Patent ID: 11884313
Assignee: KYOSAN ELECTRIC MANUFACTURING CO., LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B  E | IPC B  E

Claim 10:
11. A railroad equipment state determination apparatus, comprising:
a storage that stores 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 is that the railroad equipment driven by a motor from a stopped state performs a switching operation, and then comes into the stopped state again;
an evaluation criteria setting section that sets evaluation criteria based on the plurality of operation data stored in the storage; and
a determination section that determines 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 includes data of a quantity of electricity required for the prescribed operation,
the determination section performs:
calculating a quantity of electricity abnormality relating to the new operation data, based on the quantity of electricity included in the new operation data and distribution of the quantity of electricity included in a predetermined number of the operation data before the prescribed operation associated with the new operation data; and
determining whether the new operation data is abnormal based on whether the quantity of electricity abnormality satisfies a given quantity of electricity abnormality threshold condition, and

the evaluation criteria setting section sets the quantity of electricity abnormality threshold condition as one of the evaluation criteria, based on the quantity of electricity abnormalities calculated in the past.