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Application of Virtual Instrument Based on GPIB in Test Bench for Receiver

Author: ZhaoXue
Tutor: LiXunMing
School: Hohai University
Course: Mechanical and Electronic Engineering
Keywords: Virtual instrument GPIB Analog circuit Fault Diagnosis Expert system
CLC: TP274.4
Type: Master's thesis
Year: 2006
Downloads: 238
Quote: 1
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With the rapid development of science and technology , new technology , new products continue to emerge , making the function of testing instruments , the flexibility of the increasingly high demand , so as to promote the rapid development of testing instruments . Virtual instrument It is in this situation and develop , and gradually occupy the important position . The subject receiver test bench as a development platform , focusing on the application of virtual instrument in automatic test system . Virtual instrument as a general-purpose computer test instrumentation hardware platform , user friendly interface to operate the computer , call different test software for different applications , different test functions , the completion of the acquisition to be measured , display , analysis and processing fully embodies the concept of \The receiver test Taichung , using the GPIB interface virtual instrument system , the functions of the main fault diagnosis of analog circuits . Analog circuit fault diagnosis expert system and neural network system , receiver test bench selection as a method of fault diagnosis expert system based on their different characteristics . Elaborated receiver test bed construction process fault diagnosis expert system , reasoning and control strategy , including the acquisition of knowledge , expression and storage, inference engine , knowledge base , explain the program and the man-machine interface design . Visual C a 6.0 friendly man-machine interactive interface as development tools , expert system diagnostic use as a diagnostic model in the form of a fault tree , with complete access to knowledge and explain the mechanism , based on the uncertainty and data - driven forward reasoning depth-first and a combination of heuristic search strategy .

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