DEGRADATION ESTIMATION DEVICE

• Main Author: OYA SATOSHI
• Format: Patent
• Language: English; Japanese
• Published: 10.06.2024
• Subjects: BLASTING; COMBUSTION ENGINES; CONTROLLING COMBUSTION ENGINES; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; LIGHTING; MEASURING; MECHANICAL ENGINEERING; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR; WEAPONS

To provide a degradation estimation device which can precisely estimate the degree of degradation of a discharge-system component of an internal combustion engine.SOLUTION: The degradation estimation device includes: a calculation unit for calculating the amount of damage caused by at least one of the fatigue and creep of a discharge-system component of an internal combustion engine equipped in a vehicle; an acquisition unit for acquiring a moisture according to the position of the vehicle; a correction unit for correcting the amount of damage based on the moisture; and an estimation unit for estimating the degree of degradation of the discharge-system component from the damage amount corrected by the moisture.SELECTED DRAWING: Figure 1 【課題】 内燃機関の排気系部品の劣化の度合いを高精度に推定することができる劣化推定装置を提供する。【解決手段】 劣化推定装置は、車両に搭載された内燃機関の排気系部品の疲労及びクリープの少なくとも一方によるダメージ量を算出する算出部と、前記車両の位置に応じた湿度を取得する取得部と、前記湿度に基づき前記ダメージ量を補正する補正部と、前記湿度に基づき補正された前記ダメージ量から前記排気系部品の劣化の度合いを推定する推定部とを有する。【選択図】図１