Hyundai Motor Company

Kia Motors Corporation

Hyundai Mobis Co., Ltd.

Kia Corporation

Samsung Electronics Co., Ltd.

Snu Rdb Foundation

Raontrm Co., Ltd.

Jae Ho Hwang

Yong Jae Lee

Joo Young Park

Su Hyun Bae

Jung Mo Yu

Jae Hyeon Park

Jung Hwi Kim

Mu Shin Kwak

Sung Kyu Kim

Young Soo Hwang

Byung Hyuk Park

Byeong Yeol Kim

Yong Kim

Min Ho Kim

Ho Joon Shin

Jae Sang Lim

Young Un Kim

Tae Young Chung

Jin Young Oh

Jwa Min Nam

Jang Yoon Jeong

You Tae Park

Byung Yeol Kim

Yong Ju Lee

Dae Chul Kang

Min Hwan Wi

Ik Su Shin

Kwang Seok Jang

The present invention relates to a high-performance adhesive roll cleaner including: an adhesive tape roll formed by winding an adhesive tape, having an adhesive layer formed on one surface of a warp-knitted fabric base layer, so that the adhesive layer faces outward; and a support body configured to rotatably support the adhesive tape roll; wherein the warp-knitted fabric base layer may be continuously cut at intervals of 2 mm. The present invention may provide remarkable advantages in that the adhesive tape may be easily cut at a desired position during use, and may be used repeatedly due to the excellent initial tack thereof, so that the economic efficiency thereof may be maximized while the waste thereof is prevented.

High-performance adhesive roll cleaner

A motor driving apparatus of driving a motor including a plurality of windings respectively corresponding to a plurality of phases is disclosed The motor driving apparatus includes a first inverter including a plurality of first switching elements and connected to a first end of each of the windings, a second inverter including a plurality of second switching elements and connected to a second end of each of the windings, and a controller connected to the first switching elements and the second switching elements and configured to determine an effective vector closest to a voltage vector corresponding to a preset voltage command of the motor as a duty of the plurality of second switching elements and to control pulse width modulation of the first switching elements using a value obtained by adding the effective vector corresponding to the duty of the second switching elements to the voltage command of the motor as a voltage command of the first inverter.

Motor driving apparatus

A motor driving apparatus that drives a motor including a plurality of windings respectively corresponding to a plurality of phases, may include a first inverter including a plurality of first switching elements, and connected to a first end of each of the windings; a second inverter including a plurality of second switching elements, and connected to a second end of each of the windings; and a controller including a current controller to produce, based on a predetermined current command of the motor, a voltage command for determining a switching duty of the first switching elements and the second switching elements, wherein the current controller is configured to produce a zero-phase component voltage command among the voltage commands by applying 3harmonic feedforward compensation.

A charging system and method using a motor driving system which can charge a vehicle battery using charging equipment providing various voltages using a motor driving system provided in a vehicle and improve charging efficiency by selectively determining a charging mode in response to an actual voltage state of the vehicle battery.

Charging system and method using motor driving system

A battery heating system and method using a motor driving system are provided. A temperature of a battery is increased by injecting an alternating current into the battery so that charging and discharging of the battery is repeated using the motor driving system including an inverter and a motor provided in a vehicle.

Battery heating system and method using motor driving system

A battery-heating system and method using a motor-driving system is provided. The battery-heating system includes an inverter having legs respectively including a pair of switching elements connected in series between the ends of a battery and corresponding to a plurality of phases. A motor of the system includes coils each having one end connected to a connection end between a pair of switching elements of the legs, other ends of the plurality of coils being connected together. A controller determines one of the plurality of phases as a reference phase, and alternately controls the on-off states of the switching elements so that the on-off state of the switching element included in the leg corresponding to the reference phase and the switching element included in the other leg are mutually complementary, thereby generating AC current to be injected into the battery.

System and method for heating battery using motor driving system

A system for increasing a temperature of a battery includes: an inverter comprising a plurality of legs corresponding to a plurality of phases, respectively, wherein each of the legs comprises a pair of switching elements connected in series to both terminals of the battery, respectively; a motor comprising a plurality of coils corresponding to the plurality of phases, respectively, wherein each of the plurality of coils has one end connected to a connection node between the pair of switching elements included in each leg of the inverter, each leg corresponding to each of the plurality of coils, and other ends of plurality of coils are connected to each other; and a controller generating a battery application AC current applied to the battery by controlling on and off states of the pair of switching elements included in the legs of the inverter.

System and method for increasing temperature of battery

A DC-to-DC converter includes a first capacitor, first to fourth switches connected in series between first and second electrodes of the first capacitor, a second capacitor connected to a connection node of the first switch and the second switch and a connection node of the third switch and the fourth switch, an inductor connected to a connection node of the second switch and the third switch, and a controller that performs PWM control. In a case where a failure occurs in the second capacitor, the DC-to-DC converter performs PWM control such that the first switch and the second switch enter the same state and the third switch and the fourth switch enter the same state on the basis of a result of comparison between a first detection voltage that is a measured output voltage and a target output voltage of the DC-to-DC converter.

DC-to-DC converter capable of operating despite capacitor failure

A DC-to-DC converter includes a first capacitor, first, second, third, and fourth switches connected in series between first and second electrodes of the first capacitor, a second capacitor connected to a connection node of the first switch and the second switch and a connection node of the third switch and the fourth switch, an inductor connected to a connection node of the second switch and the third switch, and a controller that controls an on/off state of each of the first to fourth switches on the basis of a value obtained by applying a reciprocal of a detection current that is a measured current flowing through the inductor to a difference between a first detection voltage and a first voltage instruction value and a difference between a second detection voltage and a second voltage instruction value.

DC-to-DC converter including flying capacitor

A charging power supplying system using a motor driving system includes an inverter that is connected to a battery, includes at least one switching device, and is configured to change an on/off state of the switching device and to convert power stored in the battery to output the converted power to an output terminal of the inverter, a motor including a plurality of coils that each receive power provided from the output terminal of the inverter, a charging power output terminal that is connected to a neutral point to which the plurality of coils of the motor is commonly connected and outputs current output from the neutral point to an external charging target, and a controller configured to control the switching device in the inverter based on current of the output terminal of the inverter.

Charging power supplying system using motor driving system

A system for increasing a temperature of a battery includes an inverter including a plurality of legs each including one pair of switching devices connected in series to each other between opposite ends of the battery and corresponding to a plurality of phases, respectively, a motor including a plurality of coils corresponding to the plurality of phases, respectively, where one end of each of the plurality of coils is connected to a connection node between one pair of switching devices included in a corresponding leg and other ends of the coils are connected to each other, and a controller configured to select two phases of the plurality of phases, and to alternately control an on/off state of switching devices included in two legs in the inverter, corresponding to the two selected phases, at a preset switching frequency to generate alternating current (AC) supplied to the battery.

System and method for increasing temperature of battery using motor driving system

An apparatus for controlling a charging system using a motor-driving system is configured to suppress the occurrence of torque in a motor when a battery is charged by receiving the supply of external charging current to a neutral point of the motor.

Apparatus for controlling charging system using motor-driving system

A flying DC-to-DC converter has a capacitor protection function of preventing a flying capacitor from overheating. The flying DC-to-DC converter estimates the temperature of a capacitor on the basis of a switching duty and an inductor current determined according to a result of comparison between an output voltage and a voltage instruction value, and determines whether to perform de-rating.

DC-to-DC converter

A charging system using a motor driving system, the motor driving system including: a battery and an inverter, the inverter configured to receive and convert a direct current (DC) power stored in the battery into a three-phase alternating current (AC) power and to output the three-phase AC power to a motor when the motor is driven and the motor configured to generate a rotation force using the three-phase AC power output from the inverter, the charging system includes a controller configured to control the inverter to boost a voltage at a neutral point of the motor and to output the boosted voltage to the battery by determining duty values of switching elements in the inverter when an external charging current is provided to the neutral point of the motor.

Charging system using motor driving system

A charging system and a charging method using a motor driving system are disclosed which may enable charging between vehicles each having a battery for providing power to a vehicle driving motor, such as electric vehicles or plug-in hybrid vehicles.

Growing community of inventors

Daejeon, South Korea

Jae Ho Hwang