无速度传感器异步电机矢量控制系统是目前电气传动系统中研究热点之一。

Nowadays, the speed sensorless vector control system of induction motor is one of the hot topics in the field of electric drive system.

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现代电气传动是电机、电力电子、控制理论、计算机技术等相互融合而形成的一门新型交叉学科。

Modern electrical drive is an interdiscipline composed of many different fields, such as electric machinery, power electronics, control theory and computer technology.

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由于异步电机交流变频调速有着明显的节能功效，以及可以实现连续调速等诸多优点，已成为电气传动领域的研究热点之一。

In the field of electric driving, the adjustable speed control of AC asynchronous motor by inverter was a hot spot because of its energy saving function.

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