DETERIORATION ESTIMATION DEVICE, DETERIORATION ESTIMATION METHOD AND DETERIORATION ESTIMATION PROGRAM

To accurately estimate a deterioration degree of a seal member.SOLUTION: A vehicle control device stores map data specifying a map to output an output variable representing a deterioration degree of a seal member when an input variable is input. The map includes: a heat history variable which is a v...

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Bibliographic Details
Main Author TOZAWA HIDEAKI
Format Patent
LanguageEnglish
Japanese
Published 17.01.2022
Subjects
BLASTING
CYLINDERS
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
PISTONS
SEALINGS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:To accurately estimate a deterioration degree of a seal member.SOLUTION: A vehicle control device stores map data specifying a map to output an output variable representing a deterioration degree of a seal member when an input variable is input. The map includes: a heat history variable which is a variable representing a period when the seal member is exposed to a temperature within a predetermined temperature range as the input variable; and a load history variable which is a variable representing the number of times that the seal member is subject to loads. The vehicle control device executes an acquisition process to acquire the input variable and a calculation process to output a value of the output variable by inputting the input variable acquired through the acquisition process into the map.SELECTED DRAWING: Figure 4 【課題】シール部材の劣化度を正確に推定する。【解決手段】車両の制御装置には、入力変数が入力されることによりシール部材の劣化度を示す出力変数を出力する写像を規定する写像データが記憶されている。写像は、入力変数として、予め定められた温度範囲内の温度にシール部材が曝された期間を示す変数である熱履歴変数と、シール部材に負荷が作用した回数を示す変数である負荷履歴変数と、を含む。制御装置は、入力変数を取得する処理である取得処理と、取得処理により取得した入力変数を写像に入力することによって出力変数の値を出力する算出処理と、を実行する。【選択図】図４
Bibliography:Application Number: JP20200114900