一种新的稳定的基于mras的低速矢量控制异步电动机速度和定子电阻估计器

38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003. Pub Date : 2003-10-12 DOI:10.1109/IAS.2003.1257700

M. Rashed, F. Stronach, P. Vas

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引用次数: 28

摘要

文献中讨论的基于mras的无传感器矢量控制异步电机方案存在纯积分问题、不稳定性问题和低速运行时对定子电阻失配的敏感性问题。本文提出并设计了一种基于电流估计的新型稳定MRAS速度和定子电阻估计器。这些估计器已被设计为在各种工作模式下稳定，用于单独和同时使用，遵循基于线性控制理论的设计程序。仿真和实验研究表明了所提估计器的稳定性。

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A new stable MRAS-based speed and stator resistance estimators for sensorless vector control induction motor drive at low speeds

MRAS-based sensorless vector control induction motor schemes discussed in the literature suffer from pure integration problems, instability problems and sensitivity to stator resistance mismatch at low speed operation. In this paper, novel stable MRAS speed and stator resistance estimators based on current estimation have been proposed and designed. These estimators have been designed to be stable in the various operating modes, for individual and simultaneous use, following a design procedure based on linear control theory. Simulations and experimental investigations have been performed to show the stability of the proposed estimators.

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38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003.

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