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Date 20-23 Sept. 2004

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Displaying Results 1 - 25 of 148
  • Designing an open test software architecture featuring Lockheed Martin LM-STAR® case study

    Publication Year: 2004, Page(s):202 - 208
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (441 KB) | HTML iconHTML

    Nearly all of the automated test systems developed today are required to integrate with or at a minimum support the existing tests and test systems deployed in the depot and field. This involves supporting a wide range of tests developed in a variety of modern and legacy test development languages including LabWindows/CVI, LabVIEW, C/C++, Visual Basic, ATLAS, TCL, and HT-BASIC. The convergence of ... View full abstract»

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  • Practical implementation of an open system using ATML

    Publication Year: 2004, Page(s):196 - 201
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (330 KB) | HTML iconHTML

    As a large scale integrator The Boeing Company is always looking for ways to incorporate open systems into new and existing products. Automatic test equipment (ATE) is no exception; our military customers are demanding the incorporation of open standards into many of the systems associated with ATE. This means integrating the many facets of ATE that range from instrumentation, switching, test stat... View full abstract»

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  • Activity diagrams - a requirements distribution process for test equipment development

    Publication Year: 2004, Page(s):37 - 43
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (320 KB) | HTML iconHTML

    Requirements definition and allocation, i.e., the process of accurately capturing customer needs and distributing them to a development team, presents difficult hurdles for any program to traverse. This is especially true in test equipment design, because new product performance specifications are often fluid. A subtle change in a product's operating characteristics can have a large impact on test... View full abstract»

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  • Reducing engine TPS development time using Matlab

    Publication Year: 2004, Page(s):298 - 304
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (398 KB) | HTML iconHTML

    Aircraft engine testing requires the continuous evaluation of data collected on a series of sensor devices. The analysis is a comparison of two and sometimes three dimensional data. The data may also be nonlinear. The PASS/FAIL criteria is often a complex graph which requires the TPS engineer to analyze, interpret, and develop coefficient tables which then must be coded into the TPS. This paper ex... View full abstract»

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  • Development of an ATLAS test language to automatic test markup language translator

    Publication Year: 2004, Page(s):191 - 195
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (204 KB) | HTML iconHTML

    Development of an IEEE standard ATLAS syntax based translator for legacy ATLAS code into automatic test markup language, an XML schema, (ATML). Utilizing a design focused on deterministic finite automata generation tools for LALR languages coding efforts are minimized while optimizing repeatability of design and reducing development and maintenance costs. Jflex and CUP are utilized as the Java cod... View full abstract»

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  • Using software tools and metrics to produce better quality test software

    Publication Year: 2004, Page(s):293 - 297
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (249 KB) | HTML iconHTML

    Automatic test equipment (ATE) software is often written by test equipment engineers without professional software training. This may lead to poor designs and an excessive number of defects. The Naval Surface Warfare Center (NSWC), Corona Division, as the US Navy's recognized authority on test equipment assessment, has reviewed a large number of test software programs. As an aid in the review proc... View full abstract»

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  • Software - the key to making virtual instruments practical

    Publication Year: 2004, Page(s):147 - 153
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (397 KB) | HTML iconHTML

    The RF multi-function test system (RFMTS) was developed to address a wide variety of RF test demands and targeted at radically reducing test times. Practical interfacing and software are what make this system a viable and practical tool in a manufacturing and/or depot environment. This paper focuses on the software architecture and tools developed to allow the extensive capabilities of the hardwar... View full abstract»

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  • Using open networking standards over MIL-STD-1553 networks

    Publication Year: 2004, Page(s):117 - 123
    Cited by:  Papers (3)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (346 KB) | HTML iconHTML

    Over the past several decades, the MIL-STD-1553 networking technology has found use in a number of military and aerospace platforms including applications on aircraft, ships, tanks, missiles, satellites, and even the International Space Station. In developing software applications for these platforms, the use of modern, open networking standards such as TCP/IP is often a preferable solution. The I... View full abstract»

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  • Air vehicle integrated diagnostics

    Publication Year: 2004, Page(s):511 - 517
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (352 KB) | HTML iconHTML

    The BAE Systems air vehicle fault diagnostics team is extending its static post-flight diagnostics system to include a real-time in-flight diagnostics module. The existing post-flight diagnostics processing (PDP) module is a knowledge-based, rule-driven expert system that interprets the fault log after a flight. The proposed in-flight diagnostics processing (IDP) system will interpret the fault st... View full abstract»

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  • Bob Heinonen of Texas Heros Portrays

    Publication Year: 2004, Page(s): v
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (17 KB)

    First Page of the Article
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  • Automation design for 4G mobile Internet communication systems testing

    Publication Year: 2004, Page(s):18 - 22
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (231 KB) | HTML iconHTML

    It is well known that the system testing is the bottleneck in many system design and development life cycle, due to the lack of the reliable testing system and effective test methodology. Furthermore, the rapid advancement of telecommunication technologies also brings the high obsolete rate of systems under testing, thus a well designed test system is practically useless, if it can not be develope... View full abstract»

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  • PC based IEEE STD synthesis, enhanced through dedicated devices

    Publication Year: 2004, Page(s):415 - 421
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (333 KB) | HTML iconHTML

    In the paper 'PC based, IEEE signal & test definition standard, synthetic instruments', we introduced our successful implementation of a PC-based signal generation framework. This document describes our continuing research and development into this area, and the techniques we have developed. We outline many of the factors that enforce limits on the system, with examples regarding the processing po... View full abstract»

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  • Implementation architecture for IEEE standard P1641 - signal and test definition using IVI technologies

    Publication Year: 2004, Page(s):174 - 180
    Cited by:  Papers (3)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (381 KB) | HTML iconHTML

    The implementation of the emerging IEEE P1641 standard requires software architectures that enable the development and execution of instrument-independent TPSs. The signal interface standard developed by the IVI Foundation provides advanced instrument interchangeability capabilities, while using a signal-oriented instrument model. These characteristics make it an excellent choice for software solu... View full abstract»

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  • Integrating interchangeable virtual instruments (IVI) resources with ATEasy

    Publication Year: 2004, Page(s):185 - 189
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (207 KB) | HTML iconHTML

    New software technology, such as interchangeable virtual instruments (IVI), benefits customers of automatic test equipment by reducing cost of ownership. The costs of re-hosting test program software due to obsolescence issues can be reduced by using application development environments such as ATEasy and IVI. ATEasy provides the means of changing instruments and test system resources similar to I... View full abstract»

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  • Automated testing using PXI and IVI technologies

    Publication Year: 2004, Page(s):30 - 36
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (325 KB) | HTML iconHTML

    When selecting instruments for use in an automated testing environment, the engineer is presented with numerous options. The make, model, feature set, and reliability of each device are common factors in this decision. However, the type of bus over which the instrument communicates is what often governs the ultimate decision. An Ethernet-based system may be selected because of the high speed it af... View full abstract»

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  • Pre-emptive management of instrument obsolescence

    Publication Year: 2004, Page(s):52 - 57
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (267 KB) | HTML iconHTML

    Obsolescence of instrumentation in both military and industrial test systems has been identified as a significant problem for a wide range of automatic test systems (ATS) users. A process for pre-empting and managing this problem is required to ensure the minimum amount of disruption to the operation of an ATS and to protect the investment already made in the test system. This paper discuss the is... View full abstract»

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  • Automated troubleshooting tools for minimizing downtime and reducing the labor and material costs of C-5 aircraft

    Publication Year: 2004, Page(s):504 - 510
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (408 KB) | HTML iconHTML

    Based on recent reports (T.L. Ramey 1999, J.E. Pike 2000-2004), a large percentage of C-5 aircraft were found not mission capable due to maintenance problems. For example, in one location, no more than eight out of 22 C-5's were mission capable. These maintenance problems reveal the need to improve the utilization of current diagnostic systems. This paper emphasizes such a system, known as the mal... View full abstract»

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  • How to future-proof your ATS using LAN-based synthetic instruments

    Publication Year: 2004, Page(s):428 - 433
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (321 KB) | HTML iconHTML

    With the current trend to drive down the total cost of ownership of automatic test systems (ATS), industry-standard open architectures have been seen as a way of driving down the cost of test (for both design and manufacturing) and of reducing the size of ATS platforms (by eliminating redundant hardware and software). Since these open architectures have been based on rapidly changing commercial co... View full abstract»

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  • Bandwidth and bits: new AWG design achieves both

    Publication Year: 2004, Page(s):448 - 452
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (224 KB) | HTML iconHTML

    This paper describes the architecture and application of a new modular, dual channel arbitrary waveform generator (AWG) capable of generating a 1 GHz IQ modulation bandwidth. Each channel supports a signal fidelity of over 65 dB of spurious-free dynamic range (SFDR). The key technology consists of two Agilent-developed digital-to-analog converters (DAC) operating at 1-25 gigasamples per second (GS... View full abstract»

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  • The construction of test strategy tree and the automatic generation of visual test procedure

    Publication Year: 2004, Page(s):290 - 292
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (152 KB) | HTML iconHTML

    Visual test procedure (VTP) is a flow-chart view of test strategy tree and can be regarded as a kind of visual test program sets (TPS). This paper presents methods and processes to automate the generation of VTP from test strategy tree. View full abstract»

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  • An alternative to traditional software rehosting

    Publication Year: 2004, Page(s):305 - 309
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (288 KB) | HTML iconHTML

    This paper describes one alternative to rehosting TPS software to newer computer platforms. It describes the solution that Southwest Research Institute (SwRI) used to solve a problem with re-engineering legacy software into a modern object-oriented language. The advantages gained by this method are more advanced instruction to the operator (such as pictures and movies), flexible reporting scheme t... View full abstract»

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  • IVI drivers - new requirements for IVI conformance

    Publication Year: 2004, Page(s):181 - 184
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (167 KB) | HTML iconHTML

    With any new standard, users are concerned with the process vendors use to assure their products conform to the standard. Uniform conformity benefits all users by reducing the effort required to integrate products from different vendors. The IVI Foundation has spent over four years developing a specification and conformance infrastructure to assure IVI drivers are conformant. All future IVI driver... View full abstract»

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  • The Airbus A380 - an AFDX-based flight test computer concept

    Publication Year: 2004, Page(s):460 - 463
    Cited by:  Papers (6)  |  Patents (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (236 KB) | HTML iconHTML

    Commercial aircraft are in the process of defining new standards with the introduction of the Airbus A380, which involves the latest digital information techniques, such as the AFDX onboard realtime network. The AFDX standard, a major innovation in aircraft technology, first used with the Airbus A380, introduces telecom Ethernet-based technology, as well as a switch connection topology, rather tha... View full abstract»

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  • Improving performance in a VXI or PXI test system using distributed DSP

    Publication Year: 2004, Page(s):99 - 103
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (216 KB) | HTML iconHTML

    This paper presents the results of a study into the use of distributed digital signal processing (DSP) at the instrument level in a VXI and PXI based test system and the effects on test time. One of the limiting factors in testing mixed signal or analog devices using standard bus based instruments is the transfer speed from the instrument to the controlling computer of large amounts of waveform da... View full abstract»

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  • Extracting masked signal parameters with a synthetic instrument

    Publication Year: 2004, Page(s):140 - 146
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (316 KB) | HTML iconHTML

    Synthetic instruments apply the flexibility and computational capabilities of a digital signal-processing platform to synthesize a wide variety of synthetic instruments. We are often presented with measuring waveform characteristics containing known attributes and parameters. These parameters may include signal bandwidth, AM or FM modulation indices, spectral shape parameters and inserted pilot le... View full abstract»

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