A maintenance apparatus (10) transmits a pulse signal from a predetermined observation point (P) of rails (R), observes an observation signal that appears at the observation point (P) after transmission of the pulse signal, compares an observation history of the observation signals and the observation signal received this time, and detects occurrence of abnormality in any one of the rails (R) and at least one electric apparatus (20) connected to the rails (R).
MAINTENANCE DEVICE, MAINTENANCE SYSTEM, AND MAINTENANCE METHOD
WARTUNGSVORRICHTUNG, WARTUNGSSYSTEM UND WARTUNGSVERFAHREN
DISPOSITIF DE MAINTENANCE, SYSTÈME DE MAINTENANCE ET PROCÉDÉ DE MAINTENANCE
2024-04-10
Patent
Electronic Resource
English
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