At last , this paper introduced the design of hardware of the electro - magnetic doubly - salient motor speed - controlling system by full - bridge converter . the result of the debugging on the system show that the system possesses excellent running performance and prove the theoretic analysis and simulation to be right 最后本文介绍了电磁式双凸极电机调速系统的硬件设计，并对系统进行了调试，实验结果表明系统具有良好的运行性能，验证了理论分析和数字仿真的正确性。
Due to 12 / 8 poles doubly salient permanent magnet motor , planar finite element method ( fea ) is applied to analyze the magnetic field inside the motor . and a series of static characteristics are investigated , such as field distribution , air gap magnetic density , field flux , inductance , static torque 针对12 / 8极永磁式双凸极电机,采用二维平面有限元法对电机内磁场进行分析计算,研究了电机磁场分布、气隙磁密、绕组磁链、绕组电感、静态转矩等一系列电机静态特性。
At different position and current , the normal force is calculated . this will be used to determine the force harmonics and hence to calculate the vibration resulting from the normal forces . the caculation results are very helpful to the reseach of noise and vibration of doubly salient motors 本文利用vfem对双凸极电机二维电磁性能进行分析，并对不同转子位置、不同绕组电流情况下的定转子径向磁吸力进行了详细计算，从而可以进一步研究径向力所引起的振动响应，这对于双凸极电机噪声和振动的研究有非常重要的实际意义。
Meanwhile , the composition of the motor system is also given while the motor works as a starter . a mathematics model for doubly salient permanent magnet motor is constructed from the view of conversation of energy . on the base of linear disposal for permanent magnetic flux , some control strategies are put forward such as control mode i , angular advance control mode and control mode ii 首先介绍了所研究的双凸极电机结构以及电动运行时系统构成情况,从能量守恒的角度构建了永磁式双凸极电机的数学模型,在永磁磁链线性化处理的基础上提出了控制方式一、角度提前方式、控制方式二等电动运行方式,并建立了各电动运行方式的模态方程,是对双凸极电机进行进一步研究的基础。
Third , this thesis analyzes the angle - control theory based on half bridge converter , and proposes a new way to find the optimized angle . simulation is performed to verify the results . then , this thesis introduces the hardware and software design of the digital control system of doubly salient electro - magnetic motor , which mainly discusses the speed and current loops and angle optimization control 再次,本文介绍了角度控制与电机转向的关系,并对基于半桥变换器的电励磁双凸极电动机换相角与相电流及输出转矩的关系进行了理论分析和仿真验证,提出了优化电励磁双凸极电机换相角的方法。
The design of a digital voltage regulator with built - in - test function using doubly salient electro - magnetic motor is also introduced . prototypes of doubly salient electro - magnetic motor control system is set up . the experiment results are obtained on the prototypes , which prove that the theories and analysis are correct 最后,对电励磁双凸极电机电动控制器试验验证系统进行了实验,实验结果表明实验系统具有良好的性能,验证了理论分析和数字仿真以及系统软、硬件设计的正确性。
First , this paper outlines the structure , the basic operation principle , static characteristic and mathematic model of the novel double salient electro - magnetic motor . with the help of matlab , the paper set up the dynamic simulative model of the high voltage dc generating system based on the generator . some examples are simulated on this model 本文首先简要介绍了新型电励磁双凸极电机的结构、基本工作原理、静态特性、数学模型，利用matlab建立了电励磁双凸极高压直流发电系统的动态仿真模型，给出了仿真实例。
Doubly salient permanent magnet ( dspm ) motor system is a kind of controllable variable - speed system , and it was proposed in last 90 ’ s along with the development of power electronics and permanent materials . vast researches have been done on the kind of motor by many scholars from various countries . and various kinds of structure for the motor are proposed , including doubly salient electromagnetic ( dsem ) motor 永磁式双凸极电机是随着电力电子及永磁材料的发展而在上世纪九十年代出现的一种可控交流调速系统,各国学者对此进行了大量的研究工作,提出了各种结构形式的永磁式双凸极电机,以及电励磁式双凸极电机。
