The invention discloses a layered intelligent network connection heavy vehicle auxiliary fuel saving method and system. The method comprises the steps that traffic environment information and vehicle parameter information are obtained in real time through the V2X technology; establishing an optimization problem model, constructing a layered decoupling framework, and decomposing the established optimization problem model to obtain two optimization sub-problems; solving an optimal vehicle speed spectrum and a driving force/braking force spectrum of the heavy vehicle by utilizing a dynamic programming algorithm; and a dynamic programming algorithm is used for optimizing a heavy vehicle gear shifting strategy, and vehicle auxiliary fuel saving is completed. The method can effectively solve the problems that an existing related algorithm is low in solving efficiency and large in calculation load, the algorithm operation time is greatly saved while the oil saving effect is guaranteed, and the method has positive significance on oil saving technology research of heavy vehicles.

    本发明公开了一种分层式智能网联重型车辆辅助节油方法、系统,该方法包括利用V2X技术实时获取交通环境信息与车辆参数信息;建立优化问题模型,构建分层式解耦框架,将建立的优化问题模型进行分解,得到两个优化子问题;利用动态规划算法求解重型车辆的最优车速谱与驱动力/制动力谱;利用动态规划算法对重型车辆换挡策略进行优化,完成车辆辅助节油。本发明能够有效解决现有相关算法求解效率低、计算负载大的问题,在保证节油效果的同时,大幅节省算法运行时间,对重型车辆的节油技术研究具有积极意义。


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    Title :

    Layered intelligent network connection heavy vehicle auxiliary fuel saving method and system


    Additional title:

    一种分层式智能网联重型车辆辅助节油方法、系统


    Contributors:
    SHI YUNKE (author) / WANG YIKUN (author) / ZHUANG WEICHAO (author) / LIU SHUAIPENG (author) / QIU CHUNLONG (author) / LI JINHUI (author) / LI BINGBING (author)

    Publication date :

    2024-12-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



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