Hyundai Motor Company

Kia Corporation

Kia Motors Corporation

Hyundai Mobis Co., Ltd.

Seong Min Kim

Seung Hyeon Bin

Tae Il Yoo

Han Hee Park

Ho Rim Choi

Ho Sun Jang

Seon Mi Lee

Ji Wan Cha

Hyun Woo Noh

Jae Hyeon Lee

Sang Woo Park

Tae Ii Yoo

Jun Young Lim

Yong Hyun Kim

Jae Sang Lim

Young Un Kim

Kil Young Youn

Byung Su Kim

Dae Woong Han

Jeong Won Rho

Dong Jin Nam

Sang Jin Heo

Sang Hwan Kim

Jeong Won Roh

Byung Oh Tak

Geum Hyeon Lee

Jin Ho You

Jin Wook Kang

A multi-input charging system and method using a motor driving device: the system includes a first inverter including a plurality of first switching elements, a second inverter including a plurality of second switching elements, a battery connected to a charging power input terminal or one end of the second inverter through a charging switch, and a controller configured to directly charge the battery through the charging power input terminal by selectively connecting the charging switch when a battery charging mode is started, and when connection of the charging switch is impossible, control the first switching elements and the second switching elements such that the charging power input terminal and the battery are connected through the first inverter, a motor, and the second inverter in a bypass manner.

Multi-input charging system and method using motor driving device

An embodiment battery module for a vehicle includes first and second battery cells each having a planar shape, each battery cell being extended in one direction and including a positive electrode and a negative electrode separated from each other in a widthwise direction of the battery cells, and a main cartridge including an insertion space in which the battery cells are slidably inserted with the electrodes arranged alternately in a stacking direction and protruding outwards, wherein a stepped portion is provided in an inward end portion of the insertion space, inner surfaces of the stepped portion that are in contact with each end portion of the battery cells are spaced apart from each other in a sliding direction of the battery cells, and the end portions of the electrodes are in contact and overlap with each other when the electrodes are bent in the stacking direction to be connected to each other.

Battery module for vehicle

A charging system for an electrified vehicle includes: a first switch unit selectively connected at one end thereof to first ends or to second ends of a plurality of coils included in a motor; a plurality of switches each connected at one end thereof to another end of the first switch unit while other ends of the plurality of switches are inter-shorted to form a neutral point of the motor; and a controller configured to control a switching state of the first switch unit.

Charging system for an electrified vehicle

A motor driving apparatus includes a motor having a plurality of windings, a first inverter which is connected to a first end of each of the plurality of windings and drives the motor, a second inverter which is connected to a second end of each of the plurality of windings and selectively drives the motor according to a motor drive mode, and a controller which generates a current command for the motor according to a torque command and a voltage utilization rate control value, determines whether to perform linearization control for the current command based on a present counter magnetic flux of the motor and a switching reference counter magnetic flux for the motor drive mode, and adjusts the voltage utilization rate control value such that a value of the current command is linearized in a section in which the linearization control is performed.

Motor driving apparatus and control method thereof

An electrified vehicle includes a motor including a plurality of windings, a first inverter connected to a first end of each of the plurality of windings and configured to drive the motor, a second inverter connected to a second end of each of the plurality of windings and configured to drive the motor in a second driving mode of a first driving mode and the second driving mode, a first controller configured to determine one of first and second output limit lines as an output limit line of the first driving mode, depending on whether a preset condition is satisfied, and a second controller configured to bidirectionally switch the first driving mode and the second driving mode within an operating point range according to the output limit line of the first driving mode in accordance with a value of a torque command for the motor and counter magnetic flux of the motor.

Electrified vehicle and method of controlling same

The present disclosure relates to a system for controlling a motor of a vehicle for increasing control accuracy of the motor for driving the vehicle, and an object of the present disclosure is to provide a system for controlling a motor of a vehicle, which may accurately perform a motor control even when a battery voltage (i.e., motor voltage) applied to the motor upon the driving control of the motor is changed.

System for controlling motor of vehicle

A charging control method for an electric vehicle is configured to boost a charging voltage by using a motor and an inverter, and includes steps of determining whether a current imbalance control is normally operated based on currents input from the motor to three-phase inputs of the inverter during charging, determining whether a current sensor is deteriorated based on a result of an internal temperature sensing of the inverter when the current imbalance control is in a normal operation, and adjusting a scale of the current sensor to maintain the charging, when a deterioration of the current sensor is detected, as a result of the determination.

Method and apparatus for controlling charging of electric vehicle

An apparatus for controlling charging of an electric vehicle is configured to calculate a rotor torque expected to occur during charging based on an angle of a rotor provided in a driving motor before charging is performed by multiple input voltages, and allow charging to be performed after inducing the rotor torque to be less than a reference torque by moving the electric vehicle a specified distance to correct the rotor angle when the calculated rotor torque is greater than the reference torque so as to avoid deterioration or damage to a parking sprag. As a result, it is possible to prevent the parking sprag from being damaged by the rotor torque generated during charging so as to avoid the occurrence of an accident.

Apparatus and method for controlling charging of electric vehicle

A motor driving device for driving a motor having multiple windings corresponding to multiple phases, respectively, may include: a first inverter including multiple first switching elements and connected to a first end of each of the multiple windings; a second inverter including multiple second switching elements and connected a second end of each of the multiple windings; a third switching element configured to connect/disconnect points, at which the number of turns of each of the multiple windings is partitioned based on a predetermined ratio, to/from each other; and a controller configured to control, based on the required output of the motor, an on/off state of the first switching elements to the third switching element.

Motor driving device and method for controlling same

An automotive motor driving apparatus includes: a first motor including a plurality of wires; and a second motor including a plurality of wires including first ends connected to each other. The motor driving apparatus includes: a first inverter connected to first ends of the wires of the motor and including a plurality of first switching devices; a second inverter connected to second ends of the wires of the first motor and including a plurality of second switching devices; a third inverter connected to second ends of the wires of the second motor; and a controller configured to drive the second motor by performing pulse width control on the third switching devices when a problem occurs in the second inverter while driving the first motor in an open end winding mode in which pulse width modulation control is performed on both of the first switching devices and the second switching devices.

Motor driving apparatus and method of controlling same

A motor with a cooling system is provided. The motor includes a cooling system cooling a stator with coils wound on a core, in which the cooling system includes a plurality of spray pipes having a plurality of holes and spraying oil through the holes, the plurality of spray pipes is positioned between the stator and a housing of the motor, and the plurality of spray pipes includes pipes disposed at a center over the stator and at both sides spaced apart from each other in a circumferential direction of the stator from the center with predetermined gaps therebetween.

Motor provided with cooling system

An iron loss reduction control apparatus for motor permanent magnet overtemperature protection is provided. The apparatus includes: a permanent magnet temperature prediction unit configured to predict a temperature of a permanent magnet in a motor based on a driving state of the motor; a first iron loss reduction unit configured to adjust a switching frequency of a switching element in an inverter providing a driving power to the motor based on the temperature of the permanent magnet; and a second iron loss reduction unit configured to adjust a current command of the motor based on the temperature of the permanent magnet.

Iron loss reduction control apparatus and method for motor permanent magnet overtemperature protection

A motor driving apparatus may include a first inverter circuit including a plurality of first switching devices and connected to a first end portion of each of a plurality of windings in a motor corresponding to a plurality of phases of the motor, respectively, a second inverter circuit including a plurality of second switching devices and connected to a second end portion of each of the plurality of windings, and a plurality of selection switching devices having first end portions connected to a node to which the plurality of windings and the plurality of second switching devices are connected and second end portions connected to each other.

Motor driving apparatus and method

A power conversion system includes an inverter having a three-phase circuit including a plurality of power semiconductor devices and configured to supply driving power to a motor according to an applied torque command, and a controller configured to predict a maximum temperature of the inverter based on an actual measured temperature of any one of the plurality of power semiconductor devices and phase current of the motor, and to actively limit the torque command depending on the predicted maximum temperature of the inverter.

Power conversion system and control method for vehicle motor

An apparatus for driving a motor for an eco-friendly vehicle is provided. The apparatus includes a motor that has a rotor and a stator and a controller that operates the motor. The motor includes a plurality of stator coils and stator relays and the controller operates the stator relays based on an operation mode to adjust the number of turns of the stator coils.

Growing community of inventors

Gyeongsangnam-do, South Korea

Seong Min Kim