在PMSM中优化无感应控制,基于SOGIFO-X流量观察算法
Rencheng Jin1, Ji Chen1, Peihao Hu1
1Key Laboratory for Micro/Nano Technology and System of Liaoning Province, Dalian University of Technology, Dalian 116024, China.
Sensors (Basel, Switzerland)
|February 10, 2024
概括
本研究介绍了SOGIFO-X流量观察器用于永久磁同步电机 (PMSM) 无传感器控制. 它通过减少由波引起的流量观测错误,显著提高了转子位置估计的准确性.
科学领域:
- 电气工程 电气工程
- 控制系统 控制系统
- 机器人技术 机器人技术 机器人技术
背景情况:
- 永久磁同步电机 (PMSM) 的无传感器控制依赖于流量观察算法.
- 由于直流偏差和高阶波,传统方法的转子位置估计精度下降.
研究的目的:
- 为了引入先进的流量观测方法,第二阶段的通用集成器流量观测器扩展 (SOGIFO-X).
- 分析流量观测错误和旋转器位置错误之间的关系.
- 评估SOGIFO-X对传统方法的性能改进.
主要方法:
- 对流量观测错误和旋转器位置错误的理论分析.
- 数学严谨性和博德图分析,用于将SOGIFO-X与低通波器 (LPF) 和二级通用集成器流量观察器 (SOGIFO) 进行比较.
- 在无传感器控制中对SOGIFO-X进行模拟和实验验证.
主要成果:
- 与LPF和SOGIFO相比,SOGIFO-X显示了流量观测误差的显著减少.
- 拟议的方法提高了无传感器控制应用中的稳定状态和动态性能.
- 通过先进的流量观测技术,可以提高位置估计的准确性.
结论:
- 通过减轻波干扰,SOGIFO-X在无传感器PMSM控制中提供了卓越的性能.
- 该方法提高了转子位置估计的准确性,这对于有效的电机控制至关重要.
- 这项工作有助于开发更强大,更有效的无传感器电机控制技术.
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