Abstract: Disclosed are an apparatus for distributing power of an electric vehicle and a method thereof capable of optimally improving the energy consumption efficiency of the electric vehicle by predicting a vehicle speed for a predetermined time using a learned vehicle speed prediction model, determining wheel power based on the vehicle speed, and distributing the wheel power to a front wheel drive motor and a rear wheel drive motor. The apparatus includes a storage that stores a vehicle speed prediction model in which learning is completed, and a controller that predicts a vehicle speed for a preset time using the vehicle speed prediction model, determines wheel power based on the vehicle speed, and distributes the wheel power to a front wheel drive motor and a rear wheel drive motor.

Abstract: A system for modeling energy consumption efficiency of an electric vehicle and a method thereof are disclosed. The system includes a communication device that communicates with a plurality of electric vehicles and includes a controller that receives learning data from the plurality of electric vehicles, learns an energy consumption efficiency model based on the received learning data, and transmits the energy consumption efficiency model in which the learning is completed to the plurality of electric vehicles.

Abstract: Disclosed are a system for modeling energy consumption efficiency of an electric vehicle and a method thereof. The system includes: a communication device that communicates with a plurality of electric vehicles, and a controller that receives a parameter set of an energy consumption efficiency model from the plurality of electric vehicles. The controller determines an average of received parameter sets as an optimal parameter set, and transmits the determined optimal parameter set to the plurality of electric vehicles.

Abstract: Disclosed are a multi-agent-based reinforcement learning system and method therefor. The multi-agent-based reinforcement learning system includes: a slave agent configured to: store a data set collected in each state of a first environment in a first buffer, store a data set received from a master agent in the first buffer, and learn a Q-function based on the data set stored in the first buffer; and the master agent configured to store a data set collected in each state of a second environment in a second buffer; transmit the data set to the slave agent; update a Q-function matched with the slave agent among a plurality of Q-functions; and perform reinforcement learning based on the data set stored in the second buffer.

Abstract: A system for controlling a vehicle battery includes a vehicle which includes a motor that provides a driving force or generates power through regenerative braking and a battery that provides power to the motor and calculates a battery usage according to use of the battery, and a portable terminal which obtains location information of a user, generates a battery charge/discharge guide based on the location information of the user and the battery usage received from the vehicle, and transmits the battery charge/discharge guide to the vehicle, thus minimizing anxiety and inconvenience to users when charging and discharging an electric vehicle, and also minimizing the maintenance cost of the electric vehicle.

Abstract: An output torque control apparatus for hybrid vehicle is provided. The apparatus includes a motor controller that adjusts motor torque, an engine controller that adjusts engine torque, and a hybrid controller that operates the motor controller and the engine controller based on driving modes of a hybrid vehicle. The hybrid controller calculates transmission input torque corresponding to current request torque, confirms whether a current driving mode an EV mode or a HEV mode, calculates inertia compensation torque corresponding to the confirmed current driving mode, and calculates output torque based on the calculated inertia compensation torque and transmission input torque. Accordingly, at least one of the motor controller or the engine controller is operated based on the calculated output torque.

Abstract: A motor control apparatus and method for damping engine vibration are provided. The apparatus includes a data collection device that collects engine information and motor information and a processor that determines a magnitude of engine torque vibration using the engine information and the motor information. A weighting value is determined by determining a position of a piston in a cylinder of an engine, ignition timing, an engine angular acceleration, and an engine velocity. A motor arti-phase torque is calculated by reflecting the determined weighting value in the magnitude of the engine torque vibration and a motor is operated based on the motor anti-phase torque to cancel out the engine torque vibration.

Abstract: A vehicle having a drive motor is provided. The vehicle includes a controller that changes the inclination of a drive motor torque command based on a demand torque of a driver or a temperature of a drive motor. A motor controller then operates the drive motor to change the motor torque changes based on the inclination of the motor torque command.

Abstract: An output torque control apparatus for hybrid vehicle is provided. The apparatus includes a motor controller that adjusts motor torque, an engine controller that adjusts engine torque, and a hybrid controller that operates the motor controller and the engine controller based on driving modes of a hybrid vehicle. The hybrid controller calculates transmission input torque corresponding to current request torque, confirms whether a current driving mode an EV mode or a HEV mode, calculates inertia compensation torque corresponding to the confirmed current driving mode, and calculates output torque based on the calculated inertia compensation torque and transmission input torque. Accordingly, at least one of the motor controller or the engine controller is operated based on the calculated output torque.

Abstract: A motor control apparatus and method for damping engine vibration are provided. The apparatus includes a data collection device that collects engine information and motor information and a processor that determines a magnitude of engine torque vibration using the engine information and the motor information. A weighting value is determined by determining a position of a piston in a cylinder of an engine, ignition timing, an engine angular acceleration, and an engine velocity. A motor arti-phase torque is calculated by reflecting the determined weighting value in the magnitude of the engine torque vibration and a motor is operated based on the motor anti-phase torque to cancel out the engine torque vibration.

Abstract: An exhaust manifold may include a main body provided with a plurality of branching passages communicating with a vehicle engine and provided with a single passage communicating with an exhaust canister, the branching passages merging with the single passage; and a coating layer coated on an internal surface of the main body forming the branching passages and the single passage, the coating layer including an aerogel.

Abstract: A vehicle having a drive motor is provided. The vehicle includes a controller that changes the inclination of a drive motor torque command based on a demand torque of a driver or a temperature of a drive motor. A motor controller then operates the drive motor to change the motor torque changes based on the inclination of the motor torque command.

Abstract: A system and method for releasing baulking of a transmission gear of a hybrid vehicle are provided. The method includes comparing a stroke of a gear actuator with a first target value while increasing the stroke of the gear actuator when gear shifting is requested. Additionally, the method includes detecting whether the vehicle is in a stop state, in response to determining that the stroke of the gear actuator is less than a first target value. A motor torque is then increased in response to determining that the vehicle is in a stop state and the stroke of the clutch actuator is increased to be a second target value.

Abstract: An exhaust manifold may include a main body provided with a plurality of branching passages communicating with a vehicle engine and provided with a single passage communicating with an exhaust canister, the branching passages merging with the single passage; and a coating layer coated on an internal surface of the main body forming the branching passages and the single passage, the coating layer including an aerogel.

Abstract: A system and method for releasing baulking of a transmission gear of a hybrid vehicle are provided. The method includes comparing a stroke of a gear actuator with a first target value while increasing the stroke of the gear actuator when gear shifting is requested. Additionally, the method includes detecting whether the vehicle is in a stop state, in response to determining that the stroke of the gear actuator is less than a first target value. A motor torque is then increased in response to determining that the vehicle is in a stop state and the stroke of the clutch actuator is increased to be a second target value.

Abstract: A vibration reduction control apparatus of a hybrid vehicle having a first motor connected to a first side of an engine and a second motor connected to a second side of the engine through an engine clutch, may include a hybrid controller, an engine controller configured to control the engine, a first motor controller configured to control the first motor, a second motor controller configured to control the second motor, and an anti-spring controller configured between the first motor controller and the second motor controller and control torques of the first and second motors using frequencies of the first motor and the second motor, respectively, wherein the hybrid controller is configured to selectively transmit a torque signal of the engine, a torque signal of the first motor, and a torque signal of the second motor to the engine controller, the first motor controller, and the second motor controller, respectively.

Abstract: The present invention relates to devices for controlling torque intervention for reducing input torque of a transmission at the time of an upshift operation of a hybrid vehicle, and more particularly, to devices and methods for controlling torque intervention of a hybrid vehicle, which selectively perform the torque intervention of a motor of the hybrid vehicle or the torque intervention of the motor and an engine. Device and methods for controlling torque intervention of a hybrid vehicle may receive an upshift command from a driver in a hybrid traveling mode, compare an amount of requested torque intervention according to the upshift command with an amount of performing torque intervention of a motor, and selectively perform the torque intervention of the motor or the torque intervention of the motor and an engine.

Abstract: A vibration reduction control apparatus of a hybrid vehicle having a first motor connected to a first side of an engine and a second motor connected to a second side of the engine through an engine clutch, may include a hybrid controller, an engine controller configured to control the engine, a first motor controller configured to control the first motor, a second motor controller configured to control the second motor, and an anti-spring controller configured between the first motor controller and the second motor controller and control torques of the first and second motors using frequencies of the first motor and the second motor, respectively, wherein the hybrid controller is configured to selectively transmit a torque signal of the engine, a torque signal of the first motor, and a torque signal of the second motor to the engine controller, the first motor controller, and the second motor controller, respectively.

Abstract: The present invention provides an exhaust heat recovery device configured to perform heat exchange between three media such as, exhaust gas, coolant, and oil. According to preferred embodiments of the present invention, the exhaust heat recovery device is configured such that the heat of exhaust gas discharged from an engine is transmitted to the coolant and the oil at the same time and direct heat exchange between the coolant and the oil is made, thereby simultaneously increasing the temperature of the coolant and the oil during the initial start-up of the engine (fast warm-up). As a result, it is possible to reduce friction loss of powertrain, thereby improving fuel efficiency. Accordingly, an object of the present invention is to provide an exhaust heat recovery device which is configured to perform the integral heat exchange between the exhaust gas, the coolant, and the oil.

Abstract: The present invention provides an exhaust heat recovery device configured to perform heat exchange between three media such as, exhaust gas, coolant, and oil. According to preferred embodiments of the present invention, the exhaust heat recovery device is configured such that the heat of exhaust gas discharged from an engine is transmitted to the coolant and the oil at the same time and direct heat exchange between the coolant and the oil is made, thereby simultaneously increasing the temperature of the coolant and the oil during the initial start-up of the engine (fast warm-up). As a result, it is possible to reduce friction loss of powertrain, thereby improving fuel efficiency. Accordingly, an object of the present invention is to provide an exhaust heat recovery device which is configured to perform the integral heat exchange between the exhaust gas, the coolant, and the oil.