Recent progress in sensorless vector-controlled induction motor drives

H. Kojabadi, L. Chang, R. Doriaswami
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引用次数: 10

Abstract

This paper reports the basic concept and recent progress in sensorless vector-controlled inverter fed induction tor (IM) drives. In field oriented control, a rotational transducer such as a tachometer, an encoder or a resolver, was often mounted on the IM shaft. However, a speed sensor cannot be mounted on a shaft in some cases such as motor drives in a hostile environment or high-speed motor drives. Further, these sensors suffer from low reliability, high cost and noise. Therefore, a sensorless speed drive is increasingly employed in modern industrial applications. This paper gives a short review of sensorless vector control of an induction motor drive.
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无传感器矢量控制感应电机驱动的最新进展
本文介绍了无传感器矢量控制逆变感应驱动的基本概念和最新进展。在场定向控制中,旋转传感器,如转速表,编码器或旋转器,通常安装在IM轴上。然而,在某些情况下,速度传感器不能安装在轴上,例如恶劣环境中的电机驱动器或高速电机驱动器。此外,这些传感器还存在可靠性低、成本高、噪声大的问题。因此,在现代工业应用中越来越多地采用无传感器调速装置。本文简要介绍了感应电动机无传感器矢量控制的研究进展。
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