Title :
Application of analog and mixed signal simulation techniques to the synthesis and sequencing of diagnostic tests
Author :
Dill, Harry H. ; Bratton, Kyle ; Sparr, Chris ; Pitzen, Lloyd
Author_Institution :
Deep Creek Technol. Inc., Annapolis, MD, USA
Abstract :
This paper describes the fault definition, simulation, test strategy development and validation activities that were accomplished during beta testing of a new CAE tool, Test Designer. It addresses the issues of simulation convergence, component fault models, circuit model implementation, simulation run times and test strategy accuracy. To ensure a realistic test of Test Designer´s capabilities, diagnostics were developed for a moderately complex analog and mixed signal UUT which was selected from the Navy´s list of CASS TPS offload candidates. These diagnostics were evaluated on the CASS to measure the diagnostic sequence accuracy and to assess the ability of Test Designer to predict the nominal measurement values and fault detection characteristics of each test
Keywords :
SPICE; analogue circuits; automatic test equipment; fault diagnosis; fault location; mixed analogue-digital integrated circuits; CAE tool; CASS TPS; Navy; Test Designer; analog signal simulation; beta testing; circuit model implementation; complex signal UUT; component fault models; diagnostic sequence accuracy; diagnostic tests; fault definition; mixed signal simulation; sequencing; simulation convergence; simulation run times; synthesis; test strategy accuracy; Circuit faults; Circuit simulation; Circuit testing; Computational modeling; Dictionaries; Fault trees; Radiofrequency interference; SPICE; Signal design; Signal synthesis;
Conference_Titel :
AUTOTESTCON, 97. 1997 IEEE Autotestcon Proceedings
Conference_Location :
Anaheim, CA
Print_ISBN :
0-7803-4162-7
DOI :
10.1109/AUTEST.1997.633656