The embodiment of the invention relates to the technical field of vehicle state parameter estimation, and discloses a vehicle state parameter calculation method and device, and the state parameters comprise a longitudinal vehicle speed value of a vehicle; the method comprises the steps that the working condition of the vehicle is determined; the working conditions comprise a stable working condition and an unstable working condition; calculating a first estimated vehicle speed value of the vehicle under a stable working condition; calculating a second estimated vehicle speed value of the vehicle under an unstable working condition; and fusing the first estimated vehicle speed value and the second estimated vehicle speed value to obtain a longitudinal vehicle speed value of the vehicle. Calculation is carried out in the mode, the actual running state of the vehicle can be fit, the deviation and error of calculation can be reduced, the calculation precision is improved, and the calculation requirement of an existing vehicle is met.
本发明实施例涉及车辆状态参数估算的技术领域,公开了一种车辆状态参数的计算方法及装置,所述状态参数包括:所述车辆的纵向车速值;该方法包括:确定所述车辆的工况;所述工况包括:稳定工况和不稳定工况;计算所述车辆处于稳定工况下的第一估算车速值;计算所述车辆处于不稳定工况下的第二估算车速值;融合所述第一估算车速值和所述第二估算车速值,得到所述车辆的纵向车速值。通过上述方式进行计算,可以贴合车辆的实际运行状态,能减少计算的偏差和误差,以提升计算的精度,并满足现有车辆的计算需求。
Vehicle state parameter calculation method and device
一种车辆状态参数的计算方法及装置
03.01.2025
Patent
Elektronische Ressource
Chinesisch
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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