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.
脉振磁场永磁低速同步电动机是一种新结构原理的电机。
The pulsating magnetic field PM low speed synchronous motor is a type of PMSM with novel structure and principle.
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.
并针对低速大转矩永磁同步电动机的特点采用基于ANSYS软件的分析方法，计算了不同转子位置时电机的输出转矩。
According to the feature of low-speed and high-torque permanent magnetic synchronous machine, the output torques are also calculated in different positions based on the ANSYS software.
分析结果表明，这种新型永磁电机的制造工艺相对简单，适合中小功率低速直接驱动要求。
Results show that this novel TFPMM producing technics is relatively and it meets the requirements of direct driving in low power occasion.
总结了低速直驱型永磁风力发电机发电系统的优越性。
Then it's known that the low speed direct-driven permanent magnetism generation of wind power system is superiority straight.
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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