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Braking system for hybrid vehicle and control method for the same

一种混合动力车辆、制动控制的技术，应用在混合动力车辆的制动系统及其控制领域，能够解决前轮制动抱死、重量和成本增加、再生系统复杂反应速度等问题，达到避免制动抱死、实现制动性能的效果

Active Publication Date: 2014-04-09
HYUNDAI MOTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, prior art regenerative systems are complex and the reaction speed for braking is delayed
In addition, in the case of including a pedal simulator, the driver may not be satisfied with the braking feeling (pedal operation feeling)
[0008] Also, in this system, because the pressure amplified by the HPU is equally supplied to each brake of the front and rear wheels, and the rear brakes (eg, driven wheel brakes) may not be used in cooperative regenerative braking control, so the braking efficiency may be deteriorated and the regenerative braking load is always applied to the front wheels (eg drive wheels) during braking
Therefore, the brake lock of the front wheels may occur so that the braking performance is deteriorated, and the durability of the brakes and tires of the front wheels may be deteriorated
[0009] Also, the system requires a BAU, HPU, etc. for regenerative braking, so weight and cost may increase

Method used

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  • Braking system for hybrid vehicle and control method for the same
  • Braking system for hybrid vehicle and control method for the same
  • Braking system for hybrid vehicle and control method for the same

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Embodiment Construction

[0035] Reference will now be made in detail to various embodiments of the invention, examples of which are illustrated in the accompanying drawings and described below. While the invention has been described in conjunction with exemplary embodiments, it will be understood that present description is not intended to limit the invention to those exemplary embodiments. On the contrary, the invention is intended to cover not only the exemplary embodiments, but also various alternatives, modifications, equivalents and other embodiments, which may be included within the spirit and scope of the invention as defined by the appended claims .

[0036] In the following detailed description, only certain exemplary embodiments of the present invention are shown and described, simply by way of illustration.

[0037] As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present in...

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Abstract

The invention relates to a braking system for hybrid vehicle and a control method for the same. The braking system for hybrid vehicle may include a brake pedal, a pedal stroke sensor detecting stroke of the brake pedal and outputting corresponding signal, a brake control unit receiving the signal of the pedal stroke sensor, a driving wheel caliper braking a driving wheel according to control of the brake control unit, a regenerative braking unit including a motor / generator which generates electric energy according to control of the brake control unit in braking of the driving wheel, a master cylinder connected with the brake pedal and operated by the brake pedal, and a driven wheel caliper braking a driven wheel according to operation of the master cylinder.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Korean Patent Application No. 10-2012-0110932 filed on Oct. 5, 2012, the entire contents of which are hereby incorporated by reference for all purposes. technical field [0003] The invention relates to a braking system and a control method for a hybrid vehicle. More particularly, the present invention relates to a braking system for a hybrid vehicle, which can realize regenerative braking and maintain braking feeling without a pedal simulator, and a control method thereof. Background technique [0004] Cooperative controls for a regenerative braking system for hybrid vehicles include a simulator (BAU; Brake Actuation Unit) for generating a signal of the driver's pedal operation and compensating for the operating feel, and a controller for controlling the braking power of the brakes. Control unit (HPU; hydraulic power unit). [0005] When the driver pushes the brake pedal, a stro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T8/17B60L7/24
CPCB60T1/10B60T2220/04B60T13/12Y10S903/947B60T7/042B60T13/586B60T2270/604
Inventor 柳秉树金贤秀高志源
Owner HYUNDAI MOTOR CO LTD
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