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首页> 外文期刊>Electrical engineering in Japan >A New Unified Analysis of Estimate Errors by Model-Matching Phase-Estimation Methods for Sensorless Drive of Permanent Magnet Synchronous Motors and New Trajectory-Oriented Vector Control, Part I
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A New Unified Analysis of Estimate Errors by Model-Matching Phase-Estimation Methods for Sensorless Drive of Permanent Magnet Synchronous Motors and New Trajectory-Oriented Vector Control, Part I

机译：永磁同步电动机无传感器驱动模型匹配相位估计法和新的面向矢量控制的估计误差新统一分析

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This paper presents a new unified analysis of estimate errors by model-matching phase estimation methods such as rotor-flux state observers, back EMF state observers, and back EMF disturbance observers, for sensorless drive of permanent magnet synchronous motors. Analytical solutions for estimate errors, whose validity is confirmed by numerical experiments, are rich in universality and applicability. As an example of universality and applicability, a new trajectory-oriented vector control method is proposed, which can directly realize quasi-optimal strategy minimizing total losses with no additional computational loads by simply orienting one of the vector-control coordinates to the associated quasi-optimal trajectory. The coordinate orientation rule, which is analytically derived, is surprisingly simple. Consequently, the trajectory-oriented vector control method can be applied to a number of conventional vector control systems using one of the model-matching phase estimation methods.
机译：本文提出了一种通过模型匹配相位估计方法（例如转子磁通状态观测器，反电动势状态观测器和反电动势扰动观测器）用于永磁同步电动机的无传感器驱动的估计误差的统一分析方法。估计误差的解析解（其有效性已通过数值实验得到证实）具有广泛的通用性和适用性。作为通用性和适用性的一个例子，提出了一种新的面向轨迹的矢量控制方法，该方法可以通过简单地将矢量控制坐标中的一个定向到相关的拟矢量上，直接实现最小化总损耗而无需额外计算量的准最优策略。最佳轨迹。解析得出的坐标定向规则非常简单。因此，使用一种模型匹配相位估计方法，可以将面向轨迹的矢量控制方法应用于许多常规矢量控制系统。

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