电机与控制应用2018，Vol.45Issue(2)：19-24,6.
永磁同步电机有限集模型预测直接转矩控制
Direct Torque Control of PMSM with Modified FCSMPC
摘要
Abstract
The model predictive direct torque control (DTC) of permanent magnet synchronous motor (PMSM) system had many problems,such as large torque ripple,constant switching frequency.A new scheme of direct torque control for PMSM based on finite control set model was proposed.The eight voltage vectors of the two-level converter were utilized as a finite control set for the torque prediction of the PMSM.A cost function considering the torque error,the maximum torque per ampere and the current limitation was introduced.The cost function was used to estimate the duty cycle of each voltage vector.Thus the optimal voltage vector could be obtained from eight voltage vectors and their duty cycles.Compared with the traditional model predictive control,the proposed method had small harmonic current and torque ripple,and had excellent dynamic performance.Simulation results were presented to verified the performance of the proposed control scheme.关键词
直接转矩控制/有限集模型预测/占空比/最大转矩电流比/永磁同步电机Key words
direct torque control (DTC)/finite control set mode predictive control/duty cycle/maximum torque per ampere/permanent magnet synchronous motor (PMSM)分类
信息技术与安全科学引用本文复制引用
包广清,何婷,刘小宝..永磁同步电机有限集模型预测直接转矩控制[J].电机与控制应用,2018,45(2):19-24,6.基金项目
甘肃省科技支撑计划项目(1604GKCA021) （1604GKCA021）
大型电气传动系统与装备技术国家重点实验室资助项目(SKLLDJ032016018) （SKLLDJ032016018）
