The invention discloses a method for determining a vehicle working mode based on a 'dynamic/potential energy-vehicle-mounted energy' conservation framework, which comprises the following steps: step 1, acquiring a vehicle running speed and road altitude, discretizing an SOC feasible region of a vehicle-mounted power battery, determining delta SOC and the number of discrete points, and acquiring anSOC matrix; 2, reasonably and feasibly combining external factors and internal factors on the basis of the 'dynamic/potential energy-vehicle-mounted energy' conservation framework to form triggeringconditions of controllable parts of the vehicle power system, and determining the unique working mode of the controllable parts of the vehicle power system corresponding to each triggering condition.The 'dynamic/potential energy-vehicle-mounted energy' conservation framework is provided from the perspective of energy, decoupling of each triggering condition and a vehicle working mode is achieved,so that the unique working mode of a vehicle power system controllable component corresponding to each triggering condition is determined, sliding and potential energy conversion are fully utilized to reduce fuel consumption, and the fuel economy of the whole vehicle is improved.

    本发明公开一种基于“动/势能‑车载能量”守恒框架确定车辆工作模式的方法,包括:步骤一、获取车辆行驶车速和道路海拔,并对车载动力电池进行SOC可行域的离散,确定ΔSOC及离散点数量,获得SOC矩阵;步骤二、基于“动/势能‑车载能量”守恒框架,将外部因素和内部因素合理可行地组合,形成车辆动力系统可控部件的触发条件,确定各触发条件下对应的车辆动力系统可控部件的唯一工作模式。本发明从能量的角度提出“动/势能‑车载能量”守恒框架,实现各触发条件与车辆工作模式的解耦,以确定各触发条件下对应的车辆动力系统可控部件的唯一工作模式,并充分利用滑行和势能转化以降低燃油消耗,提高整车燃油经济性。


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    Titel :

    Method for determining vehicle working mode based on 'dynamic/potential energy-vehicle-mounted energy' conservation framework


    Weitere Titelangaben:

    一种基于“动/势能-车载能量”守恒框架确定车辆工作模式的方法


    Beteiligte:
    XU NAN (Autor:in) / KONG YAN (Autor:in) / ZHAO DI (Autor:in) / CHU LIANG (Autor:in) / YANG ZHIHUA (Autor:in) / SUI YAN (Autor:in)

    Erscheinungsdatum :

    2020-04-21


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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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