Electronic control apparatus

An electronic control apparatus includes a first controller that is activated upon being fed with electric power through a first electric power feeding path, and a second controller that is fed with electric power through a second electric power feeding path. In the first electric power feeding path...

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Bibliographische Detailangaben
Hauptverfasser:	Takizawa, Tomohiro, Sumi, Akira
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	An electronic control apparatus includes a first controller that is activated upon being fed with electric power through a first electric power feeding path, and a second controller that is fed with electric power through a second electric power feeding path. In the first electric power feeding path, there is provided a power supply switch that is turned on when a switch command is a connection command and turned off when the switch command is a cutoff command. The first controller transmits a state signal indicating whether it is in an activated state or a stopped state. The second controller diagnoses the power supply switch as being abnormal on condition that the state signal indicates the stopped state of the first controller when the switch command is the connection command or the state signal indicates the activated state of the first controller when the switch command is the cutoff command.