SBW SBW VEHICLE INCLUDING SBW SYSTEM AND CONTROLLING METHOD FOR IMPROVING FUEL EFFICIENCY OF VEHICLE INCLUDING SBW SYSTEM

摘要

A vehicle equipped with the SBW system according to the present invention includes a speed detection unit for detecting a speed of the vehicle; A motor for changing a shift stage of the vehicle; A battery supplying power to drive the motor; A relay unit including a relay and a relay coil, wherein the relay is driven according to a current flowing through the relay coil to electrically connect or cut off the battery and the motor; And a controller configured to compare the detected vehicle speed with a preset first speed and a second speed, and adjust a current applied to the relay coil according to a comparison result.