This application provides a vehicle status parameter estimation method and apparatus, and relates to the field of automotive control technologies. The method includes: obtaining driving status data of a vehicle, a first process status x, and a first process covariance Q; determining a second process covariance Q(k) and a first measurement covariance R(k) based on the driving status data of the vehicle; obtaining a first measurement value yh of a vehicle sensor; and determining a vehicle status parameter of the vehicle based on the first measurement value yh, the first process status x, the first process covariance Q, the second process covariance Q(k), and the first measurement covariance R(k). In this application, in a process of estimating the vehicle status parameter, the process covariance and the measurement covariance are adaptively adjusted based on the driving status data, and then an adjusted process covariance and measurement covariance are used for a vehicle status estimation, so that estimation precision of the vehicle status parameter can be improved.


    Access

    Download


    Export, share and cite



    Title :

    VEHICLE STATE PARAMETER ESTIMATION METHOD AND APPARATUS


    Additional title:

    VERFAHREN UND VORRICHTUNG ZUR SCHÄTZUNG VON FAHRZEUGSTATUSPARAMETERN
    PROCÉDÉ ET APPAREIL D'ESTIMATION DE PARAMÈTRE D'ÉTAT DE VÉHICULE


    Contributors:
    LIU DONGHAO (author) / LUO JIE (author) / ZHANG YONGSHENG (author)

    Publication date :

    2024-10-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / 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



    VEHICLE STATUS PARAMETER ESTIMATION METHOD AND APPARATUS

    LIU DONGHAO / LUO JIE / ZHANG YONGSHENG | European Patent Office | 2024

    Free access

    Vehicle state estimation method based on parameter identification

    DU CANJIE / YIN ZHIHONG / SHANGGUAN WENBIN | European Patent Office | 2023

    Free access


    State and Parameter Estimation for Vehicle Dynamics

    Naets, Frank | Springer Verlag | 2021