MOTOR DRIVING CIRCUIT FOR ELECTRONIC PARKING BRAKE SYSTEM

• Main Authors: CHO, Kyung Ran, KIM, Sang Woo, PARK, Chul Eui, JUNG, Hee Chul
• Format: Patent
• Language: English
• Published: 24.08.2023
• Subjects: 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; 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

The present disclosure relates to a motor driving circuit of an electronic parking brake system, which is configured to include a first motor and a second motor for releasing or applying a parking brake applied to different wheels, respectively; and a first ECU and a second ECU for controlling the driving of the first motor and the second motor, respectively, wherein the second ECU is prevented from intervening in the driving of the first motor and the second motor while the first ECU drives the first motor and the second motor, and controls the driving of the first motor and the second motor only when there is an abnormality in the first ECU.