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The Development of Data Collecting and Controlling System for Falling Weight Deflectometer Test System
Author: YangZhiZuo
Tutor: YeMing
School: Nanjing University of Aeronautics and Astronautics
Course: Communication and Information System
Keywords: Drop weight deflectometer Data acquisition and control system Embedded Systems ARM μC/OS- Ⅱ
CLC: TP274.2
Type: Master's thesis
Year: 2006
Downloads: 77
Quote: 0
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Abstract
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Data acquisition and control system is developed is an important part of the falling weight deflectometer pavement detection system , hydraulic system control hammer to free fall from a certain height an impact load imposed on the road , while taking advantage of the distribution along the loading axis pavement deflection data collection sensor array . The set of the system control, data acquisition , and data analysis and processing , which includes a host computer for data acquisition controller and run data processing software . The paper begins with an overview of the falling weight deflectometer pavement test system ; describes the performance requirements and technical specifications for data acquisition controller ; based on the practicality , reliability and system scalability principle is proposed based on embedded technology hardware and software embodiments. The basis of the data acquisition controller , design a with ARM microprocessor S3C44BOX core hardware unit circuit and use μC/OS- Ⅱ embedded operating system to complete the software programming and site commissioning ; paper also discusses the problems and solutions encountered in the draw of the printed circuit board and system debugging process . In addition , the authors analyzed on the basis of the interface , the structure and function of the host computer data processing software , with VC program design of the corresponding modules . Finally, a summary of the development work , data acquisition controller performance improvements and system upgrades to further envisaged . The system has been delivered to the user , for a variety of field experiments .
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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system > Data collection and processing systems
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