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公开(公告)号：US11872971B2
公开(公告)日：2024-01-16
申请号：US17504561
申请日：2021-10-19
Applicant: HYUNDAI MOBIS CO., LTD.
Inventor： Yong Cheol Seol
CPC classification number: B60T8/17551 , B60T7/12 , B60T8/17 , B60T8/17558 , B60T8/26 , B60T8/262 , B60T8/266 , B60T8/268 , B60T8/326 , B60T13/142 , B60T13/686 , B60T2201/022 , B60T2201/03 , B60T2220/04 , B60T2270/304 , B60T2270/82 , B60T2270/88
Abstract: According to at least one aspect, the present disclosure provides a method of controlling an electro-hydraulic brake including an electronic brake-force distribution (EBD) control function, the method comprising: an emergency braking determination operation of determining whether emergency braking is required for a vehicle; a motor control operation of controlling a current flowing in a motor connected to a main master cylinder to increase hydraulic pressure supplied to wheel brakes when it is determined that the emergency braking is required; a rear wheel inlet valve closing operation of closing an inlet valve connected to a rear wheel brake for a predetermined time so that a pressure of the rear wheel brake is not increased earlier than a pressure of a front wheel brake; a closed time period calculation operation of calculating a time during which the inlet valve is maintained in a closed state; and a rear wheel inlet valve opening operation of determining whether a time during which the inlet valve is closed exceeds a closed time period (t), maintaining the inlet valve in the closed state until the time reaches the closed time period (t), and opening the inlet valve when the time exceeds the closed time period (t).
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2.发明授权公开(公告)号：US11752990B2
公开(公告)日：2023-09-12
申请号：US16460093
申请日：2019-07-02
Applicant: HYUNDAI MOBIS CO., LTD.
Inventor： Yong Cheol Seol
CPC classification number: B60T8/176 , B60T8/4827 , B60T2260/09 , B60T2270/10 , B60T2270/30
Abstract: An apparatus for controlling an ABS of an ESC integrated brake system and a method thereof. The apparatus includes a main master cylinder generating hydraulic brake pressure through a piston that is moved forward/backward by an actuator that is operated when a brake pedal of a vehicle is pressed down; and a controller controlling forward/backward movement direction change of the piston by controlling a driving current that is applied to the actuator by determining whether a direction change condition according the control state of wheel pressure is satisfied, when a brake mode of the vehicle is an ABS mode and the piston has reached a predetermined direction change position for forward/backward movement direction change.
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公开(公告)号：US11458937B2
公开(公告)日：2022-10-04
申请号：US17016362
申请日：2020-09-09
Applicant: HYUNDAI MOBIS CO., LTD.
Inventor： Yong Cheol Seol
Abstract: A braking apparatus for a vehicle and a method for controlling the same. The braking apparatus includes a master cylinder configured to form braking pressure based on an input to a brake pedal and transmit the braking pressure to a wheel brake side, a motor configured to control the pressure transmitted to the wheel brake side by moving a piston included in the master cylinder, and a controller configured to control the motor. The controller determines whether the piston reaches an end point of travel, based on a rate of change in a position of the piston and a current of the motor, and sets a displacement of the piston as a maximum displacement when it is determined that the piston has reached the end point and position initialization for the piston has been completed.
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公开(公告)号：US11787377B2
公开(公告)日：2023-10-17
申请号：US17308144
申请日：2021-05-05
Applicant: HYUNDAI MOBIS CO., LTD.
Inventor： Yong Cheol Seol
CPC classification number: B60T13/58 , B60T13/167 , B60T13/686 , B60T2270/10 , B60T2270/402 , B60T2270/404 , B60T2270/82
Abstract: At least one embodiment of the present disclosure provides an electric hydraulic brake apparatus including a reservoir, a plurality of wheel brake mechanisms, a main braking system, and an auxiliary braking system, wherein the auxiliary braking system includes a first hydraulic pressure input unit and a second hydraulic pressure input unit, a third hydraulic pressure input unit configured to receive brake fluid from the main braking system without passing through booster valves, a first inlet line and a second inlet line configured to transfer a hydraulic pressure between the main braking system and the plurality of wheel brake mechanisms, and a split line configured to receive and supply the brake fluid delivered from the third hydraulic pressure input unit to the plurality of wheel brake mechanisms.
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公开(公告)号：US11597368B2
公开(公告)日：2023-03-07
申请号：US16860664
申请日：2020-04-28
Applicant: HYUNDAI MOBIS CO., LTD.
Inventor： Yong Cheol Seol , Jee Sang Lee , Wan Kyo Jung
Abstract: An apparatus for controlling an ESC-integrated regenerative braking system that includes a pedal cylinder unit connected to a reservoir unit to generate a hydraulic pressure by pressing a brake pedal, a motor driven by an electrical signal output in response to a displacement of the brake pedal, a master cylinder unit connected to the pedal cylinder unit to form a hydraulic pressure for braking through a master piston moving by the driving of the motor, a control unit configured to detect a leakage of oil, based on a change in pressure in a hydraulic passage, during single-stage control, two-stage control, single-stage single-acting control, or two-stage single-acting control of the master cylinder unit, and a hydraulic control valve provided in a hydraulic passage for connecting the reservoir unit to a wheel cylinder to brake each wheel, to be opened and closed under control of the control unit.
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Patent Agency Ranking
公开(公告)号：US10076961B2
公开(公告)日：2018-09-18
申请号：US14933433
申请日：2015-11-05
Applicant: HYUNDAI MOBIS CO., LTD.
Inventor： Yong Cheol Seol
IPC: B60T1/10 , B60L7/26 , B60T8/176 , B60T8/1761 , B60L15/20
CPC classification number: B60L7/26 , B60L15/2009 , B60L2240/423 , B60T1/10 , B60T8/176 , B60T8/17616 , B60T2270/602 , B60T2270/603 , B60T2270/604 , B60T2270/613 , Y02T10/645 , Y02T10/72 , Y02T10/7275
Abstract: A method for controlling a regenerative brake system for a vehicle may include: generating a target pressure of each wheel of the vehicle, when any one performance condition of ABS-associated control, VDC-associated control, and TCS-associated control is satisfied; determining whether to enter the ABS-associated control; opening an entrance-side wheel of a target wheel such that a raised/lowered pressure for the target wheel is formed, when determining to perform the VDC-associated control or TCS-associated control; and performing pressure raising/lowering control for the target wheel by controlling a motor such that a wheel pressure of the target wheel follows the target pressure of the target wheel.
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公开(公告)号：US12122345B2
公开(公告)日：2024-10-22
申请号：US17344897
申请日：2021-06-10
Applicant: HYUNDAI MOBIS CO., LTD.
Inventor： Yong Cheol Seol
IPC: B60T13/68 , B60T8/1761 , B60T8/88
CPC classification number: B60T8/885 , B60T8/17616 , B60T13/686
Abstract: A braking device for a vehicle and a method of controlling a braking device for a vehicle are disclosed. The present disclosure in at least one embodiment provides a method of controlling a braking device for a vehicle having a first wheel brake, a second wheel brake, a third wheel brake, and a fourth wheel brake for vehicle braking, including determining whether a first braking unit operates normally upon determining that a braking situation has occurred while driving the vehicle, and braking the vehicle, upon determining that the first braking unit fails to operate normally, by supplying hydraulic pressure to the third wheel brake and the fourth wheel brake by operating a second braking unit, and preventing wheel locks of a first wheel and a second wheel provided on the vehicle by opening a pressure-reducing valve upon determining that a driver has intervened in the braking situation.
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公开(公告)号：US12065117B2
公开(公告)日：2024-08-20
申请号：US17504554
申请日：2021-10-19
Applicant: HYUNDAI MOBIS CO., LTD.
Inventor： Yong Cheol Seol
CPC classification number: B60T8/176 , B60T8/326 , B60T13/686 , B60T13/745 , B60T17/04 , B60T17/221 , B60T2220/04 , B60T2270/10 , B60T2270/402 , B60T2270/404 , B60T2270/82 , B60T2270/88
Abstract: According to at least one aspect, the present disclosure provides a braking device for a vehicle, the braking device comprising: an electronic control unit which controls a motor and a traction control valve and calculates a required pressure for braking a vehicle and a pressure in a main line, wherein the electronic control unit increases the pressure in the main line by applying a positive current to the motor when the required pressure is greater than the pressure in the main line and decreases the pressure in the main line by applying a negative current to the motor and opening the traction control valve when the required pressure is lower than or equal to the pressure in the main line.
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公开(公告)号：US11840207B2
公开(公告)日：2023-12-12
申请号：US16995814
申请日：2020-08-18
Applicant: HYUNDAI MOBIS Co., Ltd.
Inventor： Yong Cheol Seol
CPC classification number: B60T17/22 , B60T8/885 , B60T8/92 , B60T13/142 , B60T13/686 , B60T2220/04 , B60T2270/402 , B60T2270/88
Abstract: Disclosed is a method of controlling an electronic stability control (ESC) integrated braking system, which includes, when a failure in which pressure is unable to be formed in a master cylinder unit is detected during braking of a vehicle by the ESC integrated braking system, maintaining, by a controller, a braking force applied during the braking by closing designated oil pressure relief valves for coupling the master cylinder unit and a flow channel of a circuit, and when pressure (PC1) of a pedal cylinder becomes equal to or greater than pressure (MC1) of the circuit based on the maintained braking force, by a brake pedal stepped on by a driver, controlling, by the controller, the designated oil pressure relief valves to be in an open state and then switching the state of the designated oil pressure relief valves to a mechanical backup state.
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公开(公告)号：US12179721B2
公开(公告)日：2024-12-31
申请号：US17520002
申请日：2021-11-05
Applicant: HYUNDAI MOBIS CO., LTD.
Inventor： Yong Cheol Seol
Abstract: In accordance with some embodiments, the present disclosure provides A brake system for braking a vehicle using one or both of a main braking system and a redundancy braking system, the brake system comprising: a brake demand detecting unit configured to detect a driver's brake demand; an electronic control unit comprising: a pressure controller configured to control a pressure inside a master cylinder in response to a value detected by the brake demand detecting unit, wherein the internal pressure of the master cylinder is controlled by generating an electrical signal for a first demand current; a motor position controller configured to control a position of a motor by generating an electrical signal for a second demand current; and a current controller configured to control the current of the motor in response to an electrical signal received from one of the motor position controller and the pressure controller; a position detecting unit configured to detect a position of a rotor of the motor; and a pressure detecting unit configured to sense the internal pressure of the master cylinder.
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