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The Test System Research on Vacuum Booster Based on LabVIEW

Author: WuLingFang
Tutor: HuangDaMing；WeiZhiKang
School: Guangxi University
Course: Agricultural Mechanization Engineering
Keywords: Vacuum booster Performance testing LabVIEW Data acquisition system
CLC: U463.5
Type: Master's thesis
Year: 2008
Downloads: 219
Quote: 3
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Abstract


The vacuum booster is an important assembly of components for automotive braking systems , and its performance directly affects the safety of driving , it is in the factory or repair must detect whether the performance of the design specifications and the requirements of the relevant standards , to eliminate the traffic safety unfavorable hazards. LabVIEW-based virtual instrument technology is a means of computer and digital signal processing technology , it is a powerful analysis capabilities , flexible configuration tools module provides great convenience for engineering tests . For the existing vacuum booster performance testing equipment test results untrue inadequate performance of the vacuum booster detection system based on LabVIEW . Organic integrated hydraulic control technology , data acquisition technology , mechatronics technology and virtual instrument technology using LabVIEW virtual instrument design language to design a vacuum booster performance detection system , and achieve real multi braking environment The vacuum booster performance parameters detected. The main contents of the study include the principles and characteristics of the vacuum booster , the design of the detection system , the detection system test test three aspects . Start vacuum booster performance requirements from automotive technology and the development of traffic safety , national standards , design guidelines , hydraulic control systems , test stands , hardware configuration , the main part of the testing procedures and systems such as research and design . The focus of the study is based the LabVIEW test system hardware and software design , hardware details of the selection of sensors, data acquisition card and conditioning circuit design ; software focused on the system of data acquisition module , the vacuum measurement module , characteristics the curve shows the module and the composition of the data storage module , and acquisition and real-time acquisition of data circulating through the settings for each acquisition VI . Finally, the use of self - detection system designed to detect Changan Star models vacuum booster performance . The test results show that the reliable operation of the system , accurate data acquisition , in particular, is able to simulate the car and continuous braking for a long time or frequent braking vacuum booster performance detection has some advantages compared with existing testing equipment .

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CLC: > Transportation > Road transport > Automotive Engineering > Automotive structural components > Braking system
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