电工技术学报2017，Vol.32Issue(19)：1-10,10.DOI:10.19595/j.cnki.1000-6753.tces.160956
基于矢量作用时间的永磁同步电机预测电流控制
Predictive Current Control for Permanent Magnet Synchronous Motor Based on Operating Time of Vector
摘要
Abstract
In this paper,a predictive current control based on the operating time of vector is proposed for voltage source inverter(VSI)-permanent magnet synchronous motor(PMSM) drive system.The steady state performance of the system is improved by extending the finite control set and changing the selection method of the optimal voltage vector.Firstly,the finite control set(FCS) is extended by adding the virtual voltage vectors and optimized according to the different increasing and decreasing effects of vectors on the d-axis current in each sector.Then,in order to obtain the d,q-axis operating time of each vector,making the predictive d,q-axis current values of next time equals to their expected values.The d,q-axis operating time of each vector are used to evaluate the action effects on d,q-axis current,which replaces the predictive current part in the traditional model predictive current control.Meanwhile,depending on the operating time of vector to select the optimal voltage vector,the proposed method can solve the problem that the duty cycle doesn't work effectively in the predictive current control with duty cycle modulation.Finally,the feasibility and effectiveness of the proposed approach are verified by experiments.关键词
永磁同步电机/预测电流控制/矢量作用时间/占空比调制Key words
Permanent magnet synchronous motor (PMSM)/predictive current control(PCC)/operating time of vector/duty cycle modulation分类
信息技术与安全科学引用本文复制引用
史婷娜,张维,肖萌,耿强,夏长亮..基于矢量作用时间的永磁同步电机预测电流控制[J].电工技术学报,2017,32(19):1-10,10.基金项目
国家自然科学基金项目资助(51577134,51377121). （51577134,51377121）
