US 11,884,313 B2
Railroad equipment state determination apparatus and railroad equipment state determination method
Toshio Kitajima, Yokohama (JP); and Youichi Murakami, Yokohama (JP)
Assigned to KYOSAN ELECTRIC MFG. CO., LTD., Yokohama (JP)
Filed by KYOSAN ELECTRIC MFG. CO., LTD., Yokohama (JP)
Filed on Aug. 18, 2020, as Appl. No. 16/996,072.
Application 16/996,072 is a continuation of application No. PCT/JP2019/006544, filed on Feb. 21, 2019.
Claims priority of application No. 2018-032109 (JP), filed on Feb. 26, 2018.
Prior Publication US 2020/0377132 A1, Dec. 3, 2020
Int. Cl. B61L 5/10 (2006.01); B61L 5/06 (2006.01); B61L 23/04 (2006.01); E01B 7/20 (2006.01)
CPC B61L 5/102 (2013.01) [B61L 5/06 (2013.01); B61L 23/04 (2013.01); E01B 7/20 (2013.01)] 12 Claims
OG exemplary drawing
 
12. A railroad equipment state determination method comprising:
an evaluation criteria setting step of setting evaluation criteria based on a plurality of operation data associated with one cycle of a prescribed operation performed by railroad equipment, wherein the one cycle of the prescribed operation that the railroad equipment is-driven by a motor from a stopped state performs a switching operation, and then comes into the stopped state again;
a determination step of determining whether new operation data resulting from one cycle of the prescribed operation newly performed by the railroad equipment is abnormal based on the evaluation criteria, wherein
the operation data is stored in a storage in association with operation dates, and
the evaluation criteria is set based on the operation data for a predetermined number of days nearest the operation date of the new operation data.