Patents by Inventor Sang Woo Hwang
Sang Woo Hwang 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: 11961223Abstract: An apparatus for predicting performance of a wheel in a vehicle: includes a learning device that generates a latent space for a plurality of two-dimensional (2D) wheel images based on a convolutional autoencoder (CAE), extracts a predetermined number of the plurality of 2D wheel images from the latent space, and learns a dataset having the plurality of 2D wheel images and performance values corresponding to the plurality of 2D wheel images; and a controller that predicts performance for the plurality of 2D wheel images based on a performance prediction model obtained by the learning device.Type: GrantFiled: April 20, 2021Date of Patent: April 16, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SOOKMYUNG WOMEN'S UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Jong Ho Park, Chang Gon Kim, Chul Woo Jung, Sang Min Lee, Min Kyoo Kang, Ji Un Lee, Kwang Hyeon Hwang, Nam Woo Kang, So Young Yoo, Seong Sin Kim, Sung Hee Lee
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Patent number: 11955124Abstract: An example electronic device includes a housing; a touchscreen display; a microphone; at least one speaker; a button disposed on a portion of the housing or set to be displayed on the touchscreen display; a wireless communication circuit; a processor; and a memory. When a user interface is not displayed on the touchscreen display, the electronic device enables a user to receive a user input through the button, receives user speech through the microphone, and then provides data on the user speech to an external server. An instruction for performing a task is received from the server. When the user interface is displayed on the touchscreen display, the electronic device enables the user to receive the user input through the button, receives user speech through the microphone, and then provides data on the user speech to the external server.Type: GrantFiled: January 10, 2022Date of Patent: April 9, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-Ki Kang, Jang-Seok Seo, Kook-Tae Choi, Hyun-Woo Kang, Jin-Yeol Kim, Chae-Hwan Li, Kyung-Tae Kim, Dong-Ho Jang, Min-Kyung Hwang
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Patent number: 11945276Abstract: The present disclosure discloses a preview vehicle height control system and a method of controlling the same. The system includes a monitoring device configured to detect the road surface condition of a driving path of a vehicle, an active suspension configured to adjust a vehicle height, a memory configured to store a plurality of data maps distinguished based on a type of bump, each data map having a vehicle dynamic characteristic as an input and a tuning factor as an output, and a controller configured to derive the tuning factor based on a data map, among the plurality of data maps of the memory, corresponding to the bump detected by the monitoring device, derive a target vehicle height in a form of a Gaussian distribution by substituting the tuning factor, and control the active suspension to follow the derived target vehicle height.Type: GrantFiled: August 19, 2022Date of Patent: April 2, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, FOUNDATION FOR RESEARCH AND BUSINESS SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Youngil Sohn, Min Jun Kim, Sang Woo Hwang, Sehyun Chang, Jun Ho Seong, Yong Hwan Jeong, Seong Jin Yim
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Publication number: 20240100898Abstract: A suspension includes a knuckle to which a wheel of a vehicle is fastened, a steering drive portion connected to the knuckle, a lower arm positioned at a lower end portion of the steering drive portion and including a first end portion connected to the knuckle and a second end portion connected to a vehicle body frame, a connecting link including a first end portion connected to an upper end portion of the steering drive portion, an upper arm connected to a second end portion of the connecting link, a damper connecting the upper arm and the vehicle body frame, and a push rod including a first end portion connected to the upper arm and a second end portion connected to the lower arm.Type: ApplicationFiled: April 5, 2023Publication date: March 28, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Sehyun CHANG, Youngil SOHN, Jun Ho SEONG, Min Jun KIM, Sang Woo HWANG
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Publication number: 20240092134Abstract: A vehicle-height control system of an independent corner module, includes a suspension link connected to a wheel and configured to be rotated according to upward-downward displace of the wheel, a gear unit connected to a vehicle body and a rotational center portion of the suspension link and configured to receive a rotation force from the suspension link, a control torsion bar, a first end portion thereof being connected to the gear unit and the second end portion thereof being connected to a torsion variation unit, the torsion variation unit applying a drive force to adjust a height of the control torsion bar and to maintain the adjusted height, and a controller connected to the torsion variation unit and adjusting the height of the control torsion bar.Type: ApplicationFiled: March 28, 2023Publication date: March 21, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Sehyun CHANG, Sang Woo HWANG, Min Jun KIM, Youngil SOHN
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Patent number: 11884343Abstract: A steering feel assisting apparatus of a steer-by-wire (SBW) system, may include a disk configured to rotate together with a steering shaft; a cam engaged to an actuator and configured to receive a rotational force of the actuator to be eccentrically rotated; and a brake arm configured to selectively friction-contact with an external peripheral surface of the disk to provide a predetermined frictional force in a forward rotation direction of the disk as the brake arm rotates in conjunction with rotation of the cam.Type: GrantFiled: September 22, 2020Date of Patent: January 30, 2024Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sang Woo Hwang, Young Dae Park, Byung Rim Lee, Min Jun Kim, Se Hyun Chang, Hyeon Seok Cho
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Patent number: 11879508Abstract: A clutch for preventing backdrive, includes a housing: a cover portion positioned on one end portion of the housing; an external shaft, at least one portion of which is positioned inside the housing, the other end portion thereof passing through the housing; a rocker positioned between the housing and the cover portion and fastened to the external shaft; an input shaft, one end portion thereof being inserted into an opening portion in the locker, and the other end portion thereof passing through the cover portion; and a gear portion positioned on the housing or the cover portion so that a serrated portion positioned on the locker is selectively brought into contact with the gear portion, wherein rotation of the rocker is restricted so that the external shaft is rotated along a rotation direction of the input shaft.Type: GrantFiled: November 29, 2022Date of Patent: January 23, 2024Assignees: Hyundai Motor Company, Kia CorporationInventors: Sang Woo Hwang, Youngil Sohn, Sehyun Chang, Min Jun Kim
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Publication number: 20230391157Abstract: A leaf spring suspension includes a knuckle having a wheel to be coupled thereto, a fixed frame positioned on a vehicle body and coupled to the knuckle through a trailing arm, a leaf spring having a first end portion coupled to the knuckle and having a second end portion having a variable support point, and a support unit configured to vary the support point on the second end portion of the leaf spring, wherein the support unit includes a spring support positioned to be brought into contact with the leaf spring, and a spring driver coupled to the spring support and configured to apply driving force to change the position of the spring support, and wherein the spring driver moves the position of the spring support to change the support point on the leaf spring.Type: ApplicationFiled: December 1, 2022Publication date: December 7, 2023Applicants: Hyundai Motor Company, Kia CorporationInventors: Sehyun CHANG, Youngil SOHN, Jun Ho SEONG, Min Jun KIM, Sang Woo HWANG
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Patent number: 11820449Abstract: An embodiment independent corner module includes a knuckle unit positioned at an inward area of a wheel, an upper arm fastened between an upper end of the knuckle unit and a vehicle body, a lower arm fastened between a lower end of the knuckle unit and the vehicle body, a steering unit configured to input a steering angle to the knuckle unit by being rotated with respect to the lower arm, and a rack steering unit positioned under the steering unit and fastened to the knuckle unit, the rack steering unit being configured to apply a rotating force to the knuckle unit by varying a length thereof.Type: GrantFiled: September 30, 2022Date of Patent: November 21, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Sehyun Chang, Sang Woo Hwang, Min Jun Kim, Young Il Sohn
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Publication number: 20230331057Abstract: The present disclosure discloses a preview vehicle height control system and a method of controlling the same. The system includes a monitoring device configured to detect the road surface condition of a driving path of a vehicle, an active suspension configured to adjust a vehicle height, a memory configured to store a plurality of data maps distinguished based on a type of bump, each data map having a vehicle dynamic characteristic as an input and a tuning factor as an output, and a controller configured to derive the tuning factor based on a data map, among the plurality of data maps of the memory, corresponding to the bump detected by the monitoring device, derive a target vehicle height in a form of a Gaussian distribution by substituting the tuning factor, and control the active suspension to follow the derived target vehicle height.Type: ApplicationFiled: August 19, 2022Publication date: October 19, 2023Applicants: Hyundai Motor Company, Kia Corporation, Foundation for Research and Business, Seoul National University of Science and TechnologyInventors: Youngil SOHN, Min Jun KIM, Sang Woo HWANG, Sehyun CHANG, Jun Ho SEONG, Yong Hwan JEONG, Seong Jin YIM
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Patent number: 11767887Abstract: An anti-reverse clutch apparatus includes an input shaft provided with a push handle, an output shaft mounted coaxially with the input shaft and rotatable relative to the input shaft, a clutch housing including an internal gear formed along an internal circumferential surface of the clutch housing, and a locking block, which is mounted between the output shaft and the internal circumferential surface of the clutch housing, and rotatable together with the output shaft and which includes an external gear, which is formed along an external circumferential surface of the locking block to be engaged with the internal gear, the locking block being linearly moved in a radial direction of the output shaft by a sloped surface structure formed between the push handle and the locking block so that the external gear is engaged with or disengaged from the internal gear when the push handle is rotated.Type: GrantFiled: March 11, 2022Date of Patent: September 26, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Sang Woo Hwang, Jai Hak Kim, Hyeong Seop Park
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Publication number: 20230296143Abstract: A clutch for preventing backdrive, includes a housing: a cover portion positioned on one end portion of the housing; an external shaft, at least one portion of which is positioned inside the housing, the other end portion thereof passing through the housing; a rocker positioned between the housing and the cover portion and fastened to the external shaft; an input shaft, one end portion thereof being inserted into an opening portion in the locker, and the other end portion thereof passing through the cover portion; and a gear portion positioned on the housing or the cover portion so that a serrated portion positioned on the locker is selectively brought into contact with the gear portion, wherein rotation of the rocker is restricted so that the external shaft is rotated along a rotation direction of the input shaft.Type: ApplicationFiled: November 29, 2022Publication date: September 21, 2023Applicants: Hyundai Motor Company, Kia CorporationInventors: Sang Woo HWANG, Youngil SOHN, Sehyun CHANG, Min Jun KIM
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Publication number: 20230296146Abstract: A clutch for preventing backdrive includes a housing, a cover portion located at one end portion of the housing, an external shaft, at least a portion of which is located in the housing, and another end portion of which passes through the housing, a plurality of lockers located inside the housing and surrounding the first end portion of the external shaft, an input shaft, a first end portion of which is inserted into openings of the plurality of lockers and a second end portion of which is configured to pass through the cover portion, and a brake unit configured to be selectively engaged to the lockers to restrict rotations of the lockers. The external shaft is restricted by the lockers so that the external shaft and the lockers are rotated in a rotation direction of the input shaft, and movements of the lockers are restricted by the brake unit when the external shaft is rotated.Type: ApplicationFiled: December 1, 2022Publication date: September 21, 2023Applicants: Hyundai Motor Company, Kia CorporationInventors: Sang Woo HWANG, Youngil SOHN, Sehyun CHANG, Min Jun KIM
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Publication number: 20230287947Abstract: An automotive electro-mechanical brake apparatus includes a clamping unit provided to be able to axial move forwards and rearwards thereof along a torque member and configured to press a disc through a friction pad by moving rearward in braking, a pressing unit accommodated in the clamping unit, selectively moving forward or rearward when rotation is input thereto, and configured to move forward, press the disc through the friction pad, and guide rearward movement of the clamping unit in braking, a gear unit engaged with the pressing unit, and a clutch unit connected to the gear unit, configured to transmit rotational driving force for inputting the rotation to the pressure unit to the gear unit, and configured to prevent displacement against reverse rotation input from the gear unit in driving.Type: ApplicationFiled: December 9, 2022Publication date: September 14, 2023Applicants: Hyundai Motor Company, Kia CorporationInventors: Sang Woo Hwang, Youngil Sohn, Sehyun Chang, Min Jun Kim
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Publication number: 20230278384Abstract: The present disclosure includes a knuckle unit coupled to a strut, positioned inside a wheel, and moving in upward and downward directions along a pair of sliding pillars supported by a fixing frame, a stopper unit configured to selectively move in a downward direction on the sliding pillar and limit a range that the knuckle unit moves in the upward and downward directions, a power transmission unit connected to the sliding pillar and configured to transmit power for moving the stopper unit in the downward direction, a clutch unit connected to the power transmission unit and transmitting a rotational force to the power transmission unit as a control motor is driven, and a control unit electrically connected to the control motor and transmitting a power transmission signal to the control motor to control the stopper unit to selectively move in the upward and downward directions.Type: ApplicationFiled: November 23, 2022Publication date: September 7, 2023Inventors: Sehyun Chang, Sang Woo Hwang, Min Jun Kim, Youngil Sohn
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Patent number: 11713050Abstract: A method for controlling switching of steering control rights of an autonomous vehicle, may include: performing a control to synchronize a steering angle of a steering wheel and a steering angle of a road wheel, when switching of the steering control rights from an automated driving mode to a manual driving mode is requested. The method further includes: detecting an error value between the steering angle of the steering wheel and the steering angle of the road wheel, when a hands-on state in which the steering wheel is gripped is detected in the synchronization process. In addition, the method further includes: performing a control to switch the mode of the autonomous vehicle to the manual driving mode, when the error value is less than a preset value.Type: GrantFiled: June 11, 2021Date of Patent: August 1, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Sang Woo Hwang, Young Dae Park, Byung Rim Lee, Min Jun Kim, Se Hyun Chang, Hyeon Seok Cho
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Publication number: 20230159098Abstract: An embodiment is a steering system including an in-wheel motor disposed on a wheel of a vehicle and configured to turn the wheel, a strut arm connecting the in-wheel motor and a vehicle body, a joint clutch on the vehicle body and configured to engage or disengage the strut arm to allow or disallow the strut arm to pivot about the vehicle body, and a controller configured to control the in-wheel motor and the joint clutch.Type: ApplicationFiled: October 12, 2022Publication date: May 25, 2023Inventors: Sang Woo Hwang, Young II Sohn, Sehyun Chang, Min Jun Kim
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Publication number: 20230150575Abstract: An independent corner module includes a knuckle fastened to a wheel, an axle gear link fastened to guide a vertical motion of the knuckle, a fixed frame adjacent to the axle gear link and fixed to a vehicle body, and a steering operator positioned between the axle gear link and the fixed frame to apply an operating force. Here, the steering operator rotates along the fixed frame upon application of operating force from the steering operator, and at a same time, the axle gear link rotates relative to the steering operator.Type: ApplicationFiled: October 20, 2022Publication date: May 18, 2023Applicants: Hyundai Motor Company, Kia CorporationInventors: Sehyun CHANG, Sang Woo HWANG, Min Jun KIM, Young Il SOHN
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Publication number: 20230137268Abstract: An embodiment independent corner module includes a knuckle unit positioned at an inward area of a wheel, an upper arm fastened between an upper end of the knuckle unit and a vehicle body, a lower arm fastened between a lower end of the knuckle unit and the vehicle body, a steering unit configured to input a steering angle to the knuckle unit by being rotated with respect to the lower arm, and a rack steering unit positioned under the steering unit and fastened to the knuckle unit, the rack steering unit being configured to apply a rotating force to the knuckle unit by varying a length thereof.Type: ApplicationFiled: September 30, 2022Publication date: May 4, 2023Inventors: Sehyun Chang, Sang Woo Hwang, Min Jun Kim, Young Il Sohn
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Publication number: 20230129358Abstract: An embodiment independent corner module includes a knuckle unit positioned on an inner side surface of a wheel, a steering unit disposed to face a strut coupled to the knuckle unit, the steering unit having a center shaft configured to be fixed to a vehicle body and configured to rotate about the center shaft, a guide rail configured to define a movement path through which the steering unit rotates and moves, and a rack steering unit positioned in the steering unit, fastened to the knuckle unit, and configured to apply rotating force to the knuckle unit in response to a movement in a longitudinal direction.Type: ApplicationFiled: October 12, 2022Publication date: April 27, 2023Inventors: Sehyun Chang, Sang Woo Hwang, Min Jun Kim, Youngil Sohn