The height of a vehicle can be estimated inexpensively by: detecting a wheel speed, which is a speed of each wheel (step ST11); performing frequency analysis of the detected wheel speed of a pair of left and right wheels and calculating respective wheel speed characteristics of the left and right wheels at a gain-specific frequency (step ST12); calculating a left-right wheel speed gain difference on the basis of the calculated wheel speed characteristics of the left and right wheels (step ST13); and estimating the vehicle height on the basis of a corresponding relationship between a wheel height of the wheel with respect to a vehicle body and a value (wheel speed/road surface input gain) that is based on wheel speed and a road surface input that is inputted from the road surface to the wheels, and on the basis of the left-right wheel speed gain difference (step ST14).
VEHICLE HEIGHT ESTIMATION DEVICE AND VEHICLE HEIGHT ESTIMATION METHOD
VORRICHTUNG ZUR SCHÄTZUNG EINER FAHRZEUGHÖHE UND VERFAHREN ZUR SCHÄTZUNG EINER FAHRZEUGHÖHE
DISPOSITIF D'ESTIMATION DE HAUTEUR D'UN VÉHICULE ET PROCÉDÉ D'ESTIMATION DE HAUTEUR D'UN VÉHICULE
2020-04-22
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 / G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS , Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen / G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK , Messen der Linear- oder Winkelgeschwindigkeit, der Beschleunigung, der Verzögerung oder des Stoßes |
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