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【24h】Robust Control of PMSM Using Geometric Model Reduction and $mu$-Synthesis

机译使用几何模型约简和μ-合成的PMSM鲁棒控制

【摘要】In this paper, we design a linear time-invariant two-input-two-output controller for the permanent magnet synchronous motor (PMSM). First, the nonlinear system of a PMSM is approximated using a linear system with structured uncertainties according to the geometric structures of PMSM. We then design a linear controller for the approximated linear system using a standard μ-synthesis robust control method. The main contribution of this paper is that we recognize that the nonlinear PMSM can be reduced to a linear system to apply the mature modern control theory, without referring to classical PID control, thus largely reducing the design effort. The newly designed robust controller is not only easy to calculate, it is also easy to implement and requires less sensors. By virtue of modern robust control theory, it responds fast to exogenous inputs, and robust against parameter uncertainties as well. The applicability of the designed robust controller is both numerically simulated and experimentally verified on a TMS320 F28335 based control board, with performance further compared with the widely used field-oriented controller.

【摘要机译】在本文中,我们设计了用于永磁同步电动机(PMSM)的线性时不变两输入两输出控制器。首先,根据PMSM的几何结构,使用具有结构不确定性的线性系统来近似PMSM的非线性系统。然后,我们使用标准的μ综合鲁棒控制方法为近似线性系统设计线性控制器。本文的主要贡献在于,我们认识到可以将非线性PMSM简化为线性系统,以应用成熟的现代控制理论,而无需参考经典的PID控制,从而大大减少了设计工作。新设计的鲁棒控制器不仅易于计算,而且易于实现并且需要更少的传感器。借助现代鲁棒控制理论,它可以快速响应外部输入,并且对参数不确定性也具有鲁棒性。在基于TMS320 F28335的控制板上,对所设计的鲁棒控制器的适用性进行了数值模拟和实验验证,其性能与广泛使用的面向磁场的控制器相比有了进一步的提高。

【作者】Runze Cai;Ruixiang Zheng;Ming Liu;Mian Li;

【作者单位】;

【年(卷),期】2018(65),1

【年度】2018

【页码】498-509

【总页数】12

【原文格式】PDF

【正文语种】eng

【中图分类】;

【关键词】Robustness;Linear systems;Robust control;Uncertainty;Torque;Nonlinear systems;Control theory;

机译 鲁棒性线性系统鲁棒控制不确定性转矩非线性系统控制理论;
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