Hyundai Motor Company

Kia Motors Corporation

Hyundai Autron Company Ltd.

Kia Corporation

Sl Corporation

Kia Motors Cornoration

Choong Seob Park

Ji Haeng Lee

Kang Hee Cho

Doo Jin Jang

Jin Hyun Kim

Hyung Ju Lee

Chul Sung Lee

Ga Hee Lee

So Jeong Kang

Si Kwang Lee

Hak Mo Yoo

Ho Deuk Song

Min Jung Bae

Seok Hyun Hwang

A single channel-based multi-functional light emitting diode lamp driving system includes: first and second light source groups distinguished for each lamp function thereof; a single LED lamp driving module adjusting an input voltage to a voltage required for each lamp function and to apply it to the first and second light source groups; a switching module controlling on or off of the first and second light source groups; and a control module controlling light amounts of the first and second light source groups by performing time-division control on an on or off time of the switching module in conjunction with the LED lamp driving module, wherein the control module is configured to perform time division turn-on control on the first and second light source groups by controlling at least one of a current value applied to the first and second light source groups or a duty ratio thereof in a high-beam passing mode.

System for single channel based multi-function LED lamp drive

A device for controlling a vehicle is provided. The device includes an input device for receiving a user input, a state sensing device for sensing a vehicle state change in response to the user input, and a controller configured to determine whether to apply a driving current of an actuator to a switching device based on the vehicle state change.

Device and method for controlling vehicle

The present disclosure provides a brushless direct current (BLDC) motor overload detection apparatus. The BLDC motor overload detection apparatus includes a measurer for measuring an electrical angle of the BLDC motor, a determiner for determining whether a difference between the electrical angle measured by the measurer and a mechanical angle of the BLDC motor, estimated through current supplied to the BLDC motor, is within a predetermined range, and a driving controller for control of driving of the BLDC motor according to whether the BLDC motor stalls, determined by the determiner.

Apparatus and method for detecting BLDC motor overload

A system for driving a multi-functional light emitting diode (LED) lamp includes a first light source group and a second light source group classified depending on lamp functions, a single LED lamp driving device to regulate an input voltage to a voltage necessary for each lamp function and to apply the voltage to the first light source group and the second light source group, a switching device to control an On/Off state of the first light source group and the second light source group, and a control device to time-division control a time to turn on/off the switching device by internetworking with the LED lamp driving device and to control a light quantity of the first light source group and the second light source group.

System and method for driving multi-functional LED lamp based on single channel

The present disclosure provides a brushless direct current (BLDC) motor overload detection apparatus. The BLDC motor overload detection apparatus includes a measurer for measuring a 3-phase current value applied to the BLDC motor to derive a sector value matched with the 3-phase current value, a determiner for determining whether the sector value is normal by comparing the sector value derived by the measurer with a previous sector value that is previously measured, and a driving controller for controlling driving of the BLDC motor according to whether the BLDC motor has a fault, determined by the determiner.

Apparatus and method for detecting overload of BLDC motor

An injector driver and an operating method thereof are provided in which a driving semiconductor directly controls a brake signal when a brake error occurs in driving an injector, to thus secure a safety function. The injector driver a driving semiconductor configured to transmit an interrupt signal for acknowledging whether a brake signal has been received to a micro-control unit (MCU) when a brake signal is applied. In addition, the driving semiconductor receives a brake signal recognition acknowledgement response signal from the MCU and detects whether the MCU has an error based on the brake signal recognition acknowledgement response signal reception result. Further, the driving semiconductor operates an injector driving signal when the response signal is not received from the MCU for a predetermined period of time.

Injector driver and operating method thereof

A device for correcting injector characteristics includes: an injector-characteristic detection unit that outputs a selection signal by detecting drive characteristics of injectors in response to a selection control signal; a selection control unit that outputs the selection control signal for selecting a factor for deviation correction to the injector-characteristic detection unit; a selection confirmation unit that confirms a variation value of the factor corresponding to the selection signal; a deviation correction unit that calculates a deviation compensation value corresponding to the injector characteristics in response to an output signal of the selection confirmation unit, and thus output a correction signal; a control unit that generates a correction clock in response to the correction signal; and an output drive unit that controls driving of the injectors in response to the correction clock.

Device for correcting injector characteristics

An injector driver and a method of controlling the injector driver are provided. A defect of a driving channel is detected by enabling an identification of safety inspection for each channel in a driving semiconductor during an idle mode. The injector driver includes a plurality of driving switches that operate an injector and a driving semiconductor that drives of the driving switches. In addition, the driving semiconductor determines a short defect of the injector during an idle mode and detects and stores the defective short in a channel unit.

Injector driver and method of controlling the same

A technique for correcting injector characteristics is provided. In particular, a micro control unit is configured to generate a control pulse for controlling the operation of an injector; and a driving semiconductor is configured to detect and calculate a driving characteristic of the injector and compensating for injection timing of the control pulse in accordance with a deviation in injection timing of the injector.

Technique for correcting injector characteristics in engine of vehicle

A motor driving device for a vehicle includes a brushless DC (BLDC) motor driving device for optimizing electromagnetic compatibility (EMC). The motor driving device includes: a motor controller that controls driving of a motor in response to an operation of a switching element; and a drive semiconductor that controls a drive current of the motor controller in response to a predetermined register value, and controls electromagnetic compatibility (EMC) tuning by adjusting a switching time of the switching element in response to a drive current that is charged or discharged in or from the motor controller.

Motor driving device for vehicle

A serial communication test device, a system including the same, and a method thereof are provided, which relate to a technology that allows a master chip and a slave ship for Serial Peripheral Interface (SPI) communication to double-check data to increase reliability. The serial communication test device includes an interface that is configured to transmit and receive data to and from an external chip. A controller is configured to store data to be error-checked in a register to output the stored data to the external chip through the interface and to store data received from the external chip through the interface in a data storage unit. The controller compares the data stored in the register with the data stored in the data storage unit and determines whether the data stored in the register is substantially similar to data to be error-checked.

Serial communication test device, system including the same and method thereof

An apparatus and method for monitoring multiple micro-cores enable one watchdog to monitor a plurality of micro-cores. The multiple micro-core monitoring apparatus includes: a plurality of micro-cores that periodically output clear signals having different pulse waves; and a watchdog that respectively receives the clear signals having different pulse waves so as to determine presence or absence of an error in the micro-cores, and reset an erroneous micro-core.

Growing community of inventors

Gyeonggi-do, South Korea

Choong Seob Park