电气开关磁阻电机控制策略分析

111Equation Chapter 1 Section 1开关磁阻电机控制策略讨论 摘要：开关磁阻电机驱动系统(SRD)是近 20 年得到迅速进展的一种沟通调速系统。其结构简单、工作可靠、效率高和成本较低等优点而具有相当的竞争力。本文首先介绍了开关磁阻电机控制策略的讨论现状和趋势，推导了开关磁阻电机的数学模型，然后详细介绍了两步换相控制、基于转矩分配函数的转矩控制、智能控制、直接瞬时转矩控制等控制策略。又基于 Matlab/Simulink 仿真验证了开通角、关断角对电机电流转矩的影响，最后得出以转矩为控制对象的新型控制策略仍将进一步进展。关键词：开关磁阻电机；转矩分配函数；直接瞬时转矩控制；Control Method of Switch Reluctant Motor‘Abstract: Switched reluctance motor drive system (SRD) is a kind of ac speed regulating system with nearly 20 years rapid development .Its simple structure, reliable operation, high efficiency and low cost advantages are quite competitive.This dissertation first introduces the research status and the control strategy of the switched reluctance motor trend, the mathematical model of the switch magneto is deduced, and then introduced the two-step commutation control, based on the torque distribution function of torque control, intelligent control, direct instantaneous torque control and so on.And based on the Matlab/Simulink ,the influence of the opening Angle, shut off the Angle to the motor torque were verified, finally concluded that the new control strategy will continue to develop further with the torque as the object.Key words: switched reluctant motor; torque share function ; direct instantaneous torque control(DITC) 1 引言开关磁阻电机结构简单、成本低廉、坚固耐用、可靠性高；调速围宽和启动性能优[1-3]。但是由于其双凸极结构和其高度非线性，造成了开关磁阻电机控制的复杂性，制约了其在一定领域中的应用。本文先介绍了开关磁阻电机的相关背景，推导了开关磁电机的数学模型，然后详细介绍了两步换相控制、基于转矩分配函数的转矩控制、智能控制、直接瞬时转矩...