This paper proposes a doubly salient permanent magnet motor with external rotor in the terms of characteristics request of driving motor of electric vehicle and characteristics of doubly salient motor 摘要根据电动汽车对驱动电机性能要求，结合双凸极电机的特点，提出一种外转子结构的双凸极永磁电动机。
Doubly salient electro - magnetic motor ( dspm ) is relatively a new type of ac brushless machine , which offers an excellent balance between cost , reliability , power density and high - speed capability 电励磁双凸极电机是一种新型交流无刷电机,它具有结构简单、高可靠性、较高的能量密度和高速运行能力等优点。
The steady performances of two kinds of power converter topologies ( fullbridge converter and halfbridge converter ) are studied and compared from the angle of theoretical study and digital simulation 从理论分析和数字仿真两个角度对采用三相全桥变换器和采用三相半桥变换器的双凸极电机系统的稳态特性进行了研究和比较。
This thesis studies electro - magnetic doubly - salient motor control system from four perspectives : the basic theory , mathematic modeling and stimulation , control parameters design , and control technique implement 本文主要研究采用全桥变换器的电磁式双凸极电机调速系统的原理、数学建模、控制系统参数设计和系统控制实现。
At present , the double salient motor has received more and more research efforts . especially , the double salient permanent magnet motor ( dspm ) was introduced by a . lipo , the famouse motor control expert , in 1992 永磁式双凸极电机( dspm )是由美国著名电机专家t . a . lipo等人于1992年首先提出的，并进行了初步的理论和实验研究。
Finally , the paper gives a detailed hardware and software design of the digital speed - control system based on 80c196kb . the processes and methods of the whole speed - control system " s experiment are summarized 最后，介绍了基于单片机80c196的电励磁双凸极电机数字调速系统的硬件和软件设计，完整地归纳出整个调速系统实验的步骤和方法。
In order to improving starting operating performance of dsem , the reason of the position signal error was analyzed , and the principle of the position signal error and the influence to torque ripple has been expounded 为了改善双凸极电机起动运行性能,本文分析了电机位置信号误差产生的原因,并阐述了位置信号误差的原理以及对转矩脉动的影响。
Doubly salient motor is a new type of ac motor appeared at 1990s . presently , domestic and international researches are mainly concentrated on permanent - magnetic doubly - salient motor . embedded researches about electro - magnetic doubly - salient motor have gone on recent years 目前，国内外对双凸极电机的研究主要集中在永磁式双凸极电机，对电磁式双凸极电机的研究近年来才开始。
Because of its unique structure and outstanding characteristics , multiple - channel brushless dc generator which is made up of doubly salient electro - magnetic generator is a new kind of one . it can improve the reliability of the power - supply system for helicopters 由于电励磁双凸极电机独特的结构和优良的性能,所以由电励磁双凸极电机构成的多余度无刷直流发电机是实现高可靠性直升机电源系统较为理想的一种新型无刷电机。
The structure and starting / generating integral working principle of dsem is firstly explained in this thesis . starting control mode and generating reason of starter / generator were introduced , and the back electromotive force ( emf ) of starting state and generating state was also analyzed 本文首先阐述了电励磁双凸极电机的结构与起动/发电一体化工作原理,介绍了起动/发电机的起动控制模式和发电机理,对起动/发电机起动状态和发电状态的反电势进行了分析。
