The excessively high temperature poses a significant risk to battery health, accelerating degradation and causing damage. Despite the recognized importance of battery thermal management (BTM), numerous studies in this domain often overlook the distinct timescales associated with vehicle and battery thermal dynamics. This oversight can compromise the efficacy and cost-effectiveness of BTM strategies in efficiently controlling battery temperature. This study proposes a novel predictive battery thermal and energy management (p-BTEM) strategy for connected and automated electric vehicles. The p-BTEM leverages a cloud-enabled predictive control framework to synthesize the look-ahead constant and time-varying factors, e.g., vehicle, road, and traffic information. This synthesis aims to achieve global optimization of battery temperature in the Cloud while enabling local adaptations for vehicle acceleration and compressor power on the Vehicle End. This approach ensures proactive and economical regulation of battery temperature, especially in high temperature conditions, thereby maintaining the battery within optimal temperature ranges and reducing energy consumption in dynamic traffic scenarios. To assess the effectiveness of the p-BTEM, representative route simulations are conducted utilizing real-world data. The results reveal the exceptional performance of the p-BTEM in reducing battery cooling energy when compared to two benchmark strategies, with a minimum improvement of 8.58% and 10.31%, respectively. Moreover, the sensitivity analysis is performed to elaborate on the p-BTEM under the influence of traffic, communication, and algorithmic factors.


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    Title :

    Predictive Battery Thermal and Energy Management for Connected and Automated Electric Vehicles


    Contributors:
    Dong, Haoxuan (author) / Hu, Qiuhao (author) / Li, Dongjun (author) / Li, Zhaojian (author) / Song, Ziyou (author)


    Publication date :

    2025-02-01


    Size :

    7498594 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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