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15th DASC. AIAA/IEEE Digital Avionics Systems Conference

27-31 Oct 1996

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Displaying Results 1 - 25 of 72
  • Design of a power-optimized micro miniature advanced instrument controller for sensor craft applications

    Publication Year: 1996, Page(s):145 - 150
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (508 KB)

    A highly-functional self-contained sensor data acquisition and processing system is under development for a probe designed to penetrate the surface of Mars. The processing system, based on an 8051 controller, is about the size of a postage stamp, weighs three grams, and consumes 50 mW in nominal operation. It is designed to operate in space under 15,000 G impacts and down to -120°C temperature... View full abstract»

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  • The Aeronautical Telecommunications Network (ATN) testbed

    Publication Year: 1996, Page(s):117 - 122
    Cited by:  Papers (1)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (480 KB)

    The Aeronautical Telecommunication Network (ATN) is being defined within the International Civil Aviation Organization (ICAO) as a digital data communications network for the aeronautical community. ATN routers will link the diverse networks and technologies within the aeronautical environment into an internetwork. The routers provide intelligence to select the best communications path for each pa... View full abstract»

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  • Dynamic fault tree analysis for digital fly-by-wire flight control system

    Publication Year: 1996, Page(s):479 - 484
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (388 KB)

    Digital Fly-By-Wire (FBW) Flight Control System (FCS) is designed to achieve high level of reliability, frequently employ high level of redundancy. Dynamic redundancy employed in FEW system can realize complex fault and error diagnosis, recovery and reconfiguration. It is very difficult to analyze the reliability of the FEW system by traditional methods, such as Fault Tree Analysis (FTA) or Networ... View full abstract»

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  • HISARTM COTS-based synthetic aperture radar

    Publication Year: 1996, Page(s):319 - 325
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (548 KB)

    Commercial products and practices offer the potential of reduced costs, lower risk and faster technology insertion opportunities. However, in the domain of high performance aircraft avionics, the potential for change is likely to be limited without an in-depth comprehension of the military environment, its specifications/requirements, and the capability of commercial products to satisfy them. Hugh... View full abstract»

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  • Survey and taxonomy of three-dimensional packaging approaches

    Publication Year: 1996, Page(s):139 - 144
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (584 KB)

    This paper presents a survey of the field of 3-D packaging and suggests a taxonomy based on observations of an active research field and direct experience in the development of dimensionally-constrained electronics system packaging concepts. Of chief interest is the (1) identification of the attributes of 3-D approaches and quantitative performance metrics; (2) packaging medium and facilitation (e... View full abstract»

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  • VDL Mode 4/STDMA-a CNS data link

    Publication Year: 1996, Page(s):111 - 116
    Cited by:  Papers (2)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (452 KB)

    At its tenth Air Navigation Conference (1991), the ICAO endorsed the so-called Communication, Navigation, Surveillance/Air Traffic Management concept, CNS/ATM. This concept envisages the use of data link communications, satellite navigation and automatic dependent surveillance (ADS). The Swedish Civil Aviation Administration (SCAA) has been involved in the technical and operational development of ... View full abstract»

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  • Reconfiguration in an integrated avionics design

    Publication Year: 1996, Page(s):471 - 478
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (660 KB)

    This report covers the subject of F-22 avionics core processing fault tolerance and reconfiguration. Fault tolerance is defined as a survivable attribute of a system that allows it to deliver its expected service after faults have manifested themselves within the system. The report addresses all dimensions of the integrated avionics processing fault tolerance/reconfiguration implementation. This i... View full abstract»

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  • New millennium deep space Tiny Transmitter: first phase of a digital transponder

    Publication Year: 1996, Page(s):225 - 230
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (508 KB)

    An advanced technology X- and Ka-band (8 and 32 GHz) Tiny Transmitter is being developed for the New Millennium program and is described in this paper. The Tiny Transmitter is the first development phase of the Tiny Transponder which will incorporate recent advances in miniaturization and flexibility of radio systems by utilizing digital radio techniques. These techniques incorporate digital techn... View full abstract»

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  • A risk assessment model for free flight-terminal area reduced separation

    Publication Year: 1996, Page(s):73 - 80
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (740 KB)

    Safety levels are a vital concern as new technologies and procedures are introduced into the National Airspace System. Despite a wealth of information from flight operations and testing programs, there is no accepted method to quantify the relationship between safety levels and aircraft separation standards in the terminal area. This paper presents a modeling approach to quantify the risk associat... View full abstract»

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  • 15th DASC. AIAA/IEEE Digital Avionics Systems Conference

    Publication Year: 1996
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (320 KB)

    The following topics are dealt with: systems engineering processes; software engineering; free flight technology; aeronautical data link communication; spacecraft avionics; fly by light; open systems architecture; new millennium program; avionic displays; sensors and signal processing; integrated avionics; commercial avionics; military avionics; GNSS systems; modular avionics; RFI; and fault toler... View full abstract»

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  • FIRM-a database management system for real-time avionics

    Publication Year: 1996, Page(s):313 - 318
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (456 KB)

    The Functionally Integrated Resource Manager (FIRM) is an object-oriented database management system (DBMS) for use in avionics applications. It is also suitable for other real-time embedded applications from submarines to space stations. This paper examines the need for FIRM, and the unique requirements for avionics DBMSs not met by ordinary DBMSs. It then describes the unique features and constr... View full abstract»

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  • Migration of Integrated Modular Avionics to space

    Publication Year: 1996, Page(s):131 - 137
    Cited by:  Papers (2)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (828 KB)

    An overview of the recent work in migrating the Integrated Modular Avionics (IMA) architecture to space is presented. IMA is a candidate avionics architecture for space vehicles. The IMA was originally developed for the Boeing 777 program; since the IMA's successful implementation on the 777 program, significant progress has been made on the space IMA. This migration has focused on three areas: th... View full abstract»

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  • Cavity to cavity coupling measurements in commercial aircraft and the implications for on-board operation of personal electronic devices

    Publication Year: 1996, Page(s):333 - 338
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (452 KB)

    Characterization of the cavity electromagnetic environment and various coupling mechanisms to aircraft systems have been performed for internal emitters. One potential coupling mechanism is radiative coupling to wire bundles which then penetrate an electronic system enclosure as well as direct aperture coupling to the enclosure. This paper addresses the issue of cavity-to-cavity coupling or the el... View full abstract»

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  • A methodology and initial results specifying requirements for Free Flight transitions

    Publication Year: 1996, Page(s):87 - 93
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (680 KB)

    This paper aims to develop an operational concept and requirements for initial en route Free Flight using a simulation model of the Cleveland Air Route Traffic Control Center. The results of simulation studies of proposed implementation concepts are summarised and infrastructure requirements to transition from the current ATC system to mature Free Flight are specified. The transition path to Free ... View full abstract»

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  • Robust message integrity for FANS 1 and CNS/ATM

    Publication Year: 1996, Page(s):103 - 110
    Cited by:  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (672 KB)

    The International Civil Aviation Organization (ICAO) is developing a Communication, Navigation, and Surveillance/Air Traffic Management system (CNS/ATM) to provide advanced data link services between aircraft and ground hosts. These services will be provided over the Aeronautical Telecommunications Network (ATN) infrastructure, which is yet to be fully implemented. In the interim, the FANS 1 (Futu... View full abstract»

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  • Avionics HIRF certification for the 21st century

    Publication Year: 1996, Page(s):433 - 436
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (324 KB)

    The FAA and industry EMC leaders have periodically met to define the adequacy of protection requirements for civil avionics from outside interference since 1980. In 1986 the FAA Technical Center contracted for a definition of the electromagnetic environment for civil aviation. This study was performed by the Electromagnetic Compatibility Analysis Center (ECAC). The study has shown levels of exposu... View full abstract»

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  • Avionics processors in the coming era: if you touch me more than twice I'll scream

    Publication Year: 1996, Page(s):415 - 422
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3652 KB)

    Current military avionics systems have arisen from a technology, procurement, and support heritage that has driven system concepts and approaches down very narrow channels. The present technology and programmatic environments open the possibility of a rennaissance in avionics system thinking. This paper briefly carries out one such exercise View full abstract»

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  • Fault-tolerance: a methodology for implementing highly dependable systems

    Publication Year: 1996, Page(s):465 - 470
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (548 KB)

    Dependability is defined as the trustworthiness of a system such that: reliance may be justifiably placed on the service it delivers and; the system has the ability to provide required service whenever that service is needed. The service delivered by a system is its behavior as perceived by its user(s); a user is another system (human or physical) that interacts with the dependable system. This pa... View full abstract»

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  • Modular, reusable flight software for production strike aircraft

    Publication Year: 1996, Page(s):401 - 406
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (804 KB)

    In 1995, an initiative was launched at McDonnell Douglas Aerospace to assess the potential for reuse of flight software across multiple fighter aircraft platforms, and to define and demonstrate a supporting system architecture based upon open commercial hardware, software, standards and practices. The project has, thus far, yielded a preliminary common software architecture for mission processing,... View full abstract»

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  • US Army digitization and open architectures for avionics

    Publication Year: 1996, Page(s):199 - 204
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (588 KB)

    There are key technology and acquisition issues of prime importance to the US Army as it develops plans to provision warfighters with capabilities that harness computing power to enhance combat power in the next century. This harnessing of computing power is the crux of the Army's “digitization” efforts. A critical component of this “digitization” provisioning will be a dep... View full abstract»

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  • Structural coverage analysis method

    Publication Year: 1996
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (332 KB)

    This paper describes a method to obtain structural coverage using a combination of structural coverage attained through Requirement-Based Testing (RBT) and Analysis. This method sets a specific coverage level that must be obtained through RBT alone for each element. The remaining code, not structurally covered, is then analyzed using a number of criteria. This combination of testing and analysis p... View full abstract»

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  • Vertical situation awareness and pilot performance

    Publication Year: 1996, Page(s):499 - 504
    Cited by:  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (412 KB)

    This study examines a pilot's understanding of the avionics' behavior while flying. Under most conditions, pilots are able to successfully understand the avionics during flight. There are times, however, when the pilot may not be totally aware of what the avionics are doing, why an action is being performed, and what the automation will do next. Explanations of these conditions that lead to aviati... View full abstract»

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  • Display driver interconnect technology for military and avionic AMLCD

    Publication Year: 1996, Page(s):251 - 256
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (464 KB)

    The two most important display driver interconnect technology candidates for military and avionic AMLCD are tape automated bonding (TAB), and flip chip on glass (FCOG). These two technologies will be reviewed and compared in detail. The topics presented include: maturity of the respective technologies; infrastructure differences; known good die issues; FCOG layout issues; processing and run rate i... View full abstract»

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  • A description of the hardware element of the NASA EME flight tests

    Publication Year: 1996, Page(s):451 - 456
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (544 KB)

    In support of NASA's fly-by-light/power-by-wire (FBL/PBW) program, a series of flight tests were conducted by NASA Langley Research Center in February, 1995. The NASA Boeing 757 was flown past known RF transmitters to measure both external and internal radiated fields. The aircraft was instrumented with strategically located sensors for acquiring data on shielding effectiveness and internal coupli... View full abstract»

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  • SAE AS4893 Generic Open Architecture (GOA) framework

    Publication Year: 1996, Page(s):217 - 222
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (480 KB)

    The generic open architecture (GOA) framework is a Society of Automotive (SAE) Avionics Systems Division standard, SAE AS4893. The GOA framework was developed as a framework for discussing open systems architecture and for identifying critical components and interfaces. The GOA framework is being used as a framework within the avionics community for developing a preferred set of interface standard... View full abstract»

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