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.
VEHICLE STATE PARAMETER ESTIMATION METHOD AND APPARATUS
VERFAHREN UND VORRICHTUNG ZUR SCHÄTZUNG VON FAHRZEUGSTATUSPARAMETERN
PROCÉDÉ ET APPAREIL D'ESTIMATION DE PARAMÈTRE D'ÉTAT DE VÉHICULE
2024-10-23
Patent
Electronic Resource
English
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 |
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