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Electro-hydraulic composite brake anti-lock braking system and control method thereof

An anti-lock braking, electro-hydraulic composite technology, applied in the directions of brakes, brake transmissions, transportation and packaging, can solve the problems of insufficient ground adhesion, and achieve accurate and reliable wheel slip ratio. control effect

Active Publication Date: 2020-06-19
JIANGSU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that the ground adhesion cannot be fully utilized when the rear axle is under low selection control in the prior art, the present invention provides an electro-hydraulic composite brake anti-lock braking system and its control method

Method used

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  • Electro-hydraulic composite brake anti-lock braking system and control method thereof
  • Electro-hydraulic composite brake anti-lock braking system and control method thereof
  • Electro-hydraulic composite brake anti-lock braking system and control method thereof

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0032] An electro-hydraulic composite brake anti-lock braking system (ABS), including a hydraulic brake actuator, a motor brake actuator, and an environment perception and control decision-making mechanism.

[0033] The hydraulic brake actuator is composed of a hydraulic brake master cylinder 4, a hydraulic controller HCU7, a brake pressure regulator 3 and a pressure sensor 6. The hydraulic brake master cylinder 4 is connected to the hydraulic controller HCU7 through wires, and the brake pressure regulator 3 is connected with the hydraulic controller HCU7 through the hydraulic pipeline; the hydraulic brake master cylinder 4 is arranged in the hydraulic circuit, and is connected with the brake pedal through the brake booster; the brake pressure regulator 3 and the pressure ...

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Abstract

The invention provides an electro-hydraulic composite brake anti-lock braking system and a control method thereof. The system comprises a hydraulic brake actuating mechanism, a motor brake actuating mechanism and an environment sensing and control decision mechanism, the control mode of the hydraulic brake actuating mechanism is a three-channel type rear axle low-selection ABS, and according to different road conditions, the motor brake actuating mechanism adopts different control modes, and is combined with the hydraulic brake actuating mechanism to perform alternate compensation to brake wheels. The motor brake actuating mechanism plays a role in rapid adjustment and accurate adjustment in the whole regulation and control process, and the hydraulic brake actuating mechanism plays a rolein providing large torque. The pavement adhesive force is utilized to the maximum extent, and the respective advantages of a motor and the hydraulic actuating mechanism are combined to meet the braking requirements under different working conditions.

Description

technical field [0001] The invention belongs to the field of vehicle braking, and in particular relates to an electro-hydraulic composite braking anti-lock braking system and a control method thereof. Background technique [0002] Energy saving, environmental protection and safety are the three major themes in the development of the modern automobile industry, and electric wheel vehicles are one of the most concerned areas. The number of electric vehicles is increasing year by year, and the driving environment is becoming more and more complex. This puts higher demands on the driver and also challenges the intelligence level of the vehicle. In the driving safety of automobiles, braking performance is the most important. [0003] In some emergency braking conditions, the motor braking method used by electric wheel vehicles cannot provide a large enough required braking torque, while the hydraulic braking mechanism can guarantee a large enough braking torque under any workin...

Claims

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Application Information

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IPC IPC(8): B60T13/74B60T13/58B60T8/1763B60T8/1761
CPCB60T8/1761B60T8/1763B60T13/58B60T13/74
Inventor 张厚忠梁家晟
Owner JIANGSU UNIV
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