Patents by Inventor Dong Chul Lee

Dong Chul Lee 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: 20200193735
    Abstract: A method for diagnosing a problematic noise source based on big data information include: measuring noise data of a powertrain of a vehicle by using a real-time noise measurement device, and converting the noise data into a signal that can be input to a portable device for diagnosing the problematic noise source through an interface device; analyzing a noise through a deep learning algorithm of an artificial intelligence on a converted signal, and diagnosing the problematic noise source as a cause of the noise; and displaying the cause of the noise by outputting a diagnostic result as the problematic noise source, and transmitting the diagnostic result to the portable device.
    Type: Application
    Filed: November 13, 2019
    Publication date: June 18, 2020
    Inventors: In-Soo Jung, Dong-Chul Lee
  • Publication number: 20200193960
    Abstract: A system for controlling an engine tone by an artificial intelligence based on a sound quality index of a vehicle may include a sound output device for generating a reinforcing sound to reinforce an engine sound of the vehicle; an engine characteristic measurement sensor for measuring sound source characteristics of the engine sound; an interior noise measurement sensor for detecting interior noise of the vehicle; a signal processing controller that receives signals from the engine characteristic measurement sensor in real time and controls the sound output device such that the engine sound reaches a target tone; and a tone control operation unit connected to the signal processing controller to optimize the sound quality index such that the engine sound reaches the target tone through the artificial intelligence.
    Type: Application
    Filed: November 22, 2019
    Publication date: June 18, 2020
    Inventors: In-Soo Jung, Dong-Chul Lee
  • Publication number: 20200184946
    Abstract: An EV driving sound control system may include a sound output device of generating a driving sound of an EV vehicle; a torque measurement sensor of measuring a torque of a motor in the EV vehicle; an indoor noise measurement sensor of detecting a noise of the EV vehicle; and a signal processing controller for controlling the sound output device to reach a target tone by receiving signals from the torque measurement sensor and the indoor noise measurement sensor, wherein the signal processing controller extracts and outputs only the acceleration feeling sound component from an engine sound upon acceleration, and masks high-frequency noise upon deceleration by the sound output device, by use of the traveling information related to the EV vehicle inputted from the CAN communication in real time and the signals inputted from the indoor noise measurement sensor and the torque measurement sensor.
    Type: Application
    Filed: November 5, 2019
    Publication date: June 11, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: In-Soo Jung, Dong-Chul Lee
  • Publication number: 20200175877
    Abstract: A traveling safety control system using ambient noise may include a microphone mounted in an operating vehicle and for receiving ambient noise; and a signal processing controller for comparing the ambient noise with vehicle noise characteristic data and determining traveling information related to a nearby vehicle through an artificial intelligence-based analysis.
    Type: Application
    Filed: November 8, 2019
    Publication date: June 4, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong-Chul LEE, ln-Soo JUNG
  • Patent number: 10625671
    Abstract: An engine sound color control method based on an engine dynamic characteristic with artificial intelligence is provided. The method maximizes audio-visual control through the audio-visual synergy effect by performing both of the visual control of the dash board by the artificial intelligence using the virtual engine revolution per minute based on the shifting event and driving pattern of a vehicle. In particular, the auditory control of the speaker is operated by the signal processing controller based on the virtual engine RPM in response to an engine vibration signal of the engine. Further, a driver is provided with rapid response with vehicle power performance control through a real-time audio-visual change regulated by the artificial intelligence.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: April 21, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong-Chul Lee, In-Soo Jung
  • Publication number: 20200118358
    Abstract: A failure diagnosis method for power train components may include: establishing, by a server, a diagnosis model based on vibration big data indicative of failure of power train components; classifying and modeling, by the server, failed components among the power train components by using feature vectors extracted from the vibration big data; initiating, by a controller of a vehicle, failure diagnosis on power train components of the vehicle by an input command or setting of a driver; and diagnosing, by the controller of the vehicle, a failure of the power train components of the vehicle by comparing a feature vector corresponding to the power train vibration of the vehicle measured during the vehicle travels with the vibration big data modeled in the diagnosis model.
    Type: Application
    Filed: May 31, 2019
    Publication date: April 16, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Dong-Chul LEE, In-Soo JUNG
  • Patent number: 10611302
    Abstract: A control method for a hybrid vehicle having an engine and a motor as driving power sources includes the steps f: checking, by a controller, a driving mode of the hybrid vehicle in real-time; when the driving mode of the hybrid vehicle is a motor driving mode (electric vehicle mode: EV mode), outputting, by the controller, a first sound profile to a sound device of the hybrid vehicle, the first sound profile being calculated by the controller based on a motor RPM and a motor load; and when the driving mode of the hybrid vehicle is an engine driving mode (hybrid electric vehicle mode: HEV mode), outputting, by the controller, a second sound profile to the sound device of the hybrid vehicle, the second sound profile being calculated by the controller based on engine operation sounds.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: April 7, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA Motors Corporation
    Inventors: Dong Chul Lee, In Soo Jung
  • Patent number: 10598278
    Abstract: A method for maintaining idle noise refinement in a vehicle is provided. The method may include performing a D-range neutral control, wherein a controller is configured to apply auto hold threshold values to conditions for entering an auto hold control in a neutral control state, and wherein the auto hold threshold values are determinant of an entry into the D-range neutral control such that the auto hold threshold values limit the conditions for entering the auto hold control.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: March 24, 2020
    Assignees: Hyundai Motors Company, Kia Motors Corporation
    Inventors: Dong-Chul Lee, In-Soo Jung
  • Publication number: 20190375290
    Abstract: Provided are a filler tube and a filler neck including the filler tube that may reliably prevent false injection of fuel even though structures thereof for suppressing the false injection of the fuel are simplified. A filler tube defining a path through which fuel from an injection nozzle is supplied to a fuel tank is provided. The filler tube includes: a main body having a hollow defined therein, into which the injection nozzle is inserted; a first rotating part disposed to penetrate one side wall of the main body and axially connected to the main body to be axially rotatable outwardly of the main body; and a second rotating part disposed to penetrate the other side wall of the main body to face away from the first rotating part and axially connected to the main body to be axially rotatable outwardly of the main body.
    Type: Application
    Filed: May 30, 2019
    Publication date: December 12, 2019
    Inventors: Ki Hong KIM, Dong Chul LEE
  • Publication number: 20190118708
    Abstract: Disclosed is a sound control method for a hybrid vehicle having both an engine and a motor as driving power sources, the method including: checking a driving condition of the hybrid vehicle; calculating a first virtual sound optimizing an engine sound by extracting main order components of the engine based on an engine RPM and engine load data, and by optimizing an arrangement of the extracted main order components of the engine or by adjusting output levels thereof; calculating a second virtual sound generating an optimized engine sound by extracting order components of the motor based on a motor RPM and motor load data, converting the extracted order components of the motor into corresponding main order components of the engine, and by optimizing an arrangement of the converted main order components of the engine or by adjusting output levels thereof; and outputting the calculated first virtual sound or the second virtual sound to a sound device.
    Type: Application
    Filed: November 29, 2017
    Publication date: April 25, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA Motors Corporation
    Inventors: Dong Chul Lee, In Soo Jung
  • Publication number: 20190118707
    Abstract: A control method for a hybrid vehicle having an engine and a motor as driving power sources includes the steps f: checking, by a controller, a driving mode of the hybrid vehicle in real-time; when the driving mode of the hybrid vehicle is a motor driving mode (electric vehicle mode: EV mode), outputting, by the controller, a first sound profile to a sound device of the hybrid vehicle, the first sound profile being calculated by the controller based on a motor RPM and a motor load; and when the driving mode of the hybrid vehicle is an engine driving mode (hybrid electric vehicle mode: HEV mode), outputting, by the controller, a second sound profile to the sound device of the hybrid vehicle, the second sound profile being calculated by the controller based on engine operation sounds.
    Type: Application
    Filed: November 27, 2017
    Publication date: April 25, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA Motors Corporation
    Inventors: Dong Chul Lee, In Soo Jung
  • Patent number: 10266112
    Abstract: Disclosed is a sound control method for a hybrid vehicle having both an engine and a motor as driving power sources, the method including: checking a driving condition of the hybrid vehicle; calculating a first virtual sound optimizing an engine sound by extracting main order components of the engine based on an engine RPM and engine load data, and by optimizing an arrangement of the extracted main order components of the engine or by adjusting output levels thereof; calculating a second virtual sound generating an optimized engine sound by extracting order components of the motor based on a motor RPM and motor load data, converting the extracted order components of the motor into corresponding main order components of the engine, and by optimizing an arrangement of the converted main order components of the engine or by adjusting output levels thereof; and outputting the calculated first virtual sound or the second virtual sound to a sound device.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: April 23, 2019
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Dong Chul Lee, In Soo Jung
  • Publication number: 20190114849
    Abstract: A method for diagnosing a cause of noise of a vehicle is disclosed. The method includes receiving, by a controller, a sound source signal through a microphone installed in the vehicle. The method further includes transmitting, by the controller, the received sound source signal to an artificial intelligence server and extracting, by the artificial intelligence server, reference data corresponding to the sound source signal by comparing the received sound source signal with stored reference data. Additionally, the method includes transmitting, by the artificial intelligence server, the extracted reference data to the controller and outputting, by the controller, to a diagnostic apparatus, an output signal including information about the cause of noise of the vehicle based on the received reference data.
    Type: Application
    Filed: November 29, 2017
    Publication date: April 18, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA Motors Corporation
    Inventors: Dong Chul Lee, In Soo Jung
  • Publication number: 20190111839
    Abstract: An engine sound color control method based on an engine dynamic characteristic with artificial intelligence is provided. The method maximizes audio-visual control through the audio-visual synergy effect by performing both of the visual control of the dash board by the artificial intelligence using the virtual engine revolution per minute based on the shifting event and driving pattern of a vehicle. In particular, the auditory control of the speaker is operated by the signal processing controller based on the virtual engine RPM in response to an engine vibration signal of the engine. Further, a driver is provided with rapid response with vehicle power performance control through a real-time audio-visual change regulated by the artificial intelligence.
    Type: Application
    Filed: December 8, 2017
    Publication date: April 18, 2019
    Inventors: Dong-Chul Lee, In-Soo Jung
  • Publication number: 20190093762
    Abstract: The present disclosure provides a method for maintaining idle noise refinement in a vehicle. The method may include performing a D-range neutral control, wherein a controller is configured to apply auto hold threshold values to conditions for entering an auto hold control in a neutral control state, and wherein the auto hold threshold values are determinant of an entry into the D-range neutral control such that the auto hold threshold values limit the conditions for entering the auto hold control.
    Type: Application
    Filed: December 12, 2017
    Publication date: March 28, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Dong-Chul LEE, In-Soo Jung
  • Patent number: 10195902
    Abstract: A real-time engine sound reproduction method includes determining, with a signal processing controller, a drive condition of a vehicle based on a vibration value measured through a sensor for measuring vibration of an engine, and reproducing, with an output device, a controlled engine sound based on an order component indicated by the engine vibration characteristic outputted in real time.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: February 5, 2019
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Dong-Chul Lee, In-Soo Jung
  • Patent number: 9911405
    Abstract: An apparatus for controlling engine noise reflecting engine vibration and driving conditions includes a sound generator that generates reinforcement noise in order to reinforce non-linear engine noise. The apparatus includes a vibration sensor measuring engine vibration as a noise source of the engine, a signal processing controller receiving the signal of the vibration sensor in real time and controlling the sound generator so that the engine noise may maintain linearity, and an amplifier receiving and then amplifying a control signal of the signal processing controller to transfer the amplified control signal to the sound generator.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: March 6, 2018
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong-Chul Lee, In-Soo Jung
  • Patent number: 9902854
    Abstract: A polyamide composite resin composition for a fuel filler pipe includes 41 to 77% by weight of polyamide 6, 5 to 15% by weight of m-xylenediamine (MXD)-based modified nylon, 14 to 30% by weight of a maleic anhydride-grafted ethylene-octene copolymer, a maleic anhydride-grafted ethylene-propylene-diene monomer, or a mixture thereof, and 3 to 10% by weight of mixed clay.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: February 27, 2018
    Assignees: HYUNDAI MOTOR COMPANY, SHINIL CHEMICAL INDUSTRY CO., LTD., KOREA FUEL-TECH CORPORATION
    Inventors: Jee Young Youn, Dong Yol Ryu, Dong Chul Lee, Bo Ram Kwon, Ki Hong Kim, Keum Suk Seo, Cheol Kyu Choi
  • Patent number: 9869721
    Abstract: The present disclosure provides a system and a method for inspecting an assembled condition of an alternator capable of inspecting a driving condition using a smart box monitoring sensor data received from an ECU of a vehicle and then determining whether the assembled condition of the alternator is bad. A system for inspecting an assembled condition of an alternator includes: a smart box configured to receive driving data of a vehicle from an ECU and determine whether the assembled condition of the alternator is bad based on the driving data of the vehicle; and a server configured to receive result data depending on whether the assembled condition of the alternator is bad from the smart box.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: January 16, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Dong Chul Lee, Mun Gu Kim, Yeong Il Choi, Jung Myoung Kim
  • Publication number: 20170330550
    Abstract: An apparatus for controlling engine noise reflecting engine vibration and driving conditions includes a sound generator that generates reinforcement noise in order to reinforce non-linear engine noise. The apparatus includes a vibration sensor measuring engine vibration as a noise source of the engine, a signal processing controller receiving the signal of the vibration sensor in real time and controlling the sound generator so that the engine noise may maintain linearity, and an amplifier receiving and then amplifying a control signal of the signal processing controller to transfer the amplified control signal to the sound generator.
    Type: Application
    Filed: December 13, 2016
    Publication date: November 16, 2017
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Dong-Chul Lee, In-Soo Jung