考虑定位力矩补偿的磁通切换永磁电机模型预测转矩控制方法

doi:10.19595/j.cnki.1000-6753.tces.L70654

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摘要为了减小定位力矩对磁通切换永磁(FSPM)电机性能的影响,提出了一种考虑定位力矩补偿功能的模型预测转矩控制(MPTC)方法。通过有限元分析获得FSPM电机定位力矩主要谐波的数学表达式,根据补偿控制理论,构建能够抵消定位力矩的补偿转矩模型。基于MPTC原理,利用补偿转矩模型、预测转矩模型和预测磁链模型共同设计价值函数,以获得最优开关状态。所提控制方法不但能实现定位力矩补偿和转矩脉动抑制,还具有较好的动态性能,并且适用于一般的永磁同步电机。仿真和实验结果验证了所提控制方法的有效性。

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	黄文涛
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	於锋

关键词 ：磁通切换永磁电机, 定位力矩补偿, 模型预测转矩控制, 转矩脉动

Abstract：To alleviate the influence of the cogging torque,this paper develops a model predictive torque control (MPTC) scheme with cogging torque compensation for flux-switching permanent magnet (FSPM) machines.Firstly,the mathematical expression of the main harmonic components of cogging torque is obtained by finite element analysis.Then,according to the compensating control theory,a cogging-torque-compensating model is constructed to counteract the cogging torque.Further,based on the MPTC method,the cogging-torque-compensating model,the predictive torque model and the predictive flux model are employed to design the cost function.Both simulations and experiments verify that the developed control scheme not only compensates the cogging torque and suppresses the torque ripple,but also offers good dynamic performances.It should be emphasized that it is also applicable to conventional permanent magnet synchronous machines.

Key words： Flux-switching permanent magnet machine cogging torque compensation model predictive torque control (MPTC) torque ripple

收稿日期: 2016-08-20 出版日期: 2017-08-18

PACS:

TM351

基金资助:江苏省科技支撑计划(工业部分)资助项目(BE2014114)。

作者简介: 黄文涛男,1989年生,博士研究生,研究方向为永磁同步电机预测控制。E-mail:hwt109@126.com(通信作者)花为男,1978年生,教授,博士生导师,研究方向为新型永磁电机本体分析设计与控制等。E-mail:huawei1978@seu.edu.cn

引用本文:

黄文涛，花为，於锋. 考虑定位力矩补偿的磁通切换永磁电机模型预测转矩控制方法[J]. 电工技术学报, 2017, 32(15): 27-33. Huang Wentao， Hua Wei， Yu Feng. A Model Predictive Torque Control Scheme for Flux-Switching Permanent Magnet Machines with Cogging Torque Compensation. Transactions of China Electrotechnical Society, 2017, 32(15): 27-33.

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