基于等效滑膜控制的永磁同步电机矢量控制  

The Equivalent Sliding Mode Control Based on SVPWM Control for PMSM

作　　者：宋海良[1] 唐勇奇[2] 董明[1] 王冰洁[2] 

机构地区：[1]湖南工业大学电气与信息工程学院,株洲412008 [2]湖南工程学院电气信息学院,湘潭411101

出　　处：《湖南工程学院学报（自然科学版）》2013年第4期5-8,共4页Journal of Hunan Institute of Engineering(Natural Science Edition)

基　　金：湖南省科技计划资助项目(2011GK3143)

摘　　要：针对永磁同步电机在直接转矩控制中存在的磁链和转矩脉动等问题,提出了一种基于矢量控制和等效滑模变结构相结合的控制方法,在等效滑模变结构中采用等效控制保证系统状态在滑模面上,用切换控制项保证系统的状态不离开滑模面,使系统处于一个动态稳定的状态。仿真结构表明该方法具有使系统响应速度快、超调小、对外部的负载扰动和参数变化鲁棒性强等优点。This paper presents the equivalent sliding mode variable structure control strategy in vector con- trol of PMSM to avoid flux and torque ripple in direct torque control of PMSM. In the equivalent sliding mode control, the equivalent control is a dapfed to ensure the system state on sliding surface. The switching control is used to assure the system status without leaving the sliding surface, which can beep the system in a dynamic and steady state. Simulation results show that the system has characteristics a fast response speed, small overshooting and robustness to external load disturbances and parameter variations.

关 键 词：永磁同步电机 滑膜变结构控制 矢量控制 

分 类 号：TM301.2[电气工程—电机]