Patents by Inventor Han Hee Park
Han Hee Park has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20220173687Abstract: 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.Type: ApplicationFiled: July 22, 2021Publication date: June 2, 2022Inventors: Ho Rim CHOI, Han Hee PARK, Seong Min KIM, Seon Mi LEE, Ho Sun JANG, Tae Il YOO, Seung Hyeon BIN
-
Publication number: 20220123687Abstract: 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.Type: ApplicationFiled: July 29, 2021Publication date: April 21, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Tae Il YOO, Seong Min KIM, Seon Mi LEE, Ho Sun JANG, Ho Rim CHOI, Han Hee PARK, Seung Hyeon BIN
-
Publication number: 20210313924Abstract: 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.Type: ApplicationFiled: December 15, 2020Publication date: October 7, 2021Inventors: Tae Il Yoo, Jae Hyeon Lee, Seong Min Kim, Hyun Woo Noh, Han Hee Park, Ji Wan Cha
-
Patent number: 11133765Abstract: 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.Type: GrantFiled: June 10, 2019Date of Patent: September 28, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Ji Wan Cha, Han Hee Park, Jae Hyeon Lee, Seong Min Kim, Hyun Woo Noh, Tae Il Yoo
-
Patent number: 11031887Abstract: A motor control device includes: a storage configured to store reference Lissajous values; and a controller configured to apply an excitation signal to a resolver; receive an output signal output from the resolver, to obtain a Lissajous value corresponding to the received output signal, to determine that an external noise is input when the obtained Lissajous value is different from the reference Lissajous values, and to control driving of a motor based on the obtained Lissajous value when the obtained Lissajous value is equal to any one of the reference Lissajous values. A vehicle having the motor control device may further include a battery configured to transmit power to the motor and to be charged by regenerative braking of the motor.Type: GrantFiled: August 1, 2019Date of Patent: June 8, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jiwan Cha, Han Hee Park, JaeHyeon Lee, Seongmin Kim, Hyunwoo Noh, Taeil Yoo
-
Publication number: 20210067006Abstract: 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.Type: ApplicationFiled: July 6, 2020Publication date: March 4, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jae Hyeon Lee, Han Hee Park, Seong Min Kim, Hyun Woo Noh, Tae Il Yoo, Ji Wan Cha
-
Publication number: 20200169198Abstract: A motor control device includes: a storage configured to store reference Lissajous values; and a controller configured to apply an excitation signal to a resolver; receive an output signal output from the resolver, to obtain a Lissajous value corresponding to the received output signal, to determine that an external noise is input when the obtained Lissajous value is different from the reference Lissajous values, and to control driving of a motor based on the obtained Lissajous value when the obtained Lissajous value is equal to any one of the reference Lissajous values. A vehicle having the motor control device may further include a battery configured to transmit power to the motor and to be charged by regenerative braking of the motor.Type: ApplicationFiled: August 1, 2019Publication date: May 28, 2020Inventors: Jiwan CHA, Han Hee PARK, JaeHyeon LEE, Seongmin KIM, Hyunwoo NOH, Taeil YOO
-
Publication number: 20200136535Abstract: 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.Type: ApplicationFiled: June 10, 2019Publication date: April 30, 2020Inventors: Ji Wan Cha, Han Hee Park, Jae Hyeon Lee, Seong Min Kim, Hyun Woo Noh, Tae Il Yoo
-
Patent number: 10401197Abstract: An apparatus and method are provided for compensating for a position error of a resolver that compensates for positions in the overall speed range using resolver position error measured at a specific speed by providing an angle tracking observer (ATO) for calculating angle information. The ATO compensates for the position errors in the overall speed range based on the position errors measured at the specific speed, to an inside of a resolver-digital converter. The method includes digitalizing detected position information of the motor rotor and receiving the digitalized position information from a resolver-digital converter to measure the position error. An electrical angular velocity of the position error is determined and the position error at the electrical angular velocity 0 is calculated and stored. The position error at a current electrical angular velocity is converted into and compensated for using the calculated position error based on the current electrical angular velocity.Type: GrantFiled: December 15, 2014Date of Patent: September 3, 2019Assignee: Hyundai Motor CompanyInventors: Joo Young Park, Han Hee Park, Tae Il Yoo, Byung Hoon Yang, Chin Wook Paek, Hyung Bin Ihm
-
Patent number: 9731699Abstract: 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.Type: GrantFiled: July 1, 2015Date of Patent: August 15, 2017Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Tae Il Yoo, Gu Bae Kang, Neung Seop Oh, Hyung Seuk Ohn, Han Hee Park, Seong Yeop Lim, So Young Sim
-
Patent number: 9469302Abstract: A torque control apparatus includes: a flux linkage estimator estimating a variation of flux linkage based on a difference between a current temperature of a motor measured by a temperature sensor and a predefined reference temperature; a torque compensation value calculator calculating a torque compensation value corresponding to the current temperature of the motor based on the estimated variation of flux linkage; and a torque compensator compensating for an error of required torque of a torque command by applying the calculated torque compensation value in response to a change in temperature of the motor and outputting a final torque command including the error-compensated required torque to a current map of a motor controller.Type: GrantFiled: September 30, 2015Date of Patent: October 18, 2016Assignee: Hyundai Motor CompanyInventors: Han Hee Park, Gu Bae Kang, Tae Il Yoo
-
Publication number: 20160185334Abstract: 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.Type: ApplicationFiled: July 1, 2015Publication date: June 30, 2016Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Tae Il YOO, Gu Bae KANG, Neung Seop OH, Hyung Seuk OHN, Han Hee PARK, Seong Yeop LIM, So Young SIM
-
Publication number: 20160114801Abstract: A torque control apparatus includes: a flux linkage estimator estimating a variation of flux linkage based on a difference between a current temperature of a motor measured by a temperature sensor and a predefined reference temperature; a torque compensation value calculator calculating a torque compensation value corresponding to the current temperature of the motor based on the estimated variation of flux linkage; and a torque compensator compensating for an error of required torque of a torque command by applying the calculated torque compensation value in response to a change in temperature of the motor and outputting a final torque command including the error-compensated required torque to a current map of a motor controller.Type: ApplicationFiled: September 30, 2015Publication date: April 28, 2016Inventors: Han Hee Park, Gu Bae Kang, Tae Il Yoo
-
Patent number: 9306489Abstract: A method and system for controlling a vehicle motor are provided. The system includes an inverter that controls the motor to receive a torque command from an external system and output a torque based on the torque command. Additionally, a current command is generated based on the torque command and a operation condition of the motor. A voltage command is generated to be applied to the motor based on the current command and the operation condition of the motor. A pulse width modulation (PWM) command is generated based on the voltage command and the operation condition of the motor. The PWM command is converted to a voltage in a PWM form based on the motor operation condition and is applied to the motor. Then, an unwanted torque output of the motor generated based on a nonlinear characteristic of the motor is added and subtracted to and from the torque command.Type: GrantFiled: December 23, 2013Date of Patent: April 5, 2016Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Taeil Yoo, Han Hee Park
-
Publication number: 20150362347Abstract: An apparatus and method are provided for compensating for a position error of a resolver that compensates for positions in the overall speed range using resolver position error measured at a specific speed by providing an angle tracking observer (ATO) for calculating angle information. The ATO compensates for the position errors in the overall speed range based on the position errors measured at the specific speed, to an inside of a resolver-digital converter. The method includes digitalizing detected position information of the motor rotor and receiving the digitalized position information from a resolver-digital converter to measure the position error. An electrical angular velocity of the position error is determined and the position error at the electrical angular velocity 0 is calculated and stored. The position error at a current electrical angular velocity is converted into and compensated for using the calculated position error based on the current electrical angular velocity.Type: ApplicationFiled: December 15, 2014Publication date: December 17, 2015Inventors: Joo Young Park, Han Hee Park, Tae Il Yoo, Byung Hoon Yang, Chin Wook Paek, Hyung Bin Ihm
-
Publication number: 20150180387Abstract: A motor controller includes a variable controller, a current controller and an electric power module. The variable controller is configured to receive a torque command, a position of a rotor of a motor, and a motor rotation speed, change a first axis current command and a second axis current command according to variation of the position of the rotor of the motor, and output the first axis current command and the second axis current command. The current controller is configured to transform the first axis current command and second axis current command to a first axis voltage command and a second axis voltage command, respectively. The electric power module is configured to provide the first axis voltage command and second axis voltage command, modulated by pulse width modulation.Type: ApplicationFiled: October 10, 2014Publication date: June 25, 2015Inventors: Taeil YOO, Han Hee PARK
-
Publication number: 20150102753Abstract: A method and system for controlling a vehicle motor are provided. The system includes an inverter that controls the motor to receive a torque command from an external system and output a torque based on the torque command. Additionally, a current command is generated based on the torque command and a operation condition of the motor. A voltage command is generated to be applied to the motor based on the current command and the operation condition of the motor. A pulse width modulation (PWM) command is generated based on the voltage command and the operation condition of the motor. The PWM command is converted to a voltage in a PWM form based on the motor operation condition and is applied to the motor. Then, an unwanted torque output of the motor generated based on a nonlinear characteristic of the motor is added and subtracted to and from the torque command.Type: ApplicationFiled: December 23, 2013Publication date: April 16, 2015Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANYInventors: Taeil Yoo, Han Hee Park