To provide a vehicle height control device which allows for reduction of discomfort of an occupant when a vehicle moves over a projected portion of a road surface.SOLUTION: A vehicle height control device comprises: a projected portion detection unit 12 detecting a projected portion of a road surface in front of a vehicle 1 and detecting the height of the projected portion; at least one vehicle height detection unit 13 detecting, as a vehicle height, distance between the vehicle height detection unit and the road surface in a direction perpendicular to the road surface; a front vehicle height actuator 2 changing the vehicle height at the front of the vehicle 1; a rear vehicle height actuator 3 changing the vehicle height at the rear of the vehicle 1; and a vehicle height control unit 4 changing the height of a vehicle body lower portion from the road surface higher than the height of the projected portion of the road surface when the vehicle 1 passes through the projected portion of the road surface, and controlling at least one of the front vehicle height actuator 2 and the rear vehicle height actuator 3 so that the changed height is maintained while the vehicle passes through the projected portion.SELECTED DRAWING: Figure 1
【課題】路面の凸部を乗り越える際の乗員の不快感を軽減させることができる車高制御装置を提供すること。【解決手段】車両1の前方の路面の凸部を検出し、当該凸部の高さを検出する凸部検出部12と、自身と路面との路面に垂直な方向の距離を車高として検出する少なくとも一つの車高検出部13と、車両1の前部の車高を変化させる前部車高アクチュエータ2と、車両1の後部の車高を変化させる後部車高アクチュエータ3と、車両1が路面の凸部を通過するとき、車体下部の路面からの高さを凸部の高さより高い位置にし、凸部を通過する間はその高さを保持するように前部車高アクチュエータ2及び後部車高アクチュエータ3の少なくとも一方を制御する車高制御部4と、を備える。【選択図】図1
VEHICLE HEIGHT CONTROL DEVICE
車高制御装置
2021-08-05
Patent
Electronic Resource
Japanese
IPC: | B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge |
VEHICLE HEIGHT CONTROL DEVICE AND VEHICLE HEIGHT CONTROL METHOD
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