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AUTOTESTCON '90. IEEE Systems Readiness Technology Conference. 'Advancing Mission Accomplishment', Conference Record.

17-21 Sept. 1990

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Displaying Results 1 - 25 of 82
  • Conference Record. AUTOTESTCON 90. IEEE Systems Readiness Technology Conference. 'Advancing Mission Accomplishment' (Cat. No.90CH2793-8)

    Publication Year: 1990
    Request permission for commercial reuse | PDF file iconPDF (750 KB)
    Freely Available from IEEE
  • Analytical techniques for diagnostic functional allocation

    Publication Year: 1990, Page(s):465 - 471
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (412 KB)

    The allocation of maintenance system elements to accomplish the diagnostic mission must be optimized to balance performance, size, weight, and cost. The authors discuss techniques used to create a functional dependency model of a subject system and derive an effectiveness and cost model for the diagnostic system. It is concluded that the diagnostic elements of a weapon system may be designed prope... View full abstract»

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  • SMART 608 Interface Connector Assembly-this new standard employs innovative signal distribution and interface techniques

    Publication Year: 1990, Page(s):493 - 504
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (572 KB)

    The airline industry, through ARINC, has undertaken development of the Standard Modular Avionics Repair and Test System (SMART) standard. The SMART standard embraces the 626-ATLAS language development and run-time software along with the SMART 608 Interface Connector Assembly (ICA). The SMART 608 ICA standard employs several innovations, such as low insertion force connectors, a signal distributio... View full abstract»

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  • Decision support tools help transition CASS into the fleet

    Publication Year: 1990, Page(s):405 - 409
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (412 KB)

    The authors describe the development of the Consolidated Automated Support System (CASS) whose aim is to provide the US Navy with a suite of standard automatic test equipment (ATE) capable of meeting Navy electronic test requirements through the year 2005. Decisions on how to effectively incorporate CASS into the fleet and maintain its utility are made with the aid of automated decision support to... View full abstract»

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  • A system testability `top-down' apportionment method

    Publication Year: 1990, Page(s):451 - 463
    Cited by:  Papers (2)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (764 KB)

    The authors present a top-down approach to specifying testability requirements which involves system-level analyses, tradeoffs, and allocation to lower hardware indenture levels. This approach provides guidelines, algorithms, and procedures for computing, assessing, and allocating testability within a new system design. Testability figures of merit (TFOM) used to describe and quantify testability,... View full abstract»

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  • Ada software support environment for test

    Publication Year: 1990, Page(s):239 - 246
    Cited by:  Papers (2)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (532 KB)

    A standard test environment consisting of a test executive, an interface for instrumentation, and a bus handler is presented. The test executive provides a standard user interface, a hierarchical test menu structure that offers a high level of user control, and a flexible data recording system for both formatted and unformatted data. The instrument interfaces provide programming and user interface... View full abstract»

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  • Generic software tool to improve diagnostic systems by feedback of field experience data

    Publication Year: 1990, Page(s):485 - 490
    Cited by:  Papers (2)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (392 KB)

    The feedback analyzer (FA), developed as part of the Integrated Diagnostic Support System, is described. This tool aims to provide a closed-loop solution to improve the weapon system diagnostic capability, thus lowering life cycle cost and increasing weapon system availability. The FA uses fault isolation session data recorded at the deployed weapon system sites and engineering design analysis dat... View full abstract»

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  • Test program sets-a new approach

    Publication Year: 1990, Page(s):63 - 69
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (520 KB)

    The portable intelligent troubleshooter (POINTER) system, originally developed for manual fault isolation, has been applied to intelligent automatic testing, which requires a fresh look at test program set (TPS) design from the perspective of testability theory and artificial intelligence. The resulting novel automatic test and diagnostic approach is a significant departure from conventional test ... View full abstract»

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  • Calibration in portable testers

    Publication Year: 1990, Page(s):41 - 44
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (264 KB)

    The author discusses the design requirements and tradeoffs related to the calibration of a portable test system. Current and future approaches to the problem are examined, and their applicability to portable systems is discussed. Investigations and solutions to the problems raised are detailed. It is noted that there are currently only two choices for providing calibration standards in portable AT... View full abstract»

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  • START: System Testability Analysis and Research Tool

    Publication Year: 1990, Page(s):395 - 402
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (760 KB)

    A brief overview of the Systems Testability Analysis and Research Tool (START) software package for automatic test sequencing and testability analysis of complex hierarchically described modular systems is presented. It consists of algorithms based on information theory, heuristic search, and graph theory to solve various facets of the test sequencing and testability analysis problems. A system is... View full abstract»

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  • Vertical commonality through the use of Ada in ATE systems

    Publication Year: 1990, Page(s):21 - 26
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (388 KB)

    The focus of the United States Air Force logistics support is on organic depot support at initial operational capability (IOC), two-level maintenance and factory/field test commonality. It is pointed out that accomplishing these objectives affordably requires changing the current approach to automatic test equipment (ATE) systems development. It is suggested that Ada offers a unique opportunity to... View full abstract»

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  • Space propulsion systems diagnostics

    Publication Year: 1990, Page(s):535 - 542
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (600 KB)

    The author presents a systems-level approach to integrating state-of-the-art rocket engine technology with advanced computational techniques to develop an integrated diagnostic system (IDS) for space propulsion systems. The key feature of this IDS is the use of advanced diagnostic algorithms for failure detection as opposed to the practice of redline-based failure detection methods. The author pre... View full abstract»

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  • Field test collimators for testing FLIR systems

    Publication Year: 1990, Page(s):199 - 204
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (288 KB)

    It is shown that returns to depot by the use of a field test collimator may be reduced significantly. Furthermore, if the field test collimator is made to be universal so that it can be used to test multiple forward looking infrared (FLIR) systems, it can result in further cost savings in the maintenance of FLIRs. The field test collimator used as an example can test minimum resolvable temperature... View full abstract»

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  • An embedded maintenance subsystem

    Publication Year: 1990, Page(s):331 - 336
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (388 KB)

    The authors describe the architecture leading to the implementation of an embedded maintenance subsystem and the steps necessary to integrate information models with system architecture. A common avionics baseline for advanced architectures is described together with a fully integrated embedded system. This integrated system has the following specific hardware requirements: a maintenance data proc... View full abstract»

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  • An automatic diagnosis system with fuzzy diagnostic approach for linear analog circuits

    Publication Year: 1990, Page(s):161 - 165
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (264 KB)

    A fuzzy verification diagnostic method is proposed to cope with the element tolerances problem existing in analog-circuit fault diagnosis. The element tolerances are defined as fuzzy sets and these definitions are utilized in the diagnostic equations to incorporate the fault location and evaluation process in order to enhance the robustness of the diagnosis method. An automatic fault-diagnosis sys... View full abstract»

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  • APLS-the European view of CALS

    Publication Year: 1990, Page(s):373 - 376
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (320 KB)

    The author sets forth a European view on CALS (Computer-aided Acquisition and Logistics Support) and its relationship to testability. He outlines reasons why it is time for the United States, Europe, and Japan to coordinate the move towards electronic data interchange (EDI). In addition, he attempts to describe the UK perception of CALS and testability and some of their future implications View full abstract»

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  • A Navy approach to integrated diagnostics

    Publication Year: 1990, Page(s):443 - 450
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (472 KB)

    The Naval Sea Systems Command (NAVSEA) is developing a framework for providing a total and integrated diagnostic capability for shipboard systems. This framework will consist of policies, standards, guides, and generic diagnostic software packages. A major part of this framework is the Navy Integrated Diagnostic Support System (IDSS). The IDSS is a research and development program to demonstrate t... View full abstract»

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  • GRADE: a graphical ATE desktop environment

    Publication Year: 1990, Page(s):231 - 238
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (500 KB)

    The GRADE (Graphical ATE Desktop Environment) operating shell, some requirements which prompted its design, and future enhancements are discussed. The objective of GRADE is to improve and standardize the user interface with automatic test equipment (ATE) while providing a platform that displays virtual instrumentation and allows paperless maintenance. The problem addressed in its development was h... View full abstract»

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  • Integrated diagnosis-a hierarchical approach

    Publication Year: 1990, Page(s):477 - 483
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (528 KB)

    ARINC's hierarchical model-based approach to integrated maintenance is described. The hierarchical approach is used in the diagnostic aids System Testability and Maintenance Program (STAMP) and Portable Interactive Troubleshooter (POINTER). The information-theoretic approach applied to achieve hierarchical diagnosis is described, and the effectiveness of STAMP and POINTER are described in detail. ... View full abstract»

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  • Mobile tester switching subsystem architecture

    Publication Year: 1990, Page(s):3 - 5
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (192 KB)

    The author discusses the overall system architecture of a switching subsystem that can be utilized in a mobile tester environment. It is suggested that a switching subsystem suitable for use in a downsized tester is achievable utilizing VXI. This system will make use of all of the positive attributes of VXI and will supplement them with additional features. Like a VXI system, the switching subsyst... View full abstract»

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  • Next generation TPS architecture

    Publication Year: 1990, Page(s):51 - 61
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (728 KB)

    The authors describe the symptom-model-based (SMB) approach, which correlates the failure symptom with the ambiguity group using historical data and diagnostic knowledge of the specific line replaceable units (LRUs). The SMB approach incorporates three key techniques for developing a next-generation TPS (test program set) architecture. The first technique is model-based diagnosis, which involves i... View full abstract»

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  • User configuration portable ATE

    Publication Year: 1990, Page(s):33 - 39
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (360 KB)

    A portable tester that will support commercial users and the two-level maintenance (TLM) philosophy of the military ATE (automatic test equipment) user is discussed. The tester integrates the total spectrum of capabilities of a given cell to maximize its assets without creating redundant functions. The system has a central processor/controller that handles the operator interface, test executive, a... View full abstract»

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  • V-22 mechanical diagnostic design approach

    Publication Year: 1990, Page(s):549 - 556
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (552 KB)

    The author uses the V-22 tiltrotor aircraft requirements and diagnostic applications to demonstrate the unique requirements of mechanical system diagnostic design. He explores the rationale for the selected approach and indicates how the mechanical system diagnostic requirements affect the avionics architecture and performance requirements. It is conducted that, in light of the underdeveloped natu... View full abstract»

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  • Testability for all seasons

    Publication Year: 1990, Page(s):387 - 394
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (544 KB)

    The author discusses the many roles of the testability engineer throughout the development cycle and summarizes successful techniques which have been used on a FSD program. The preplanned use of common BIT (built-in test) software throughout all echelons of maintenance and at the factory is reported. The author identifies many compelling reasons to design for testability, including MIL-STD-2165 co... View full abstract»

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  • Benefits of intelligent support systems [weapons maintenance]

    Publication Year: 1990, Page(s):13 - 20
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (476 KB)

    The benefits derived from the intelligent maintenance aid (IMA) project at Emerson Electric Co. are documented by comparing this expert system with traditional test systems. The expert system architecture, methods used for comparison with traditional test systems, and the benefits derived from the expert system implementation are explained. The structure of an artificial intelligence system allows... View full abstract»

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