Electronic brake system and control method thereof

A braking system, electronic technology, applied in the direction of brakes, braking transmission devices, braking action starting devices, etc., can solve problems such as deceleration, and achieve the effect of uniform braking deceleration

Pending Publication Date: 2022-05-27
HL MANDO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the vehicle suddenly decelerates due to the control of a higher target pressure than the normal state, so there is a possibility of a sudden deceleration feeling

Method used

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  • Electronic brake system and control method thereof
  • Electronic brake system and control method thereof
  • Electronic brake system and control method thereof

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Embodiment Construction

[0042] The same reference numerals denote the same constituent elements throughout the specification. This specification does not describe all elements of the various embodiments, and omits content that is general in the technical field to which the disclosed invention pertains or content that is repeated among the various embodiments. The terms "section, module, component, block" used in the specification may be implemented by software or hardware, and according to the embodiment, a plurality of "sections, modules, components, blocks" may be implemented with one constituent element or one "section, module, component" , block" includes a number of constituent elements.

[0043] Throughout the specification, when it is described that a certain part is "connected" to another part, it includes not only the case of direct connection but also the case of indirect connection, and the case of indirect connection includes the case of connection through a wireless communication network...

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Abstract

An electronic brake system according to one embodiment comprises: an oil tank for storing a pressurized medium; a master cylinder that ejects a pressurizing medium in accordance with the pedaling force of the brake pedal; a hydraulic pressure supply device that activates a hydraulic piston to generate hydraulic pressure by means of an electric signal output in accordance with the displacement of the brake pedal; a hydraulic pressure control unit that is connected to the hydraulic pressure supply device and that controls the flow of hydraulic pressure transmitted to the wheel cylinders; a pedal simulator connected to the master cylinder and providing a reaction force against a brake pedal; a simulation valve that opens or closes an oil path connecting the master cylinder and the pedal simulator; a shut-off valve that opens or closes an oil path that connects the master cylinder and the hydraulic control unit; a pedal displacement sensor that detects displacement information of the brake pedal; a pressure sensor that detects pressure information of the pedal simulator; and a control unit that, when the shut-off valve is closed and the analog valve is opened, compensates a target pressure based on the brake pedal displacement on the basis of brake pedal displacement information detected by the pedal displacement sensor and pedal simulator pressure information detected by the pressure sensor, and drives the hydraulic pressure supply device on the basis of the compensated target pressure.

Description

technical field [0001] The disclosed invention relates to an electronic brake system and a control method thereof, and more particularly, to an electronic brake system and a control method thereof for generating a braking force according to an electric signal corresponding to the displacement of a brake pedal. Background technique [0002] In general, the electronic braking system may include a hydraulic pressure that supplies pressure to wheel cylinders after receiving the driver's braking intention through an electric signal from a pedal displacement sensor that senses the displacement of the brake pedal when the driver depresses the brake pedal. A supply device and a hydraulic control unit that controls the hydraulic pressure transmitted to each wheel cylinder. [0003] An electronic brake system provided with a hydraulic supply device and an oil pressure control unit as described above is disclosed in European Patent Publication No. EP 2520473. According to the publishe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T13/68B60T7/04B60T8/40B60T8/172B60T8/171
CPCB60T13/68B60T13/686B60T7/04B60T8/4081B60T8/40B60T8/172B60T8/171B60T7/042B60T2220/04B60T2270/82B60T2270/88B60T13/662B60T13/146B60T8/3255F16D2125/40B60Y2400/81B60Y2400/301B60Y2400/306
Inventor 林承国
Owner HL MANDO CORP
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