Title :
Modified Diagnosis Algorithms Based on Multisignal Model and Application in Circuit Boards
Author :
Long, Bing ; Tian, Shulin ; Wang, Houjun
Author_Institution :
Electron. Sci. & Technol. Univ. of China, Chengdu
Abstract :
Multisignal model is introduced to fault diagnosis for circuit boards including digital devices and analog devices. Dr. Deb real-time diagnosis algorithm based on multisignal model may produce conflict diagnostic results because of false alarm for that the sampled test signal may be disturbed by noise. We propose a modified algorithm by introduce failure confidence factor and apply it to fault diagnosis for an USB-GPIB interface circuit. The results show this method is easy to operate and diagnosis precise is high and is suitable for circuit boards fault diagnosis.
Keywords :
fault diagnosis; logic testing; peripheral interfaces; printed circuit testing; USB-GPIB interface circuit; analog devices; circuit board fault diagnosis algorithms; digital devices; failure confidence factor; multisignal model; Aerospace electronics; Aircraft; Circuit faults; Circuit noise; Circuit testing; Dictionaries; Fault detection; Fault diagnosis; Printed circuits; System testing;
Conference_Titel :
Communications, Circuits and Systems, 2007. ICCCAS 2007. International Conference on
Conference_Location :
Kokura
Print_ISBN :
978-1-4244-1473-4
DOI :
10.1109/ICCCAS.2007.4348254