Apparatus and method for controlling change in speed of vehicle
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United States of America Patent
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Jul 30, 2024
Grant Date -
Apr 27, 2023
app pub date -
Feb 10, 2022
filing date -
Oct 25, 2021
priority date (Note) -
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Abstract
An apparatus for controlling a change in speed of a vehicle, includes: an auxiliary braking signal unit receiving an auxiliary braking related signal from a driver; a vehicle control unit receiving the auxiliary braking related signal from the auxiliary braking signal unit while controlling the vehicle; a motor control unit receiving a command for auxiliary braking from the vehicle control unit and decelerating the vehicle by regenerative braking of a driving motor; a transmission control unit controlling a transmission during deceleration of the vehicle and transmitting information of whether a change in speed is performed to the vehicle control unit; and a braking control unit connected to a brake through a fluid pressure line, and controlling the brake so that the brake applies braking pressure to a wheel by an amount of reduction in regenerative braking torque when the transmission is downshifted.
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