A Robust Unified Strategy for Maximum Torque per Ampere and Field Weakening in Permanent Magnet Synchronous Motor

被引:3
|
作者
Zuo, Kunkun [1 ,2 ]
Wang, Fengxiang [3 ]
Li, Zheng [3 ]
Ke, Dongliang [3 ]
Kennel, Ralph [1 ]
Heldwein, Marcelo Lobo
机构
[1] Tech Univ Munich, Chair High power Converter Syst, TUM Sch Engn Design, D-80333 Munich, Germany
[2] Fujian Sci & Technol Innovat Lab Optoelect Informa, Fuzhou 350108, Peoples R China
[3] Chinese Acad Sci, Quanzhou Inst Equipment Mfg, Haixi Inst, Quanzhou 362200, Peoples R China
基金
中国国家自然科学基金;
关键词
Torque; Mathematical models; Table lookup; Stators; Flowcharts; Filtering algorithms; Electromagnetics; Field weakening (FW); maximum torque per ampere (MTPA); permanent magnet synchronous motor (PMSM); ONLINE PARAMETER-ESTIMATION; MTPA CONTROL; IPMSM; PERFORMANCE; MODEL; MACHINE;
D O I
10.1109/TPEL.2024.3362869
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The intricate control structure and demanding preparations undeniably make the high precision and performance realization of maximum torque per ampere (MTPA) and field-weakening (FW) strategies challenging in the permanent magnet synchronous motor (PMSM). This article proposes a straightforward yet potent strategy to surmount this challenge. By redefining the whole control process as a convex optimization and employing the indicator function to approximate constraints, the MTPA-FW control is seamlessly realized through the calculation of a single equation online, obviating the requirement for any supplementary operation. Meanwhile, a model correction method based on the moving horizon estimator (MHE) is designed to mitigate the impact of parameter variation and enhance the calculation accuracy. The experimental results have proved the superiority of the proposed strategy.
引用
收藏
页码:5286 / 5297
页数:12
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