PARKING BRAKE CONTROL SYSTEM

PROBLEM TO BE SOLVED: To make it possible to detect an abnormality indicated with a relatively small change in a current value such as a gain abnormality of an amplifier, and deal with the abnormality.SOLUTION: A change in a motor current value in each of three domains relevant to an inrush current...

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Bibliographische Detailangaben
Hauptverfasser:	YUASA KENTARO, HANZAWA MASATOSHI, SHIRAKI TAKAHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL BLASTING BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To make it possible to detect an abnormality indicated with a relatively small change in a current value such as a gain abnormality of an amplifier, and deal with the abnormality.SOLUTION: A change in a motor current value in each of three domains relevant to an inrush current time in a normal state, a no-load current time therein, and a current rise time is stored as a norm value, and the norm value is compared with a present value of the motor current value observed during use of an EPB in order to detect an abnormality. If the abnormality is detected, a target current value is, for example, made larger than a value designated in the normal state and thus corrected so that a locking time can be extended. Accordingly, even in the case of the abnormality, lock control can be appropriately implemented, and the EPB may not be stopped. Therefore, an abnormality that is manifested with a relatively small change in a current value such as a gain abnormality of an amplifier can be detected and dealt with.