Patents by Inventor Joseph D. Chang

Joseph D. Chang 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).

  • Patent number: 10507835
    Abstract: The present disclosure provides a system for controlling cornering of a vehicle and a method thereof. The method of controlling cornering of a vehicle may include: determining whether a cornering control condition is satisfied based on a lateral acceleration; detecting a displacement of an accelerator pedal when the cornering control condition is satisfied; calculating a sport index based on the displacement of the accelerator pedal and a predetermined value; and setting operating modes of a power train and a suspension system based on at least one of the sport index or the lateral acceleration.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: December 17, 2019
    Assignees: Hyundai Motor Company, KIA Motors Corporation
    Inventors: Sangjun Park, Joseph D. Chang, Byeong Wook Jeon, Tae Hee Cho
  • Publication number: 20180170387
    Abstract: The present disclosure provides a system for controlling cornering of a vehicle and a method thereof. The method of controlling cornering of a vehicle may include: determining whether a cornering control condition is satisfied based on a lateral acceleration; detecting a displacement of an accelerator pedal when the cornering control condition is satisfied; calculating a sport index based on the displacement of the accelerator pedal and a predetermined value; and setting operating modes of a power train and a suspension system based on at least one of the sport index or the lateral acceleration.
    Type: Application
    Filed: September 27, 2017
    Publication date: June 21, 2018
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sangjun PARK, Joseph D. CHANG, Byeong Wook JEON, Tae Hee CHO
  • Patent number: 9446754
    Abstract: A system of controlling starting of a vehicle may include a vehicle speed sensor detecting vehicle speed, an accelerator pedal position sensor detecting position of an accelerator pedal, a brake pedal position sensor detecting when a brake pedal may be operated or not, a distance sensor detecting a distance from a previous vehicle, a timer detecting time lapse from particular time, and a controller electrically connected to the vehicle speed sensor, the accelerator pedal position sensor, the brake pedal position sensor, the distance sensor and the timer, and adapted to change starting pattern according to the distance from the previous vehicle and to perform starting control according to the changed starting pattern when the vehicle may be started in a stopped state.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: September 20, 2016
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Joseph D Chang, Byeong Wook Jeon, Dong Hoon Jeong
  • Patent number: 9393955
    Abstract: An apparatus for processing road information includes: a global positioning system (GPS) sensor configured to detect a location of a vehicle; a navigation device configured to output short-range road information and long-range road information according to a location of the vehicle; and a vehicle controller configured to restore forward road information by using the short-range road information and the long-range road information and control an engine or a transmission according to the forward road information.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: July 19, 2016
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Hoon Jeong, Joseph D Chang, Byeong Wook Jeon
  • Patent number: 9324029
    Abstract: A method of determining a short term driving tendency and a system of controlling shift using the same that reflects precisely a will of a driver on the shift by determining a short term driving tendency is disclosed. The method may include detecting input variables, determining whether determination condition of the short term driving tendency is satisfied, calculating tendencies and output membership function values according to a plurality of fuzzy rules based on the input variables if the determination condition of the short term driving tendency is satisfied, and determining a short term driving tendency index based on the tendencies and the output membership function values according to the plurality of fuzzy rules.
    Type: Grant
    Filed: December 30, 2013
    Date of Patent: April 26, 2016
    Assignee: Hyundai Motor Company
    Inventors: Byeong Wook Jeon, Joseph D. Chang, Dong Hoon Jeong
  • Patent number: 9193357
    Abstract: A system and a method of determining a long term driving tendency of a driver may include a data detector detecting data for determining the long term driving tendency and a short term driving tendency of the driver; and a controller determining the short term driving tendency and the long term driving tendency of the driver based on the data received from the data detector, and controlling an engine or a transmission according to the short term driving tendency of the driver or the long term driving tendency of the driver, wherein the controller continuously determines the short term driving tendency of the driver for a predetermined time and determines the long term driving tendency of the driver from a predetermined number (n) of short term driving tendencies of the driver.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: November 24, 2015
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Byeong Wook Jeon, Joseph D Chang, Dong Hoon Jeong
  • Patent number: 9182035
    Abstract: A shift control apparatus for a vehicle may include a GPS sensor detecting a vehicle location, a navigation device outputting short-distance road information and long-distance road information using the vehicle location, a vehicle controller restoring forward road information using the short-distance road information and the long-distance road information, and determining a degree of curve and an average degree of inclination of a road using the forward road information, and a vehicle shifting unit having a shift controller controlling a shift pattern of a transmission using the degree of curve and the average degree of inclination.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: November 10, 2015
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Dong Hoon Jeong, Joseph D. Chang, Byeong Wook Jeon
  • Patent number: 9168831
    Abstract: A system and a method of controlling vehicle starting may include a wheel speed sensor detecting a speed of at least one wheel among wheels of the vehicle, a vehicle speed detector detecting a vehicle speed, an acceleration detector detecting a vehicle acceleration, a vertical acceleration sensor detecting a vertical acceleration of the vehicle, a wheel torque detector calculating a wheel torque, an ambient temperature sensor detecting an ambient temperature, and a controller. The controller may calculate a wheel slip amount based on the speed of at least one wheel, the vehicle speed and the vehicle acceleration, determine whether a wheel slip occurs by comparing the wheel slip amount with a first predetermined wheel slip amount, determine a road state based on the ambient temperature and the vertical acceleration of the vehicle if the wheel slip occurs, and perform a starting control according to the road state.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: October 27, 2015
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Joseph D Chang, Byeong Wook Jeon, Dong Hoon Jeong
  • Patent number: 9145968
    Abstract: A device for controlling shift in a vehicle may include a data detector configured to detect data for a shift control and a controller configured to determine a short-term driving tendency of a driver using the data, determine a long-term driving tendency of the driver using the short-term driving tendency of the driver, and control shift in the vehicle in consideration of a running mode of the vehicle and the long-term driving tendency which are determined from the data.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: September 29, 2015
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Byeong Wook Jeon, Joseph D. Chang, Dong Hoon Jeong
  • Patent number: 9062762
    Abstract: A method for controlling a shift of an automatic transmission in a vehicle may include calculating a first long-term driving style index by using running information in the running mode, calculating a second long-term driving style index by using running information in the sports mode, when the vehicle is switched from the running mode to the sports mode, temporarily storing the first long-term driving style index at the switching point, and when the sports mode is switched to the running mode, if the second long-term driving style index is greater than the temporarily stored first long-term driving style index, updating the second long-term driving style index as a final long-term driving style index, and determining a driving style.
    Type: Grant
    Filed: December 30, 2013
    Date of Patent: June 23, 2015
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Byeong Wook Jeon, Joseph D Chang, Dong Hoon Jeong
  • Publication number: 20150149052
    Abstract: A shift control apparatus for a vehicle may include a GPS sensor detecting a vehicle location, a navigation device outputting short-distance road information and long-distance road information using the vehicle location, a vehicle controller restoring forward road information using the short-distance road information and the long-distance road information, and determining a degree of curve and an average degree of inclination of a road using the forward road information, and a vehicle shifting unit having a shift controller controlling a shift pattern of a transmission using the degree of curve and the average degree of inclination.
    Type: Application
    Filed: September 30, 2014
    Publication date: May 28, 2015
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Hoon Jeong, Joseph D. Chang, Byeong Wook Jeon
  • Publication number: 20150088802
    Abstract: A method of determining a short term driving tendency and a system of controlling shift using the same that reflects precisely a will of a driver on the shift by determining a short term driving tendency is disclosed. The method may include detecting input variables, determining whether determination condition of the short term driving tendency is satisfied, calculating tendencies and output membership function values according to a plurality of fuzzy rules based on the input variables if the determination condition of the short term driving tendency is satisfied, and determining a short term driving tendency index based on the tendencies and the output membership function values according to the plurality of fuzzy rules.
    Type: Application
    Filed: December 30, 2013
    Publication date: March 26, 2015
    Applicant: Hyundai Motor Company
    Inventors: Byeong Wook JEON, Joseph D. CHANG, Dong Hoon JEONG
  • Publication number: 20150066319
    Abstract: A method for controlling a shift of an automatic transmission in a vehicle may include calculating a first long-term driving style index by using running information in the running mode, calculating a second long-term driving style index by using running information in the sports mode, when the vehicle is switched from the running mode to the sports mode, temporarily storing the first long-term driving style index at the switching point, and when the sports mode is switched to the running mode, if the second long-term driving style index is greater than the temporarily stored first long-term driving style index, updating the second long-term driving style index as a final long-term driving style index, and determining a driving style.
    Type: Application
    Filed: December 30, 2013
    Publication date: March 5, 2015
    Applicant: Hyundai Motor Company
    Inventors: Byeong Wook JEON, Joseph D. CHANG, Dong Hoon JEONG
  • Publication number: 20150019088
    Abstract: An apparatus for processing road information includes: a global positioning system (GPS) sensor configured to detect a location of a vehicle; a navigation device configured to output short-range road information and long-range road information according to a location of the vehicle; and a vehicle controller configured to restore forward road information by using the short-range road information and the long-range road information and control an engine or a transmission according to the forward road information.
    Type: Application
    Filed: December 24, 2013
    Publication date: January 15, 2015
    Applicants: Kia Motors Corporation, Hyundai Motor Company
    Inventors: Dong Hoon Jeong, Joseph D. Chang, Byeong Wook Jeon
  • Publication number: 20150019102
    Abstract: A system and a method of controlling vehicle starting may include a wheel speed sensor detecting a speed of at least one wheel among wheels of the vehicle, a vehicle speed detector detecting a vehicle speed, an acceleration detector detecting a vehicle acceleration, a vertical acceleration sensor detecting a vertical acceleration of the vehicle, a wheel torque detector calculating a wheel torque, an ambient temperature sensor detecting an ambient temperature, and a controller. The controller may calculate a wheel slip amount based on the speed of at least one wheel, the vehicle speed and the vehicle acceleration, determine whether a wheel slip occurs by comparing the wheel slip amount with a first predetermined wheel slip amount, determine a road state based on the ambient temperature and the vertical acceleration of the vehicle if the wheel slip occurs, and perform a starting control according to the road state.
    Type: Application
    Filed: December 12, 2013
    Publication date: January 15, 2015
    Applicants: Kia Motors Corporation, Hyundai Motor Company
    Inventors: Joseph D. CHANG, Byeong Wook JEON, Dong Hoon JEONG
  • Publication number: 20150019113
    Abstract: A system of controlling starting of a vehicle may include a vehicle speed sensor detecting vehicle speed, an accelerator pedal position sensor detecting position of an accelerator pedal, a brake pedal position sensor detecting when a brake pedal may be operated or not, a distance sensor detecting a distance from a previous vehicle, a timer detecting time lapse from particular time, and a controller electrically connected to the vehicle speed sensor, the accelerator pedal position sensor, the brake pedal position sensor, the distance sensor and the timer, and adapted to change starting pattern according to the distance from the previous vehicle and to perform starting control according to the changed starting pattern when the vehicle may be started in a stopped state.
    Type: Application
    Filed: December 12, 2013
    Publication date: January 15, 2015
    Applicants: Kia Motors Corporation, Hyundai Motor Company
    Inventors: Joseph D Chang, Byeong Wook JEON, Dong Hoon JEONG
  • Patent number: 8914207
    Abstract: A system may include: a data detector detecting data for a shift control; and a controller determining a short term driving tendency index and a long term driving tendency index of a driver based on the data, and controlling an engine or a transmission according to the short term driving tendency index or the long term driving tendency index of the driver, wherein the controller determines a difference between the short term driving tendency index and the long term driving tendency index, and controls the shift according a corrected driving tendency index that is corrected from the long term driving tendency index when an absolute value of the difference between the short term driving tendency index and the long term driving tendency index is greater than or equal to an absolute value of a reference index difference.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: December 16, 2014
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Byeong Wook Jeon, Joseph D. Chang, Dong Hoon Jeong
  • Publication number: 20140365087
    Abstract: A device for controlling shift in a vehicle may include a data detector configured to detect data for a shift control and a controller configured to determine a short-term driving tendency of a driver using the data, determine a long-term driving tendency of the driver using the short-term driving tendency of the driver, and control shift in the vehicle in consideration of a running mode of the vehicle and the long-term driving tendency which are determined from the data.
    Type: Application
    Filed: December 26, 2013
    Publication date: December 11, 2014
    Applicant: Hyundai Motor Company
    Inventors: Byeong Wook JEON, Joseph D. CHANG, Dong Hoon JEONG
  • Publication number: 20140358384
    Abstract: A system may include: a data detector detecting data for a shift control; and a controller determining a short term driving tendency index and a long term driving tendency index of a driver based on the data, and controlling an engine or a transmission according to the short term driving tendency index or the long term driving tendency index of the driver, wherein the controller determines a difference between the short term driving tendency index and the long term driving tendency index, and controls the shift according a corrected driving tendency index that is corrected from the long term driving tendency index when an absolute value of the difference between the short term driving tendency index and the long term driving tendency index is greater than or equal to an absolute value of a reference index difference.
    Type: Application
    Filed: December 26, 2013
    Publication date: December 4, 2014
    Applicants: Kia Motors Corporation, Hyundai Motor Company
    Inventors: Byeong Wook JEON, Joseph D. Chang, Dong Hoon Jeong
  • Publication number: 20140277972
    Abstract: A system and a method of determining a long term driving tendency of a driver may include a data detector detecting data for determining the long term driving tendency and a short term driving tendency of the driver; and a controller determining the short term driving tendency and the long term driving tendency of the driver based on the data received from the data detector, and controlling an engine or a transmission according to the short term driving tendency of the driver or the long term driving tendency of the driver, wherein the controller continuously determines the short term driving tendency of the driver for a predetermined time and determines the long term driving tendency of the driver from a predetermined number (n) of short term driving tendencies of the driver.
    Type: Application
    Filed: December 6, 2013
    Publication date: September 18, 2014
    Applicants: Kia Motors Corporation, Hyundai Motor Company
    Inventors: Byeong Wook Jeon, Joseph D. Chang, Dong Hoon Jeong