Integrated control system of braking anti-lock braking system and electronic parking braking system

A technology of electronic parking brake and integrated control system, which is applied in the direction of brake safety system, brake transmission device, brake, etc., can solve the problems that it is difficult to meet the requirements of intelligent driving and safety redundancy, and achieve shortened parking time. Effects of brake response time, improved parking brake performance, and reduced possibility of errors

Inactive Publication Date: 2020-06-12
上海擎度汽车科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the field of automotive intelligent driving, the controllers of most ABS and EPB are independent of each other, which is difficult to meet the requirements of intelligent driving and safety redundancy, and urgently needs to be improved.

Method used

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  • Integrated control system of braking anti-lock braking system and electronic parking braking system

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Embodiment Construction

[0016] The present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0017] Such as figure 1 As shown, an integrated control system of an anti-lock brake system and an electronic parking brake system includes an electronic control unit and a hydraulic unit, and the electronic control unit and the hydraulic unit are connected with bidirectional signals. The hydraulic unit is connected to the front and rear chambers of the master cylinder through two brake pipes, and the four output channels of the hydraulic unit are respectively connected to the four-wheel cylinders.

[0018] The electronic control unit includes an MCU controller, and the MCU controller is connected with a power supply, a parking control switch, a caliper motor, a wheel speed sensor, and a hydraulic sensor with electrical signals. The wheel speed sensor is connected with ...

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Abstract

The invention discloses an integrated control system of a braking anti-lock braking system and an electronic parking braking system, and relates to the technical field of automobile intelligent driving. The system comprises an electronic control unit and a hydraulic unit, wherein the electronic control unit is in bidirectional signal connection with the hydraulic unit; the electronic control unitcomprises an MCU controller, a wheel speed processing module, a hydraulic processing module and an acceleration processing module; the MCU controller is connected with a power supply, a parking control switch, a caliper motor, a wheel speed sensor and a hydraulic sensor through electric signals; the MCU controller comprises an acceleration sensor and a current and voltage sensor; the accelerationsensor is used for measuring the acceleration of wheels; and the current and voltage sensor is used for measuring the current and voltage of the caliper motor. According to the invention, the parkingbraking response time is effectively shortened, two original control systems are integrated into one control system, and the cost is reduced while the intelligent performance of the system is improved.

Description

technical field [0001] The invention relates to the technical field of automobile intelligent driving, more specifically, it relates to an integrated control system of an anti-lock brake system and an electronic parking brake system. Background technique [0002] Anti-lock brake system (antilock brake system) referred to as ABS. The system distributes the brake fluid of a certain pressure input by the master cylinder to realize the pressure maintaining and pressure releasing actions of the four wheel cylinders. Its working principle is to control through the logic threshold value, set the threshold value according to the vehicle slip rate and wheel acceleration, and adjust the wheel cylinder pressure to prevent the vehicle from locking during braking and ensure the maximum adhesion between the wheel and the ground. value. Electronic parking brake system (Electrical Park Brake) referred to as EPB. The parking brake module judges the state of the vehicle based on wheel spee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T8/1755B60T13/74B60T17/22
CPCB60T8/17551B60T13/74B60T17/22
Inventor 邓海燕郑鹏张龙飞
Owner 上海擎度汽车科技有限公司
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