Patents by Inventor Jae Chang Kook
Jae Chang Kook 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).
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Patent number: 10935128Abstract: An apparatus and a method for controlling a transmission of a vehicle are provided. The apparatus includes a determination device to determine whether to perform speed following control based on state information of a traffic light positioned on a road in front of the vehicle in coasting, a stop position predicting device to predict a stop position of the vehicle based on position information of the vehicle and the traffic light, a transmission stage decision device to determine a target position and a target speed based on the predicted stop position and to form a speed profile for each transmission stage to determine a final transmission stage based on the target position and the target speed, and a controller to perform speed following transmission control based on the final transmission stage.Type: GrantFiled: October 24, 2019Date of Patent: March 2, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Byeong Wook Jeon, Dong Hoon Jeong, Jae Chang Kook, Kwang Hee Park
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Patent number: 10919515Abstract: A device and a method of controlling a transmission of a vehicle may include a determining device that compares road information related to a first road section corresponding to a road section on which the vehicle is currently traveling and a second road section disposed ahead of the first road section to determine a gradient of the second road section, a calculating device that determines an increase amount of a gradient-inducing resistance based on a difference between gradients of the first road section and the second road section according to a determination result from the determining device, and a controller that compares the increase amount of the gradient-inducing resistance with a reference value to perform transmission control and engine torque control based on comparison of the increase amount of the gradient-inducing resistance with the reference value.Type: GrantFiled: September 19, 2019Date of Patent: February 16, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Kwang Hee Park, Byeong Wook Jeon, Jae Chang Kook, Sang Jun Park
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Publication number: 20200408299Abstract: An apparatus and a method for controlling a transmission of a vehicle are provided. The apparatus includes a determination device to determine whether to perform speed following control based on state information of a traffic light positioned on a road in front of the vehicle in coasting, a stop position predicting device to predict a stop position of the vehicle based on position information of the vehicle and the traffic light, a transmission stage decision device to determine a target position and a target speed based on the predicted stop position and to form a speed profile for each transmission stage to determine a final transmission stage based on the target position and the target speed, and a controller to perform speed following transmission control based on the final transmission stage.Type: ApplicationFiled: October 24, 2019Publication date: December 31, 2020Applicants: Hyundai Motor Company, KIA Motors CorporationInventors: Byeong Wook Jeon, Dong Hoon JEONG, Jae Chang KOOK, Kwang Hee PARK
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Patent number: 10871205Abstract: A transmission may include a compound planetary gear set; a first clutch provided to transmit power of an input shaft to a second rotation element of the compound planetary gear set; a third clutch provided to transmit the power of the input shaft to a third rotation element of the compound planetary gear set; an overdrive provided to increase the power of the input shaft; a second clutch provided to transmit the power through the overdrive from the input shaft to the second rotation element of the compound planetary gear set; a fourth clutch provided to transmit the power through the overdrive from the input shaft to a fourth rotation element of the compound planetary gear set; a first brake provided to selectively stop rotation of the third rotation element of the compound planetary gear set; and a second brake provided to selectively stop rotation of the fourth rotation element of the compound planetary gear set.Type: GrantFiled: August 13, 2019Date of Patent: December 22, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jae Chang Kook, Byeong Wook Jeon, Kwang Hee Park, Sang Jun Park, Seong Wook Hwang
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Publication number: 20200391592Abstract: An apparatus for controlling a transmission of a vehicle includes: a determination device that decides whether to perform a forward vehicle-based deceleration tracking control, based on information of the vehicle and a forward vehicle, when the vehicle starts to coast; a calculation device that calculates a target velocity and a target distance based on a position and a velocity of the forward vehicle, when the forward vehicle-based deceleration tracking control is decided to be performed; a gear position decision device that constructs deceleration profiles for respective gears and decides a final gear based on the target velocity and the target distance calculated; and a controller that controls the transmission based on the final gear.Type: ApplicationFiled: November 7, 2019Publication date: December 17, 2020Inventors: Byeong Wook Jeon, Dong Hoon Jeong, Jae Chang Kook, Kwang Hee Park
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Publication number: 20200361467Abstract: An apparatus for shift control in a vehicle includes: a transmission; an acceleration apparatus; and a control circuit electrically connected with the transmission and the acceleration apparatus. The control circuit shifts the transmission from a drive state to a neutral state when an activation condition for coasting is satisfied during travel of the vehicle, and corrects an oil pressure for release of a clutch in the transmission at the time of a kickdown shift, when a driver's input for kickdown is detected through the acceleration apparatus during the coasting.Type: ApplicationFiled: September 19, 2019Publication date: November 19, 2020Inventors: Sang Jun PARK, Byeong Wook JEON, Kwang Hee PARK, Jae Chang KOOK
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Patent number: 10814715Abstract: A power transmission system of a vehicle may include a first input shaft selectively connected to an engine, a second input shaft as a hollow shaft, enclosing the first input shaft without rotational interference with the first input shaft, and selectively connected to the engine, a speed change portion including first and second planetary gear sets, each planetary gear set including three rotation elements, and four rotation shafts directly connected to at least one rotation element among the rotation elements of the first and second planetary gear sets, a motor/generator, an output shaft, and control elements including two clutches disposed at positions where the first and second input shafts are selectively connected to an output shaft of the engine, and two brakes disposed at positions where two rotation shafts among the four rotation shafts are selectively connected to a transmission housing.Type: GrantFiled: February 19, 2020Date of Patent: October 27, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Wonmin Cho, Seong Wook Hwang, Woochurl Son, Hyun Sik Kwon, Jae Chang Kook, Seongwook Ji
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Patent number: 10794475Abstract: A transmission control apparatus may include a determination device that determines a predicted running load on a predetermined section of a road ahead of the vehicle by use of information regarding a grade and a curvature of the predetermined section of the road ahead of the vehicle and determines fuel consumptions for respective gears, based on the predicted running load, a determination device that determines a final gear, based on the determined fuel consumptions for respective gears, and a controller that performs gear shift control for the vehicle, based on the final gear.Type: GrantFiled: June 3, 2019Date of Patent: October 6, 2020Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Byeong Wook Jeon, Kwang Hee Park, Jae Chang Kook, Sang Jun Park
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Publication number: 20200307545Abstract: A device and a method of controlling a transmission of a vehicle may include a determining device that compares road information related to a first road section corresponding to a road section on which the vehicle is currently traveling and a second road section disposed ahead of the first road section to determine a gradient of the second road section, a calculating device that determines an increase amount of a gradient-inducing resistance based on a difference between gradients of the first road section and the second road section according to a determination result from the determining device, and a controller that compares the increase amount of the gradient-inducing resistance with a reference value to perform transmission control and engine torque control based on comparison of the increase amount of the gradient-inducing resistance with the reference value.Type: ApplicationFiled: September 19, 2019Publication date: October 1, 2020Inventors: Kwang Hee PARK, Byeong Wook JEON, Jae Chang KOOK, Sang Jun PARK
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Publication number: 20200309236Abstract: A transmission may include a compound planetary gear set; a first clutch provided to transmit power of an input shaft to a second rotation element of the compound planetary gear set; a third clutch provided to transmit the power of the input shaft to a third rotation element of the compound planetary gear set; an overdrive provided to increase the power of the input shaft; a second clutch provided to transmit the power through the overdrive from the input shaft to the second rotation element of the compound planetary gear set; a fourth clutch provided to transmit the power through the overdrive from the input shaft to a fourth rotation element of the compound planetary gear set; a first brake provided to selectively stop rotation of the third rotation element of the compound planetary gear set; and a second brake provided to selectively stop rotation of the fourth rotation element of the compound planetary gear set.Type: ApplicationFiled: August 13, 2019Publication date: October 1, 2020Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Jae Chang KOOK, Byeong Wook Jeon, Kwang Hee Park, Sang Jun Park, Seong Wook Hwang
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Publication number: 20200309259Abstract: An apparatus and method for controlling a transmission of a vehicle, may include a determination device that determines whether a curve is present within a predetermined distance ahead of the vehicle, based on information regarding a road ahead of the vehicle, a calculation device that determines lateral acceleration of the vehicle based on information regarding the curve and information regarding a state of the vehicle and determines a pattern correction coefficient based on the predicted lateral acceleration, a pattern correction device that corrects a preset gear-shift pattern based on the pattern correction coefficient, and a controller that is configured to control the transmission based on the corrected gear-shift pattern when the vehicle enters the curve.Type: ApplicationFiled: September 24, 2019Publication date: October 1, 2020Inventors: Kwang Hee PARK, Byeong Wook JEON, Jae Chang KOOK, Sang Jun PARK
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Publication number: 20200282995Abstract: A vehicle system includes: a driving control device that controls driving of a vehicle based on a target speed; a transmission control device that transmits a speed control prohibition request to the driving control device when an acceleration event occurs while the vehicle is in a neutral state, and engages a clutch of a transmission while the speed control is prohibited by the driving control device; and an engine control device that outputs a predetermined engine torque in response to a reception of an engine torque control signal from the driving control device.Type: ApplicationFiled: August 20, 2019Publication date: September 10, 2020Inventors: Byeong Wook JEON, Kwang Hee PARK, Jae Chang KOOK, Sang Jun PARK
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Publication number: 20200256464Abstract: An apparatus for controlling a transmission of a vehicle includes a processor configured to identify a location of a speed bump based on collected information about a specified section of a front road and determine whether the vehicle enters a section of the speed bump, and to set an oil pressure of the transmission to a first oil pressure in a normal driving section and set the oil pressure of the transmission to a second oil pressure when the vehicle enters the section of the speed bump, and a controller that controls the oil pressure of the transmission corresponding to a setting of the processor for each driving section of the vehicle.Type: ApplicationFiled: August 29, 2019Publication date: August 13, 2020Inventors: Kwang Hee Park, Sang Jun Park, Seung Jun Shin, Byeong Wook Jeon, Jae Chang Kook
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Patent number: 10713863Abstract: A method of predicting a driving condition of a vehicle may include selecting a first prediction position where a vehicle is predicted to pass afterward while driving and predicting a first driving load of the vehicle at the first prediction position; when the vehicle reaches the first prediction position, measuring a driving condition of the vehicle at the first prediction position; and predicting a second driving load at a second prediction position where the vehicle is predicted to pass afterward by reflecting an error between the first driving load at the first prediction position and the real driving condition at the first prediction position.Type: GrantFiled: July 27, 2018Date of Patent: July 14, 2020Assignees: Hyundai Motor Company, Kia Motors Corp.Inventors: Byeong Wook Jeon, Kwang Hee Park, Jae Chang Kook, Sang Jun Park
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Patent number: 10690241Abstract: A transmission control apparatus for a vehicle includes: a speed prediction device that predicts speeds for each gear stage from a current position of the vehicle to a position of a speed camera based on a driving state of the vehicle when it is identified that the speed camera exists on a road ahead while an operation of an accelerator pedal is in an OFF state; and a controller that determines a transmission gear stage based on the predicted speeds for each gear stage and performs a transmission control operation of the vehicle based on the determined transmission gear stage.Type: GrantFiled: April 25, 2019Date of Patent: June 23, 2020Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Kwang Hee Park, Byeong Wook Jeon, Jae Chang Kook, Sang Jun Park
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Publication number: 20200182350Abstract: A transmission control apparatus for a vehicle includes: a speed prediction device that predicts speeds for each gear stage from a current position of the vehicle to a position of a speed camera based on a driving state of the vehicle when it is identified that the speed camera exists on a road ahead while an operation of an accelerator pedal is in an OFF state; and a controller that determines a transmission gear stage based on the predicted speeds for each gear stage and performs a transmission control operation of the vehicle based on the determined transmission gear stage.Type: ApplicationFiled: April 25, 2019Publication date: June 11, 2020Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Kwang Hee PARK, Byeong Wook JEON, Jae Chang KOOK, Sang Jun PARK
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Publication number: 20200180425Abstract: A power transmission system of a vehicle may include a first input shaft selectively connected to an engine, a second input shaft as a hollow shaft, enclosing the first input shaft without rotational interference with the first input shaft, and selectively connected to the engine, a speed change portion including first and second planetary gear sets, each planetary gear set including three rotation elements, and four rotation shafts directly connected to at least one rotation element among the rotation elements of the first and second planetary gear sets, a motor/generator, an output shaft, and control elements including two clutches disposed at positions where the first and second input shafts are selectively connected to an output shaft of the engine, and two brakes disposed at positions where two rotation shafts among the four rotation shafts are selectively connected to a transmission housing.Type: ApplicationFiled: February 19, 2020Publication date: June 11, 2020Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Wonmin Cho, Seong Wook Hwang, Woochurl Son, Hyun Sik Kwon, Jae Chang Kook, Seongwook Ji
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Patent number: 10661776Abstract: An apparatus for controlling a transmission of a vehicle includes: a prediction device that obtains first driving data of the vehicle while driving in a predetermined section of a road ahead of a speed bump and predicts second driving data of the vehicle behind the speed bump, based on the first driving data of the vehicle; a calculation device that calculates a predicted gear ratio of the transmission, based on the predicted second driving data and a grade of the predetermined section of the road ahead of the speed bump; and a controller that determines a target gear ratio into which a current gear ratio of the transmission is to be shifted based on the predicted gear ratio and performs transmission control for the vehicle according to the determined target gear ratio.Type: GrantFiled: April 25, 2019Date of Patent: May 26, 2020Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jae Chang Kook, Kwang Hee Park, Byeong Wook Jeon, Sang Jun Park
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Patent number: 10661802Abstract: A vehicle may include an engine; a transmission; an accelerator pedal position sensor; a steering wheel; a steering angle sensor; and a processor configured to control the engine according to a position of an accelerator pedal detected by the accelerator pedal position sensor and to shift the transmission to a neutral state when a position of the accelerator pedal coincides with a reference position while the transmission is in a driving state, wherein the processor shifts the transmission to a driving state when a steering angle of the steering wheel detected by the steering angle sensor is equal to or greater than a reference angle while the transmission is in a neutral state.Type: GrantFiled: August 30, 2018Date of Patent: May 26, 2020Assignees: Hyundai Motor Company, Kia Motors CompanyInventors: Jae Chang Kook, Kwang Hee Park, Byeong Wook Jeon, Sang Jun Park
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Publication number: 20200156618Abstract: An apparatus for controlling a transmission of a vehicle includes: a prediction device that obtains first driving data of the vehicle while driving in a predetermined section of a road ahead of a speed bump and predicts second driving data of the vehicle behind the speed bump, based on the first driving data of the vehicle; a calculation device that calculates a predicted gear ratio of the transmission, based on the predicted second driving data and a grade of the predetermined section of the road ahead of the speed bump; and a controller that determines a target gear ratio into which a current gear ratio of the transmission is to be shifted based on the predicted gear ratio and performs transmission control for the vehicle according to the determined target gear ratio.Type: ApplicationFiled: April 25, 2019Publication date: May 21, 2020Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jae Chang KOOK, Kwang Hee PARK, Byeong Wook JEON, Sang Jun PARK