摘要
双转子永磁磁阻型(DRPMR)电机兼具高功率密度和优异的散热性能,在双转子混合动力驱动系统中展现出应用潜力。然而,在混合动力汽车复杂工况下,驱动系统内部电磁与机械耦合特性为其高性能控制带来了挑战。因此,该文提出一种双转子混合动力系统协调控制策略。首先,分析DRPMR电机的结构特点,并通过引入旋转隔离空间实现了系统机械解耦;然后,融合能量管理系统与DRPMR电机控制策略,设计了双转子混合动力系统协调控制策略。最后,通过特定工况仿真和多种工作模式实验验证,证明了所提控制策略的有效性。
A dual-rotor hybrid powertrain can be used to replace a conventional planetary gear structure and offers desired performance in improving powertrain operation efficiency,reliability,and compactness.Due to its advantages of high-power density and good heat dissipation,the dual-rotor permanent magnet reluctance(DRPMR)machine has great potential in a dual-rotor hybrid powertrain.However,the complex coupling relationship of the dual-rotor hybrid powertrain poses a challenge for its high-performance control under multiple operating conditions of hybrid electric vehicles.The electromagnetic coupling between the inner and outer machines may increase electromagnetic loss and weaken the output torque.Furthermore,the lower torsional stiffness of the DRPMR machine may result in a shift in the engine's working point.This paper proposes a coordination control strategy for the dual-rotor hybrid powertrain.Firstly,the structural characteristics of the DRPMR machine are analyzed,and mechanical decoupling of the dual-rotor machine is realized through the rotational isolation space.Secondly,based on the energy management system and the model of the DRPMR machine,the power coordination control strategy of the dual-rotor hybrid powertrain is designed.Based on nonlinear model predictive control,the dynamic characteristics of the powertrain are taken into account.To reduce the control complexity,the inequality constraints of the optimization problem are merged into a single constraint related to the engine's power.Finally,the effectiveness of the coordinated control strategy of the dual-rotor hybrid powertrain is demonstrated through system simulation under two specific operating conditions and experimental verification under three different operating modes.The following conclusions can be drawn from the simulation and experimental analysis.A power coordination control strategy is proposed for dual-rotor hybrid powertrains.The structural characteristics of the DRPMR machine and its influence on the control of the dual-rotor hybrid powertrain are analyzed.The power-coordinated control strategy enables the optimal power point operation of the engine and dynamic compensation of the output torque by the dual-rotor machine.Simulation and experimental results show that the dual-rotor hybrid powertrain operates stably,proving the feasibility and effectiveness of the coordinated control strategy.
作者
杨哲
杜锦华
张博研
郭明明
梁得亮
Yang Zhe;Du Jinhua;Zhang Boyan;Guo Mingming;Liang Deliang(State Key Laboratory of Electrical Insulation and Power Equipment Xi’an Jiaotong University,Xi’an 710049 China;Yangzhou Power Supply Company of State Grid Jiangsu Electric Power Co.Ltd,Yangzhou 225000 China)
出处
《电工技术学报》
2025年第22期7225-7237,共13页
Transactions of China Electrotechnical Society
基金
国家自然科学基金面上项目(52277065)
西安市科技计划项目(24GXFW0042)资助。
作者简介
杨哲,男,1999年生,硕士,研究方向为混合动力汽车能量管理与电机驱动控制。E-mail:3122304024@stu.xjtu.edu.cn;通信作者:杜锦华,女,1984年生,教授,博士生导师,研究方向为电机设计及控制。E-mail:jinhuadu@mail.xjtu.edu.cn。
