Abstract: A method of controlling anti jerk of a vehicle, includes determining a correction factor based on a wheel slip amount of the vehicle, determining a corrected model speed from a predetermined model speed for a motor of the vehicle based on the correction factor and a motor speed of the vehicle from which a vibration component is removed, determining a vibration component based on the motor speed and the corrected model speed and generating an anti jerk torque based on the determined vibration component, and generating a final output torque of the motor based on a driver demand torque of the vehicle and the generated anti jerk torque.

Abstract: An apparatus and a method of reducing vibration of an electric vehicle capable of effectively reducing vibration by applying a drivetrain torsion speed during anti jerk control to extract a vibration-induced portion and processing the vibration-induced portion to generate a final output torque, include a drivetrain torsion speed calculator, a motor speed calculator, a model speed calculator, a vibration-induced portion calculator, a high-pass filter, a phase delay unit, and an anti jerk compensation torque generator.

Abstract: A system for controlling anti jerk of an xEV vehicle using power of a motor, includes a battery configured to supply driving power to the motor, a battery control unit (BCU) configured to manage and control charging and discharging of the battery, and a motor control unit (MCU) configured to control driving of the motor, wherein the motor control unit is configured to execute a command for performing a method of controlling anti jerk of an xEV vehicle.

Abstract: An apparatus and a method for controlling a vehicle includes a driveshaft that transmits a drive torque generated by a drive motor to a wheel, a sensor that obtains a speed of the vehicle, and a controller that monitors the drive torque to determine a change amount of the drive torque, determines a change in a torsion angle of the driveshaft based on the change amount of the drive torque, and determines whether wheel slip occurs based on an amount of speed change of the drive motor according to the change in the torsion angle of the driveshaft. Accordingly, it is possible to accurately determine wheel slip according to the friction of a road surface, providing safe driving to the driver.

Abstract: An apparatus for performing regenerative braking by controlling a disconnector of a vehicle includes a computing device to calculate a braking amount necessary for braking, a controller to engage or release the disconnector of the vehicle, based on the calculated braking amount, and a distributing device to distribute a regenerative braking amount necessary for braking into at least one motor included in the vehicle, when the disconnector is engaged or released.

Abstract: A method for optimizing the traveling of an electric vehicle may include setting an ultra power saving mode for controlling the traveling of an electric vehicle by minimizing consumed energy when a State Of Charge (SOC) of a high voltage battery is equal to or smaller than a predetermined SOC, calculating traveling energy required for traveling from a current location to a destination by a control unit of the electric vehicle, determining whether or not to reach the destination with the energy of the high voltage battery, and calculating a destination reachable vehicle speed zone that calculates a maximum speed and a minimum speed that can reach the destination.

Abstract: A disconnector control device and method for an electric vehicle are provided. The disconnector control device includes a disconnector that switches wheel driving manners and a processor that recognizes a driving condition of the vehicle. The processor also acquires at least one factor related to operation of the disconnector and operates the disconnector based on the acquired at least one factor.

Abstract: A method of controlling vibration reduction of a vehicle is capable of efficiently reducing vibration occurring when entering a P range on a ramp. The method includes: when an input to a parking range is received, determining whether or not a predetermined condition for entering a vibration reduction control mode is satisfied; when the entering condition is satisfied, calculating a motor torque for reducing vibration due to backlash by using the driving information; controlling a driving motor so as to output the calculated motor torque; controlling the parking device such that the parking range is engaged; determining whether or not a brake is released; and if the brake is released, reducing a motor torque output by the driving motor so that vibration due to the backlash is reduced.

Abstract: A system variably controls braking energy regeneration in a vehicle by reflecting a compensation torque depending on a difference in deceleration based on a road gradient when the vehicle travels over a downhill section or an uphill section of a road. The system includes a longitudinal sensor to receive the road gradient and compare the road gradient to a specific grade, and then compensate for the road gradient using a grade resistance value and a deceleration based value depending on a difference between deceleration manually set by a driver using a paddle shift and an actual vehicle deceleration. The system may include a controller to output a coasting torque as a correction torque that is a sum of the grade resistance value and the deceleration based value.

Abstract: A method for reducing torsional shock of a driving system of an electric vehicle is provided. In the method, torsional torque of a part of the driving system is calculated by applying motor torque to a motor under the condition that a parking gear is engaged and monitoring a motor speed. Reverse torsional torque having the same magnitude as the calculated torsional torque is applied to the part of the driving system when release of the parking gear is requested, and then the parking gear is released to reduce shock caused by torsion of the part of the driving system when the parking gear is released.

Abstract: A method of controlling vibration reduction of a vehicle is capable of efficiently reducing vibration occurring when entering a P range on a ramp. The method includes: when an input to a parking range is received, determining whether or not a predetermined condition for entering a vibration reduction control mode is satisfied; when the entering condition is satisfied, calculating a motor torque for reducing vibration due to backlash by using the driving information; controlling a driving motor so as to output the calculated motor torque; controlling the parking device such that the parking range is engaged; determining whether or not a brake is released; and if the brake is released, reducing a motor torque output by the driving motor so that vibration due to the backlash is reduced.

Abstract: A method for reducing torsional shock of a driving system of an electric vehicle is provided. In the method, torsional torque of a part of the driving system is calculated by applying motor torque to a motor under the condition that a parking gear is engaged and monitoring a motor speed. Reverse torsional torque having the same magnitude as the calculated torsional torque is applied to the part of the driving system when release of the parking gear is requested, and then the parking gear is released to reduce shock caused by torsion of the part of the driving system when the parking gear is released.

Abstract: An apparatus for controlling a regenerative braking of a vehicle includes a sensor detecting information about forward driving environment, and a controller configured to: calculate an estimated time-to-collision between a forward vehicle and an ego vehicle when the forward vehicle is detected by the sensor, compare a first regenerative braking level determined based on the estimated time-to-collision with a second regenerative braking level determined based on distance information about the forward vehicle; determine a final regenerative braking level depending on the compared result; and control a regenerative braking drive based on the determined final regenerative braking level.

Abstract: A system and method of applying a coast regeneration torque of a vehicle are provided. The method corrects a magnitude of slip (or a slip ratio) which is considered when a coast regeneration torque is to be variably controlled while the vehicle is coasting.

Abstract: A method for optimizing the traveling of an electric vehicle may include setting an ultra power saving mode for controlling the traveling of an electric vehicle by minimizing consumed energy when a State Of Charge (SOC) of a high voltage battery is equal to or smaller than a predetermined SOC, calculating traveling energy required for traveling from a current location to a destination by a control unit of the electric vehicle, determining whether or not to reach the destination with the energy of the high voltage battery, and calculating a destination reachable vehicle speed zone that calculates a maximum speed and a minimum speed that can reach the destination.

Abstract: A hybrid vehicle and a braking method thereof are provided. The braking method includes determining a current braking situation based on a brake depth and calculating an amount of braking demanded by a driver corresponding to the brake depth when the current braking situation is a general braking situation. A regenerative braking command is generated to execute regenerative braking and a friction braking command to execute friction braking based on the amount of braking demanded by the driver.

Abstract: A system a vehicle having a wheel-driving motor is disclosed. The system includes wheel speed sensors for detecting speed of respective vehicle wheels, and a controller for controlling coast regenerative torque of the vehicle. The controller lowers coast regenerative torque based on wheel speed acquired detected using the wheel speed sensors. The controller is lowers coast regenerative torque based on speed difference among the wheels and based on change of wheel slip ratio.

Abstract: An apparatus for controlling a regenerative braking of a vehicle includes a sensor detecting information about forward driving environment, and a controller configured to: calculate an estimated time-to-collision between a forward vehicle and an ego vehicle when the forward vehicle is detected by the sensor, compare a first regenerative braking level determined based on the estimated time-to-collision with a second regenerative braking level determined based on distance information about the forward vehicle; determine a final regenerative braking level depending on the compared result; and control a regenerative braking drive based on the determined final regenerative braking level.

Abstract: A system and method of applying a coast regeneration torque of a vehicle are provided. The method corrects a magnitude of slip (or a slip ratio) which is considered when a coast regeneration torque is to be variably controlled while the vehicle is coasting.

Abstract: A system for variably controlling braking energy regeneration by reflecting a compensation torque depending on a difference in deceleration if the difference in deceleration depending on a road gradient occurs due to an entry of a vehicle into a downhill road or an uphill road while the vehicle is coasting on a flatland at a defined deceleration depending on the regeneration step manually set by a driver using a paddle shift, the system may include an operation condition determiner, a grade resistance based FF controller, a deceleration based FB controller, and a coasting torque reflector.