To suppress deterioration of vehicle ride quality.SOLUTION: A wheel speed estimation device includes an estimation part for calculating an estimate value of wheel speed by using a drive system model obtained by modeling a drive system of a vehicle, a determination part for determining whether the drive system model is to be corrected or not based on likelihood on a measured value of the wheel speed, and a correction part in which, when determined that correction is performed by the determination part, the drive system model is corrected based on an error between the measured value and the estimate value, on the other hand, when determined that correction is not performed by the determination part, correction of the drive system model is discontinued.SELECTED DRAWING: Figure 2
【課題】車両の乗り心地の悪化を抑制する。【解決手段】車輪速度推定装置が、車両の駆動系をモデル化した駆動系モデルを用いて車輪の速度の推定値を算出する推定部と、車輪の速度の測定値に関する尤度に基づいて駆動系モデルの補正を行うか否かを判定する判定部と、判定部によって補正を行うと判定された場合、測定値と推定値との誤差に基づいて駆動系モデルを補正し、判定部によって補正を行わないと判定された場合、駆動系モデルの補正を中断する補正部と、を備える。【選択図】図2
WHEEL SPEED ESTIMATION DEVICE AND VEHICLE
車輪速度推定装置、及び、車両
2021-04-01
Patent
Electronic Resource
Japanese
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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