To predict generation of abnormal noise.SOLUTION: An abnormal noise generation risk prediction device 20 includes: an acquisition part 21 for acquiring a vehicle behavior prediction value which is a prediction of a behavior of a vehicle, a road surface situation which is an estimation of a situation of a road surface where the vehicle travels, and a fluid temperature which is a temperature of a working fluid inside a damper 1; a damper input prediction part 25 (prediction input calculation part) for calculating a prediction input which is an input to the damper 1 predicted from the vehicle behavior prediction value and the road surface situation; an abnormal noise distribution output part 27 for outputting abnormal sound distribution which is abnormal noise generation probability distribution based on a fluid temperature according to the pattern of the input to the damper 1; and an abnormal noise generation risk prediction part 28 for predicting an abnormal noise generation risk which is an actual abnormal noise generation risk generated by the damper 1 from a relation with the prediction input for the abnormal noise distribution.SELECTED DRAWING: Figure 3
【課題】異音の発生を予測する。【解決手段】異音発生リスク予測装置20は、車両の挙動の予測である車両挙動予測値、車両が走行する路面の状況の推定である路面状況、およびダンパ1の内部の作動流体の温度である流体温、を取得する取得部21と、車両挙動予測値および路面状況から予測されるダンパ1への入力である予測入力を演算するダンパ入力予測部25(予測入力演算部)と、ダンパ1への入力のパターンに応じた流体温に基づく異音の発生確率分布である異音分布を出力する異音分布出力部27と、異音分布に対する予測入力との関係からダンパ1が生じる異音の実際の発生リスクである異音発生リスクを予測する異音発生リスク予測部28と、を有する。【選択図】図3
ABNORMAL NOISE GENERATION RISK PREDICTION DEVICE, ABNORMAL NOISE GENERATION RISK PREDICTION METHOD AND DAMPER
異音発生リスク予測装置、異音発生リスク予測方法およびダンパ
2025-01-09
Patent
Electronic Resource
Japanese
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