同步磁阻电机dq轴交叉耦合饱和电感模型参数寻优方法

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摘要同步磁阻电机的直轴电感L_d与交轴电感L_q随直轴电流i_d与交轴电流i_q的非线性变化,极大地影响矢量控制特性。同步磁阻电机驱动器中用8个常数构建了电机dq轴交叉耦合饱和电感模型,为了推算其最优参数,在横向叠片各向异性转子同步磁阻电机的设计参数基础上,采用小电流常规方法测量L_d、L_q电感值,建立带权重的最小方均差模型,并针对不同目标函数设定相应的权重,采用改进和声搜索优化算法进行迭代,获得了与电机真实信息较为接近的优化解。其有效性通过电机对拖负载实验得以验证。

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	仇一鸣
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关键词 ：同步磁阻电机, 交直轴电感, 交叉耦合饱和, 参数优化, 和声搜索

Abstract：The performance of vector controlled system is greatly influenced by the non-linear changes of d axis inductance L_d and q axis inductance L_q of a synchronous reluctance motor according to different d axis and q axis current. The dq axis cross-coupling saturation inductor model was constructed with 8 constants in a synchronous reluctance motor driver. In order to find the optimal parameters, based on the design parameters of a transversally laminated anisotropic rotor synchronous reluctance motor, the measurement results of L_d & L_q were measured by general small current method, and a minimum average variance model was established. In addition, the weights were set up for different objective functions. An improved harmony search optimization algorithm was used, and thus the optimal solution was obtained, which was close to the real information of the motor. The method was proved in a load test.

Key words： Synchronous reluctance motor dq axis inductance cross-coupling magnetic satura- tion parameter optimization harmony search

收稿日期: 2015-09-06 出版日期: 2017-03-01

PACS:

TM352

基金资助:国家自然科学基金资助项目（71371142、61174183、91546115和71540022）

通讯作者: 汪镭男,1970年生,博士,教授,博士生导师,研究方向为智能计算、智能自动化及系统工程。E-mail: wanglei@tongji.edu.cn

作者简介: 仇一鸣男,1970年生,博士研究生,高级工程师,研究方向为智能算法与交流传动系统研究与应用。E-mail: betrieb@139.com

引用本文:

仇一鸣, 康琦, 汪镭, 吴启迪. 同步磁阻电机dq轴交叉耦合饱和电感模型参数寻优方法[J]. 电工技术学报, 2017, 32(4): 85-92. Qiu Yiming, Kang Qi, Wang Lei, Wu Qidi. A Parameter Optimization Method for dq Axis Inductance Model of Synchronous Reluctance Motors Considering Cross-Coupling Magnetic Saturation. Transactions of China Electrotechnical Society, 2017, 32(4): 85-92.

链接本文:

https://dgjsxb.ces-transaction.com/CN/Y2017/V32/I4/85

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