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:
Mar. 23, 2021

Filed:

Oct. 29, 2018
Applicant:

Mitsubishi Heavy Industries, Ltd., Tokyo, JP;

Inventors:

Akihisa Kawauchi, Tokyo, JP;

Hiroyuki Kono, Tokyo, JP;

Koji Uchida, Tokyo, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B61L 25/02 (2006.01); B61L 23/04 (2006.01); B61L 1/20 (2006.01);
U.S. Cl.
CPC ...
B61L 25/021 (2013.01); B61L 23/042 (2013.01); B61L 25/025 (2013.01); B61L 1/20 (2013.01);
Abstract

An abnormality detection device includes: a measurement value acquiring unit configured to acquire input accelerations of n vehicles traveling along a track; and an abnormality determination unit configured to determine abnormality in the track at a track position at which the input accelerations are equal to or more than a threshold value in a case where it has detected that the input accelerations for all of the n vehicles are equal to or more than a threshold value, and determine abnormality in any one or a plurality of vehicles out of n−1 or less vehicles in the n vehicles at which the input accelerations are equal to or more than the threshold value in a case where it has detected that the input accelerations for the any one or a plurality of vehicles out of the n−1 or less vehicles in the n vehicles are equal to or more than the threshold value.


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