Abstract:
A transmission control method during regenerative braking of a hybrid vehicle is directed to providing a transmission control method during regenerative braking of a hybrid vehicle that is capable of accurately estimating the regenerative braking execution amount, by constantly controlling the transmission output torque, that is, the regenerative braking execution amount, until the transmission input speed reaches the speed corresponding to the target transmission stage, through the operating element torque and motor torque intervention control for transmission, when transitioning to the target transmission stage from the current transmission stage of the multistage automatic transmission of the hybrid vehicle, and is capable of accurately estimating the regenerative braking execution amount and simultaneously securing the braking linearity during transmission.
Abstract:
A method of controlling stability of a motorized vehicle having an electric motor as a drive source includes determining a slope of a road ahead, when sensing a sudden slope change point as a result of determination, determining a correction section based on the sudden slope change point, and correcting stability control torque in the correction section to compensate for motion of the vehicle body due to a change in the slope of the road using a pitching motion of the vehicle body caused by the torque of the electric motor.
Abstract:
Disclosed are a vehicle for generating an acceleration profile based on the acceleration cognitive characteristics of the human and a method of controlling the same. The method includes: receiving a manipulation amount of an accelerator pedal and calculating a first torque value, inserting the first torque value to a function that receives force and outputs acceleration feeling, generating a second torque value by inserting an output value of the function into a first filter for stabilizing the output value, generating a target torque value by inputting the second torque value to a second filter for stabilizing the second torque value, and generating a torque command based on the target torque value.
Abstract:
An apparatus for controlling a transmission of a vehicle includes a controller which is configured to: set a target vehicle speed of an own vehicle; determine whether to permit a kick down of the transmission of the own vehicle based on the target vehicle speed and a current vehicle speed; determine a target shift stage of the transmission of the own vehicle according to a predetermined transmission pattern based on the current vehicle speed and an open value of an accelerator pedal of the own vehicle; and control the transmission to maintain a current shift stage or to kick down the current shift stage to the target shift stage according to whether to permit the kick down determined by the kick down determination controller when the target shift stage is lower than the current shift stage of the own vehicle.
Abstract:
A method for controlling a hybrid vehicle includes the steps of: (a) determining whether or not a subject vehicle is running or stopped, when the subject vehicle is in an electric vehicle (EV) mode and is driven by power of a driving motor, and (b) adjusting a target state of charge (SOC) of a battery depending on whether or not the subject vehicle is running or stopped, wherein, when it is determined that the subject vehicle is running in step (a), the target SOC is adjusted to a predetermined running SOC in step (b), and when it is determined that the subject vehicle is stopped in step (a), the target SOC is adjusted to a predetermined stop SOC that is less than the running SOC in step (b).
Abstract:
A plug-in hybrid electric vehicle (PHEV), which has an engine and a motor and travels using a power of the engine and an electric power of the motor, includes: a battery configured to supply a drive energy of the motor; a battery sensor configured to measure a state of charge (SOC) of the battery; and a controller configured to estimate an average mileage per cycle established using traveling information of the vehicle, estimate an average SOC per cycle using the measured SOC, and control a reference power needed for driving the engine according to the estimated average mileage and the estimated average SOC.
Abstract:
A method for controlling a response to driving load of a hybrid vehicle includes: estimating an optimum speed for a current driving situation, estimating a target driving load based on the optimum speed, determining an eco-level corresponding to the target driving load from among a plurality of eco-levels, and changing at least some of an eco-gauge according to the determined eco-level.
Abstract:
A system and a method for reducing exhaust gas of a hybrid electric vehicle are disclosed. A system for reducing exhaust gas of a hybrid electric vehicle according to an exemplary form of the present disclosure may include: a battery management system measuring a state of charge (SOC) of a high voltage battery of the hybrid electric vehicle; a motor control unit controlling a driving motor with power of the high voltage battery to generate motor driving force; an engine control unit controlling an engine to generate engine driving force; and a hybrid control unit checking an all electric range (AER) according to a driving in a charge depleting (CD) mode of the hybrid electric vehicle to perform a catalyst heating and warm up control by starting the engine in the CD mode in the case in which the checked AER exceeds a reference AER.
Abstract:
The present disclosure provides a method for learning a kisspoint of an engine clutch in a hybrid vehicle, which performs kisspoint learning of an engine clutch while driving by learning hydraulic pressure at the time when motor torque varies by gradually increasing clutch hydraulic pressure in an open state of the engine clutch when a driving load of a vehicle is constant to increase a kisspoint learning frequency of the engine clutch and improve kisspoint accuracy.
Abstract:
A method for controlling torque reduction of a hybrid electric vehicle including a motor and an engine includes determining whether a demand torque of a traction control system (TCS) is generated. When the demand torque of the TCS is generated, the demand torque of the TCS and a motor output torque is compared. Based on a result of the comparison, torque reduction is performed by using only one of a motor torque. Also disclosed are an apparatus configured to perform the method for controlling torque reduction and a computer readable storage medium causing performance of torque reduction through the use of only one of a motor torque and an engine torque.