增程电动汽车发动机多工作点控制策略研究

2023 6th International Conference on Energy, Electrical and Power Engineering (CEEPE) Pub Date : 2023-05-12 DOI:10.1109/CEEPE58418.2023.10167122

Wen Wang, Wenbo Li, Fufan Qu, Jiawen Cai, Peng Wang, Hong-Yang Zheng

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引用次数: 0

摘要

针对增程电动汽车发动机工作状态控制对整车燃油经济性的影响问题，研究了增程电动汽车发动机多工作点控制策略。首先，建立了增程式电动汽车的驱动电机模型、发电机模型、发动机模型和动力电池模型;在MATLAB/Simulink平台上建立了整车控制模型和发动机多工作点控制模型。通过与VPAT的联合仿真，验证了整车控制策略和发动机多点控制策略在WLTC工况下的有效性。结果表明，在WLTC工况下，与单工作点控制策略相比，百公里油耗降低约2%，能源综合利用效率提高约3%，达到了预期效果。

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Research on Multi-operating Point Control Strategy of Extended Range Electric Vehicle Engine

Aiming at the problem of the influence of the control of the operating state of the extended-range electric vehicles (EREVs) engine on the fuel economy of the whole vehicles, this paper studies the multi-operating point control strategy of the extended-range electric vehicles engine. Firstly, the driving motor model, generator model, engine model and power battery model of extended range electric vehicles are established. Further, the vehicle control model and engine multi-operating point control model are built on the MATLAB/Simulink platform. Through co-simulation with VPAT, The effectiveness of vehicle control strategy and engine multi-point control strategy is verified in WLTC operating condition. The results show that the fuel consumption per 100 km is about 2% lower and the comprehensive energy utilization efficiency is 3% higher than that of the single working point control strategy under WLTC condition, and the expected effect is achieved.

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来源期刊

2023 6th International Conference on Energy, Electrical and Power Engineering (CEEPE)

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