介绍了一种极低速段永磁同步电机无速度传感器矢量控制方法。
A sensorless vector control method for permanent magnet synchronous motor (PMSM) drive at very low speed was presented.
首先对低速永磁直线同步电机的异步稳态运行状态进行了分析，从理论上推导了异步稳态的电磁力的公式以及它对电机起动特性的影响。
At first, the asynchronous steady state of LPMLSM is analyzed, the formula of magnetic force under this state and the influences on motor starting is deduced in theory.
本文以低速大转矩永磁同步电机作为研究对象，从电机设计与控制技术相结合的角度出发，着重进行了永磁同步电机驱动控制和优化设计两方面的研究。
Centreing around the permanent magnet synchronous motor, two parts of researches on the motor optimization design and the drive control are systematically introduced in this dissertation.
本文以低速大转矩永磁同步电机作为研究对象，从电机设计与控制技术相结合的角度出发，着重进行了永磁同步电机驱动控制和优化设计两方面的研究。
Centreing around the permanent magnet synchronous motor, two parts of researches on the motor optimization design and the drive control are systematically introduced in this dissertation.
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