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标题：基于dSPACE平台的PMSM矢量控制弱磁增速算法研究 |
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作者：郭东山，杨亚洲 |
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| 2016年第12期 访问次数：311次 |
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摘要：在永磁同步电机驱动领域，矢量控制是典型的控制方案，常用的电流策略有id=0控制和MTPA控制。由于逆变器性能的限制，电机达到基速后继续提速，转矩将迅速下降。为了拓宽电机的调速范围，提出了基速以上采用弱磁增速进行优化的方案。在Matlab环境下建立弱磁控制系统的模型并进行仿真，分析得知电机电流矢量达到了预先设计的弱磁运动轨迹。基于dSPACE平台搭建了弱磁增速矢量控制算法控制模型，对电机实物进行控制，试验结果验证本文所提出优化方案的可行性和有效性。
关键词：矢量控制；MTPA；弱磁增速；dSPACE
Abstract: The Field Oriented Control (FOC) is typical control scheme in the field of PMSM drive. The common current control strategies have id=0 control and MTPA control. Because of the limitation of inverter performance, the torque will decline rapidly if the motor continues to speed up after reaching base speed. In order to broaden the motor speed range, put forward the use of field weakening method to optimize system when motor above the base speed. Established model of field weakening control system in Matlab environment,analysis shows that the path of motor current vector reaches the predesigned field weakening locus. Based on dSPACE platform, built the algorithm control models of field weakening speedup FOC to control physical motor. The results verified the feasibility and effectiveness of the improved schemes proposed in this paper.
Key words: FOC; MTPA; field weakening speedup; dSPACE |
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