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Industry Papers

DSI International routinely contributes new concepts to the diagnostics and testability industry. Among our contributions are papers presented at industry conferences. Each of the following papers identify true breakthroughs in technology.

How to Avoid Failures – (FMEA and/or FTA)

Authors : Müjdat Aslan - System Safety and Reliability Engineer Published : March 31, 2017
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Abstract: Everything will fail at some point and this paper examines several approaches to assess and analyze failures with particular focus on FMEA and FTA and how they can be used to help mitigate failures.

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“Diagnostic” Model-Based Reasoning

Authors : Craig DePaul ,DSI International, Inc. Published : DSI 2015
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Influencing IVHM Design for Sustainment Acumen

Authors : Craig DePaul, DSI International, Inc. Published : DSI 2015
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Abstract: The purpose of this paper is to explore the impact of those boundaries of traditional design development independent approaches and to then to discuss specific areas that effectively add value by permeating such boundaries through the implementation of advanced design development interdependent approaches

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IVHM Diagnostic Design Using eXpress

Authors : KARTHIKK RAJA GOPALAKRISHNAN, CRANFIELD UNIVERSITY Published : Cranfield Univ. 2011
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Abstract: The IRP thesis purpose is to develop a novel approach to IVHM that combines diagnostic analysis such as Detection and Isolation Statistics and Advanced FMECA. The software tool used to provide a creative diagnostic design is called eXpress. This project complements the design phase of an Unmanned Aerial Vehicle (UAV) fuel system from an IVHM perspective.

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Reducing False Alarms & NFF’s Using eXpress & STAGE

Authors : Published : Cranfield Univ. 2014
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Abstract: The paper investigates the effects of system design on its maintenance requirements. This becomes significantly important when investigating fault alarms that cannot be verified, diagnosed or even duplicated under standard manual inspection regimes.

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Boundary Scan modeling in eXpress

Authors : David Cole MBDA(UK) Published : AutoTestCon 2006
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Abstract: A fast and effective method of modeling System Boundary Scan using the eXpress Testability Analysis Tool has been developed. Testability questions surrounding the inclusion of Boundary Scan in a system design,specifically Functional Coverage (what is is not tested) and Diagnostics, can now be addressed using the eXpress modeling tool.

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Modeling it Both Ways – Hybrid Diagnostic Modeling and its Application to Hierarchical System Designs

Authors : Eric Gould , DSI International Published : AutoTestCon 2004
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Abstract: This paper examines issues associated with the application of HDM to hierarchical systems, including: the types of diagnostic inference used to interpret the relationships between functions and failure modes, the correlation of functional and failure-based reliability data, and diagnostic assessment using Hybrid Diagnostic Models.

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DATA TYPE EXTENSIBILITY IN AUTOMATIC TEST SYSTEMS

Authors : Ion A. Neag, TYX Corporation,Stefan Gal, TYX Corporation, Danver Hartop, DSI International Published : AutoTestCon 2002
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Abstract: This paper highlights the importance of data type extensibility for preventing software obsolescence in Automatic Test Systems. It describes solutions proposed by the authors for supporting such extensibility in several interfaces of Automatic Test Systems.

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Simulation-based Techniques for Calculating Fault Resolution and False Removal Statistics

Authors : Eric Gould, DSI International; Danver Hartop, DSI International Published : AutoTestCon 2000
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Abstract: This paper will discuss the use of diagnostic simulations to generate the Fault Resolution metric for a system or equipment.

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Thinking Beyond the Group Size Fetish : Towards a New Testability

Authors : Eric Gould, DSI International; Danver Hartop, DSI International Published : AutoTestCon 1999
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Abstract: This paper exposes some major deficiencies inherent within current methods for assessing design Testability—critical shortcomings that not only might cause adherence to contracted Testability requirements to be in conflict with long-term maintenance goals (such as Life Cycle Cost and Operational Availability), but could also result in evaluations that fail to predict the actual diagnostic behavior of the system or device.

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