The invention provides a method of diagnosing a propulsion system of a vehicle, and a system therefor. A method of diagnosing a propulsion system implements a top-down hierarchical examination procedure, in which the propulsion system is analyzed as a whole to determine if the propulsion system is healthy. Data from a first set of vehicle sensors is compared to a system-healthy data cluster to determine if the propulsion system is healthy or unhealthy. If the propulsion system is unhealthy, then a plurality of subsystems of the propulsion system are each analyzed at a first examination level using selective data from the sensors to identify one of the subsystems as an unhealthy subsystem. A plurality of component systems of the unhealthy subsystem are then analyzed at a second examinationlevel using other selective data from the sensors to identify one of the component systems of the unhealthy subsystem as an unhealthy component system.

    本发明涉及诊断车辆的推进系统的方法及其系统。诊断推进系统的方法实施自顶向下的分级检查程序,其中,对所述推进系统进行整体分析,以确定所述推进系统是否健康。将来自车辆传感器的第一集合的数据与系统健康数据集群进行比较,以确定所述推进系统健康还是不健康。如果所述推进系统不健康,则使用来自所述传感器的选择性数据在第一检查级别处各自分析所述推进系统的多个子系统,以将所述子系统中的一个识别为不健康的子系统。然后,使用来自所述传感器的其它选择性数据在第二检查级别处分析所述不健康的子系统的多个部件系统,以将所述不健康的子系统的所述部件系统中的一个识别为不健康的部件系统。


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    Title :

    METHOD OF DIAGNOSING A PROPULSION SYSTEM OF A VEHICLE, AND A SYSTEM THEREFOR


    Additional title:

    诊断车辆的推进系统的方法及其系统


    Contributors:

    Publication date :

    2020-07-24


    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 / G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



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