Abstract: A method of controlling an electrified vehicle may include determining a traveling environment level; determining a regenerative braking continuation range and a regenerative braking retention amount according to the traveling environment level when a preset deceleration condition is satisfied; and determining whether to maintain a regenerative braking amount as the regenerative braking retention amount based on whether a vehicle speed is included in the regenerative braking continuation range when the vehicle speed is lower than or equal to a preset regenerative braking termination vehicle speed.

Abstract: A hybrid electric vehicle (HEV) that can perform more efficient regenerative braking and a method of regenerative braking control for the same are disclosed. The method of regenerative braking control includes determining a total braking amount when a braking request is generated in a HEV including a first motor connected to an engine, a second motor directly connected to an input side of a transmission, and an engine clutch having a first end connected to the first motor and a second end connected to the second motor. The method also includes charging a battery using regenerative braking of the first motor when the engine clutch has been engaged in consideration of at least the total braking amount and charge power by regenerative braking of the second motor is less than charge limit power of the battery.

Abstract: Proposed is a method of controlling a hybrid electric vehicle. In particular, the method includes: connecting a first motor directly connected with an engine with a second motor directly connected with an input end of a transmission, and determining whether to distribute an amount of error torque for the engine to the first motor or each of the first motor and the second motor on the basis of an efficiency of the first motor and an efficiency of the second motor.

Abstract: A hybrid electric vehicle and a method of driving control for same, which more effectively increases an amount of regenerative braking during deceleration and allows a rapid restart. A method for controlling a hybrid electric vehicle, including a step-variable transmission according to an embodiment of the present disclosure, may include an operation of prohibiting shifting when a preconfigured deceleration braking condition is satisfied. The method may further include an operation of slip-controlling an engine clutch disposed between an engine and a driving motor when an acceleration pedal is operated before a car stop holding time, in which the deceleration braking condition is maintained, exceeds a preconfigured reference time.

Abstract: A method for controlling a hybrid electric vehicle includes: connecting a first motor directly connected to an engine to a second motor directly connected to a transmission input terminal through a dual mass flywheel; determining a target angular acceleration of the first motor according to a gear shifting progress rate so that an angular acceleration of the first motor follows a target angular acceleration of the transmission input terminal when a gearshift is performed in the transmission; and controlling a torque of the first motor based on the target angular acceleration of the first motor.

Abstract: A shift control method for a hybrid vehicle includes: determining whether a request for a kick-down shift has been made; identifying predetermined input torque increase conditions when the kick-down shift request is made; comparing a predetermined input torque increase amount with a predetermined reference value when all of the input torque increase conditions are satisfied; and controlling a driving motor or an auxiliary motor to additionally output the input torque increase amount, based on the result of comparing the input torque increase amount with the reference value.

Abstract: The present invention relates to a control device and method of a hybrid electric vehicle (HEV) to which Downhill Brake Control (DBC) is applied, and determines whether to perform a braking control of the HEV, by comparing a current vehicle speed of the HEV with a target vehicle speed of the HEV upon operating a DBC function, calculates a braking demand amount based on a difference between the current vehicle speed and the target vehicle speed when the braking control is determined, and controls a vehicle speed of the HEV by determining whether to perform cooperative control of a regenerative braking and a brake hydraulic braking, based on the braking demand amount and a maximum regenerative braking possible amount.

Abstract: A method of and an apparatus of controlling a creep torque to be exerted on a vehicle, may include facilitating a control unit to determine from a vehicle speed signal whether or not a vehicle comes to a stop, facilitating the control unit to determine from a slope angle signal a state of a road in accordance with a slope angle of the road; facilitating the control unit to determine a gear-shift step state, facilitating the control unit to decide a creep torque command on the basis of a result of the determination, the gear-shift step state, and information on the state of the road in accordance with the slope angle, and facilitating the control unit to output the decided creep torque command to perform creep torque control that generates a creep torque corresponding to the creep torque command from a motor.

Abstract: A method of and an apparatus of controlling a creep torque to be exerted on a vehicle, may include facilitating a control unit to determine from a vehicle speed signal whether or not a vehicle comes to a stop, facilitating the control unit to determine from a slope angle signal a state of a road in accordance with a slope angle of the road; facilitating the control unit to determine a gear-shift step state, facilitating the control unit to decide a creep torque command on the basis of a result of the determination, the gear-shift step state, and information on the state of the road in accordance with the slope angle, and facilitating the control unit to output the decided creep torque command to perform creep torque control that generates a creep torque corresponding to the creep torque command from a motor.

Abstract: The present invention relates to a control device and method of a hybrid electric vehicle (HEV) to which Downhill Brake Control (DBC) is applied, and determines whether to perform a braking control of the HEV, by comparing a current vehicle speed of the HEV with a target vehicle speed of the HEV upon operating a DBC function, calculates a braking demand amount based on a difference between the current vehicle speed and the target vehicle speed when the braking control is determined, and controls a vehicle speed of the HEV by determining whether to perform cooperative control of a regenerative braking and a brake hydraulic braking, based on the braking demand amount and a maximum regenerative braking possible amount.

Abstract: An apparatus and method of controlling a vehicle including a drive motor are provided. The apparatus includes a data detector that detects a driving information including a vehicle speed, a position value of a brake pedal and a drive motor speed and a drive motor that generates a driving torque for driving the vehicle and selectively operates as a generator. A controller then determines a braking mode based on the driving information and adjusts a shift completion timing in accordance with the braking mode.

Abstract: A regenerative braking control apparatus of a vehicle may include: a drive motor; a battery for providing driving voltage to the drive motor; a data detector for detecting a driving state information of the vehicle; and a vehicle controller generating a total braking amount based on the driving state information. In particular, the vehicle controller generates a regenerative braking possible amount by using a generatable power of the drive motor and a chargeable power of the battery, performs a regenerative braking when the regenerative braking possible amount is greater than the total braking amount, and also prepares a hydraulic pressure braking based on the regenerative braking possible amount and a regenerative braking amount based on the regenerative braking.

Abstract: A method of controlling torque intervention of a hybrid electric vehicle includes: receiving at least one torque intervention request; determining, by a control unit, a gear shift intervention requested quantity requested for limiting a driving torque of the vehicle during a gear shift and a brake intervention requested quantity requested for limiting the driving torque of the vehicle during a braking operation in response to receiving the at least one torque intervention request; generating, by the control unit, a combined intervention requested quantity based on the gear shift intervention requested quantity and the brake intervention requested quantity; and determining, by the control unit, a type of current intervention based on the combined intervention requested quantity in real time.

Abstract: A system and method of controlling engine clutch engagement during TCS operation of a hybrid vehicle are provided. The method includes determining whether a TCS is operating and upon determining that the TCS is operating, determining a compensation value for early engagement of an engine clutch during the TCS operation based on a difference between a front wheel speed and a rear wheel speed and a slip amount of front wheels. Additionally, the method includes determining whether engagement of the engine clutch is capable of being started based on the compensation value and starting the engine clutch engagement. Since the engagement of the engine clutch is controlled based on the speed of non-drive wheels during TCS operation, the engagement stability of the engine clutch is improved and the amount of time required to engage the engine clutch is decreased.

Abstract: A method for controlling torque reduction of a hybrid vehicle includes: determining a discharging torque control factor of a motor and a charging torque control factor of the motor based on a current state of charge of a battery that supplies electric power to the motor and a threshold state of charge of the battery; calculating a torque of the motor corresponding to driving torque reduction request of a traction control system (TCS) based on a discharging limit torque of the motor that the discharging torque control factor is reflected in and a charging limit torque of the motor that the charging torque control factor is reflected in; and calculating a torque of the engine corresponding to the driving torque reduction request based on the calculated torque of the motor and a request torque of the traction control system.

Abstract: An apparatus and method of controlling a vehicle including a drive motor are provided. The apparatus includes a data detector that detects a driving information including a vehicle speed, a position value of a brake pedal and a drive motor speed and a drive motor that generates a driving torque for driving the vehicle and selectively operates as a generator. A controller then determines a braking mode based on the driving information and adjusts a shift completion timing in accordance with the braking mode.

Abstract: An apparatus and a method for controlling a coasting operation in a hybrid vehicle are provided. The apparatus includes: a coasting operation control mode entrance time point determination unit to determine a time point at which a subject vehicle enters a coasting operation control mode; a target vehicle speed reach time point calculation unit to calculate a target vehicle speed of the subject vehicle and a time point, at which the subject vehicle reaches the target vehicle speed, when the subject vehicle enters the coasting operation control mode; and a creep torque variation control unit to control creep torque of the subject vehicle using a difference between the target vehicle speed and a present vehicle speed of the subject vehicle.

Abstract: A method for releasing creep torque control of a vehicle before a stop includes a step of when creep torque is controlled for a shift before a stop of the vehicle, creep torque control is released in consideration of a current shift gear position if an actual creep torque value controlled during a shift becomes equal to a target creep torque value.

Abstract: An apparatus for controlling a torque intervention of a hybrid vehicle includes a driving information detector for detecting a torque intervention request of the hybrid vehicle, and a controller for deriving a target motor torque and a target engine torque depending on a required torque variation when the torque intervention is requested, the target motor torque being derived so that a high voltage battery does not deviate from a state of charge (SOC) charging and discharging limit, the target motor torque limiting the target engine torque to be equal to or less than a target engine torque before the intervention request to obtain a final engine torque, and the target motor torque correcting the target motor torque to a final motor torque depending on the final engine torque.

Abstract: A method for controlling torque reduction of a hybrid electric vehicle including a motor and an engine as a power source includes: determining whether a traction control system (TCS) is operating; calculating a demand torque of the TCS when the TCS is operating; determining an engine operating point according to the demand torque of the TCS; maintaining an engine torque according to the engine operating point; comparing a difference between the demand torque of the TCS and the engine torque according to the engine operating point with a charging limit torque of the motor; and performing torque reduction using a motor torque and the engine torque based on a result of the comparison.