To achieve memory usage reduction while realizing vehicle weight estimation with high accuracy.SOLUTION: A vehicle weight estimation device 10, which estimates a weight of a vehicle during travelling, has: an acceleration acquisition part 13 that acquires acceleration of a vehicle and calculates continuous average value of acceleration for a prescribed number of times; a drive power acquisition part 12 that acquires drive power of the vehicle, and calculates continuous average value of drive power for a prescribed number of times; and a vehicle weight estimation part 14 that estimates weight of the vehicle by use of an equation of motion (3) from the continuous average value of acceleration and the continuous average value of drive power.SELECTED DRAWING: Figure 1
【課題】 精度の高い車重推定を実現しながらメモリ使用量の削減をはかる。【解決手段】 走行中の車両の重量を推定する車重推定装置10は、車両の加速度を取得すると共に所定回数分の加速度の連続平均値を算出する加速度取得部13と、車両の駆動力を取得すると共に所定回数分の駆動力の連続平均値を算出する駆動力取得部12と、加速度の連続平均値と駆動力の連続平均値とから運動方程式(3)を用いて車両の重量を推定する車重推定部14と、を有する。【選択図】 図1
VEHICLE WEIGHT ESTIMATION DEVICE AND ATTENUATION FORCE ADJUSTMENT TYPE SUSPENSION DEVICE
車重推定装置および減衰力調整式懸架装置
2024-04-23
Patent
Electronic Resource
Japanese
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