Braking system matching analysis method and system

A braking system and analysis method technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as huge amount of calculation and difficult to master

Active Publication Date: 2014-11-12
GUANGZHOU AUTOMOBILE GROUP CO LTD
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Problems solved by technology

[0003] The matching analysis technology of the braking system of the system is still blank in China at present, mainly because the knowledge in

Method used

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  • Braking system matching analysis method and system
  • Braking system matching analysis method and system
  • Braking system matching analysis method and system

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Embodiment Construction

[0063] Such as figure 1 As shown, the embodiment of the present invention provides a braking system matching analysis method, including:

[0064]S1. According to the input pedal force Fp, the brake system pipeline pressure P is obtained through the input and output characteristics of the booster;

[0065] S2. The braking torque Tb is obtained from the pipeline pressure P. In this step, the pedal stroke Tp can also be obtained according to the pipeline pressure P;

[0066] S3. Obtain the deceleration of the vehicle from the braking torque Tb through the vehicle model, thereby establishing a relationship curve between the pedal force Fp and the deceleration for matching analysis of the braking system. In this step, a relationship curve between the pedal stroke Tp and the deceleration can also be established for matching analysis of the braking system. At the same time, the speed or braking distance can be further obtained by integrating the deceleration, which can be used for ...

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Abstract

The invention provides a braking system matching analysis method and system. The method comprises, according to an input pedal force, obtaining the pipeline pressure of a braking system through the input and output characteristics of a booster; obtaining a brake torque according to the pipeline pressure; obtaining the deceleration of a vehicle through a vehicle model according to the brake torque and accordingly establishing a relation curve of the pedal force and the deceleration for the matching analysis of a braking system, or obtaining pedal travel according to the pipeline pressure to establish a relation curve of the pedal travel and the deceleration for the matching analysis of the braking system, or further obtaining the speed or the braking distance by integrating the deceleration for the matching analysis of the braking system. The braking system matching analysis method and system can be applied to matching development of the braking system, a user only needs to fill relevant parameters in to achieve matching computation of the braking system and further to achieve predictive analysis on the braking performance of the entire vehicle during the initial design, thereby guaranteeing feasibility and performance superiority of system schemes.

Description

technical field [0001] The invention relates to the technical field of automobiles, in particular to a braking system matching analysis method and system. Background technique [0002] With the development of domestic auto brands, independent research and development is becoming more and more important. The key to independent research and development is the mastery of core technologies. As an automobile OEM, how to select a group of parts to match and combine to meet the requirements of use, the mastery of this matching technology is particularly important. [0003] The matching analysis technology of the braking system of the system is still blank in China at present, mainly because the calculation and matching of the braking system involves a wide range of knowledge and a huge amount of calculation, which is not easy to master. Therefore, there is an urgent need for a braking system matching analysis technology that can perform matching analysis on vehicle components. C...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 杨武双陈振文王彧刘平吴坚
Owner GUANGZHOU AUTOMOBILE GROUP CO LTD
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