Electronic parking backup control circuit and method, controller and automobile

The invention belongs to the technical field of electronic parking, and discloses an electronic parking backup control circuit and method, a controller and an automobile. The electronic parking backup control circuit comprises a gate circuit, a motor driving circuit, a current sampling circuit and a...

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Bibliographische Detailangaben
Hauptverfasser:	HUANG DONGJIE, LONG WEN, LIANG BAOTI, PAN WENJUN, ZHANG DEJUN, LIU HAO, YANG JIYE, QIN QUANZHONG, XU ZHE, CHEN PEI, CHEN RUI, CHEN JIANGSHEN, LI WEIWEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The invention belongs to the technical field of electronic parking, and discloses an electronic parking backup control circuit and method, a controller and an automobile. The electronic parking backup control circuit comprises a gate circuit, a motor driving circuit, a current sampling circuit and a locked-rotor judgment circuit, wherein the current sampling circuit is used for sampling driving current, converting the driving current into corresponding driving current voltage and outputting the driving current voltage to the locked-rotor judgment circuit, the locked-rotor judgment circuit is used for outputting a comparison signal according to the driving current voltage and a reference voltage, the gate circuit is used for outputting a driving control signal to the motor driving circuit according to the comparison signal, a main control fault signal and a preset output rule, and the motor driving circuit is used for outputting a driving signal or a turn-off signal to the motor according to the driving contro