| 康劲松， 薛梦觉.电动汽车IPMSM弱磁控制技术[J].电气自动化,2014,36(1):30~332,46 |
| 电动汽车IPMSM弱磁控制技术 |
| Flux weakening Control Technology for IPMSM Electric Vehicles |
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| DOI： |
| 中文关键词: 电动汽车 IPMSM 弱磁控制 仿真 TMS320F28335平台 |
| 英文关键词:electric vehicle IPMSM flux weakening control simulation TMS320F28335 platform |
| 基金项目: |
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| 中文摘要: |
| 针对电动汽车IPMSM的弱磁控制，提出一种弱磁切换的工程应用方法。根据IPMSM的数学建模和约束条件分析，划分其工作区段以及转折点。基速以下采用最大转矩电流比控制(MTPA)来减小损耗提高效率，同时检测交直轴电压分量并与限定电压值比较，在转折点实现弱磁算法的切换。通过分析IPMSM的弱磁运行轨迹，在MATLAB中建模对控制算法和电动汽车运行工况进行仿真，验证控制策略的可行性。最终采用TMS320F28335数字芯片搭建电动汽车驱动控制系统平台，延伸扩展达到工程应用的目的。 |
| 英文摘要: |
| For flux weakening control of IPMSM electric vehicles, this paper puts forward a flux weakening switching method for engineering application. According to IPMSM mathematical modeling and constraints, its operational areas and turning points are defined. For speeds below the basic speed, the maximum torque per ampere (MTPA) control is used to reduce loss and raise efficiency, and voltage components in different axis are inspected and compared with voltage limits to realize switching of flux weakening algorithm at turning point. Based on analysis of IPMSM flux weakening operational traces, a model is established in MATLAB to simulate the control algorithm and operational conditions of electric vehicles and to verify the feasibility of the control strategy. Finally, digital control chip TMS320F28335 is used to build a drive control system platform for electric vehicles and to serve the purpose of engineering applications after expansion. |
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