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The steady current characteristics of the voltage phase resolution of model predictive modulated current vector control for PMSM

机译:永磁同步电动机模型预测调制电流矢量控制的电压相位分辨率稳态电流特性

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We have proposed new Model Predictive Control which can design the voltage phase resolution and average switching frequency independently for improving steady control performance. Our propose method is based on FCS-MPC, the controller decides switching timing of each phase during control period directly by predicting future current behaviors at each prediction period and evaluate each behaviors. Shortening prediction period can improve steady current control performance, however, calculation amounts of prediction become huge and interfere with implementation. So, our method needs understanding the characteristics of voltage phase resolution and the necessary voltage phase resolution in each operation point for realizing a same level steady current control performance of PI base current vector control using PWM. In this paper, we describe the steady current characteristic of the voltage phase resolution of our method.
机译:我们提出了一种新的模型预测控制,该模型可以独立设计电压相位分辨率和平均开关频率,以提高稳定控制性能。我们提出的方法是基于FCS-MPC的,控制器通过预测每个预测周期的未来电流行为并评估每个行为,直接确定控制周期内各相的开关时序。缩短预测周期可以提高稳定电流控制性能,但是,预测的计算量很大,并且会干扰实现。因此,我们的方法需要了解每个工作点的电压相位分辨率的特性和必要的电压相位分辨率,以实现使用PWM的PI基电流矢量控制的相同水平的稳定电流控制性能。在本文中,我们描述了该方法的电压相位分辨率的稳定电流特性。

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