A method for determining a tyre normal force range (Fz,min, Fz,max) of a tyre force (Fz) acting on a vehicle (100), the method comprising; obtaining (S1) suspension data (310) associated with a suspension system of the vehicle (100); obtaining (S2) inertial measurement unit, IMU, data (320) associated with the vehicle (100); estimating (S3), by a suspension-based estimator (330) a first tyre normal force range (Fz1,min, Fz1,max) based on the suspension data (310); estimating (S4), by an inertial force-based estimator (340), a second tyre normal force range (Fz2,min, Fz2,max)based on the IMU data (320); and determining (S5) the tyre normal force range (Fz,min, Fz,max) based on the first tyre normal force range (Fz1,min, Fz2max) and on the second tyre normal force range (Fz2,min, Fz2,max).
A METHOD FOR ESTIMATING TYRE NORMAL FORCE
2023-05-18
Patent
Electronic Resource
English
IPC: | B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge / 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 / G01G Wägen , WEIGHING |
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