行系统的稳定性分析以验证拟议框架的性能边界.
主要成果:
- 与传统方法相比,拟议的HY离散的ADRC框架在低C/F比率领域表现出优越的稳定性.
- 在100kW,20,000rpm的工业PMSM平台上的实验验证证证了C/F比率低至6的稳定运行.
- 该策略表现出针对显著参数不匹配的增强稳定性.
结论:
- 开发的无传感器控制策略有效地解决了低C/F比的PMSM驱动器常规方法的局限性.
- 这种HY离散方法使得计算密集型的ADRC可用于实际应用.
- 拟议的方法为要求高效率和强度的工业驱动系统提供了可行的解决方案.
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