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Design and Implementation of the display smart detection system

Author: ZuoSheng
Tutor: HuXiaoLong
School: Central South University
Course: Computer Science and Technology
Keywords: Military displays Intelligent detection Fault tree analysis Qualitative Analysis
CLC: TP274
Type: Master's thesis
Year: 2011
Downloads: 20
Quote: 0
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Abstract


Since the last century , a variety of weapons and equipment of the armed forces in China with a large number of military CRT monitors , LCD display , as well as various types of terminals and other display devices . These devices are often due to the use of harsh environment , aging equipment of various types of failures . To help the military display device to use to quickly locate the fault , emergency repairs , and improve the efficiency of work in the military , the study on the basis of the the intelligent detection principle and all kinds of display works , combined with fault tree analysis , designed and implemented a set of monitor intelligence detection system. This article discusses the fault tree analysis and display works , display smart detection system based on hardware and software design thinking . The system hardware mainly include : display module , the excitation signal source video signal acquisition module , circuit signal acquisition module using the excitation source and video signal acquisition module and acquisition VGA, DVI, PAL format video signal to determine the preliminary fault range ; system software part includes : video signal acquisition , intelligent detection software fault detection module embedded software and intelligent detection software occurred after the initial fault . Intelligent detection , first display various fault with fault tree analysis modeling module failure may occur as well as the detection process , and then by selecting the failure phenomenon Finally, based on the detection process in turn get the point of the circuit parameters for the detection of these modules , in accordance with the exception of the detection point circuit parameters to determine the location of the fault . The display smart detection system through actual detection of the fault monitor and verify the design method is correct and feasible , the test results are satisfactory , the system has to promote the use of the relevant forces .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system
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