Title:
MONITORING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/199173
Kind Code:
A1
Abstract:
The monitoring system (1) according to the present disclosure comprises: an air spring pressure detection unit (15) that detects an air spring pressure that indicates the pressure of an air spring (20) provided in a vehicle (2); a brake cylinder pressure detection unit (17) that detects a brake cylinder pressure indicating the pressure of a brake cylinder included in by a brake device (18) that generates a mechanical brake force by pressing a frictional member (25) against a rotating body (19) of the vehicle (2); a determination unit (26) that, when the vehicle (2) is stopped with a brake instruction input, determines whether or not door close information has been received which indicates that passengers have ended boarding and alighting the vehicle and that a door for boarding and alighting the vehicle has been closed; and a diagnosis unit (31) that, if the determination unit (26) determines that the door close information has been received, acquires a brake cylinder pressure measurement value indicating the value of the brake cylinder pressure detected by the brake cylinder pressure detection unit (17), as information used for diagnosing abnormality or a sign that abnormality will occur.
Inventors:
NISHIOKA TSUTOMU (JP)
FUJISAKI KENJI (JP)
GOTO RYOSUKE (JP)
ARAI OSAMU (JP)
SHIRAISHI TATSUYA (JP)
FUJISAKI KENJI (JP)
GOTO RYOSUKE (JP)
ARAI OSAMU (JP)
SHIRAISHI TATSUYA (JP)
Application Number:
PCT/JP2020/014603
Publication Date:
October 07, 2021
Filing Date:
March 30, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
TOKYO METRO CO LTD (JP)
TOKYO METRO CO LTD (JP)
International Classes:
B60L3/00
Foreign References:
| JP2019022306A | 2019-02-07 | |||
| JP2003118577A | 2003-04-23 | |||
| JP2017118617A | 2017-06-29 |
Attorney, Agent or Firm:
TAKAMURA, Jun et al. (JP)
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