The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 20, 2024

Filed:

May. 21, 2018
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventors:

Tetsuya Saeki, Tokyo, JP;

Koji Shiratsuchi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T 17/22 (2006.01); B60T 8/171 (2006.01); B60T 13/68 (2006.01); F16K 37/00 (2006.01);
U.S. Cl.
CPC ...
B60T 17/228 (2013.01); B60T 8/171 (2013.01); B60T 13/683 (2013.01); F16K 37/0091 (2013.01); B60T 2270/88 (2013.01);
Abstract

A degradation detection system includes: a storage that stores measured values of command pressure and measured values of response pressure; and a simulator that calculates, using a physical model, the response pressure in accordance with the command pressure, thereby obtaining a waveform of the calculated response pressure corresponding to a waveform of the command pressure in a case in which the command pressure is changed. A waveform identifier identifies a waveform of the calculated response pressure that matches a waveform of the detected response pressure. A degradation identifier identifies a degraded component of a pressure regulating valve from a value of parameter acquired by the waveform identifier and a normal range defined for the parameter.


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