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[1992] Proceedings IEEE/AIAA 11th Digital Avionics Systems Conference

5-8 Oct. 1992

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Displaying Results 1 - 25 of 99
  • Proceedings of 1992 IEEE/AIAA 11th Digital Avionics Systems Conference

    Publication Year: 1992
    Request permission for commercial reuse | PDF file iconPDF (88 KB)
    Freely Available from IEEE
  • All terrain ground collision avoidance and maneuvering terrain following for automated low level night attack

    Publication Year: 1992, Page(s):13 - 18
    Cited by:  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (620 KB)

    The development of an all-terrain ground collision avoidance system (GCAS) in conjunction with a maneuvering terrain following (TF) system is discussed. Both systems use a digital terrain database. The unprecedented pilot interaction available with the automatic systems provides a means to significantly improve combat survivability. The pilot is able to execute high rate turns, evasive maneuvers, ... View full abstract»

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  • A systems approach to design: developing a usable automation tool for air traffic control

    Publication Year: 1992, Page(s):167 - 173
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (644 KB)

    The authors describe the successful application of a systems approach, using iterative feedback from the target users, to develop a set of automation functions for terminal area air traffic control. The automation system, referred to as the Center/TRACON (terminal radar approach control facility) Automation System (CTAS), was developed through input from both the air traffic control community and ... View full abstract»

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  • System control for fault-tolerant avionics architectures

    Publication Year: 1992, Page(s):219 - 224
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (500 KB)

    The real-time, multitasking and multiple processor configurations required for avionics systems have been examined in detail with respect to implementation in Ada to understand the problems associated with these configurations. A key element in this architecture is the software, specifically the operating system which runs as the core software element in the system. The author examines such a real... View full abstract»

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  • Role of hardware-in-the-loop simulation in fly-by-light system development

    Publication Year: 1992, Page(s):19 - 24
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (532 KB)

    It is proposed that hardware-in-the-loop simulation is an effective and relatively inexpensive way to build the experience that will be necessary for acceptance of photonics implementation for future vehicle management systems. This approach has application beyond the normal role of integration and V&V (verification and validation) testing. It can be used as an operational mockup to evaluate m... View full abstract»

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  • MD-11 automatic flight system

    Publication Year: 1992, Page(s):174 - 177
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (256 KB)

    The authors summarize the overall architecture and redundancy management concepts of the MD-11 Automatic Flight System (AFS) and detail the unique application of the flight control computer capabilities to each of the system functions. In addition to the autoland and windshear functions, the integrated AFS provides Longitudinal Stability Augmentation Systems (LSASs) and roll control wheel steering... View full abstract»

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  • Lisp-to-Ada reengineering issues and support environments for fielding real-time systems

    Publication Year: 1992, Page(s):225 - 230
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (600 KB)

    Since 1988, the Software Systems Group of the Boeing Military Airplane division has been demonstrating Ada reimplementations of intelligent applications and building a laboratory simulation environment to evaluate the viability of these Ada implementations. Several critical analysis and translation tools have been identified that can mechanize part of the Lisp-to-Ada reengineering work, to apply v... View full abstract»

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  • An approach to transitioning FAA air/ground communications to a digital system

    Publication Year: 1992, Page(s):25 - 30
    Cited by:  Papers (2)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (592 KB)

    The current VHF air-to-ground communication system used by the Federal Aviation Administration (FAA) for air traffic control (ATC) is projected to reach the limit of its capacity in high traffic density areas within five to ten years. Regardless of the specific architecture of a replacement system, there will be a significant period of time during which the FAA must operate both the old and new sy... View full abstract»

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  • Software reliability evaluation of the X-29A flight control system

    Publication Year: 1992, Page(s):376 - 387
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (728 KB)

    Data from flight tests of the X-29A have been studied using the Statistical Modeling and Estimation of Reliability Functions for Software (SMERFS) modeling package. An overview of the X-29 program is presented. The failure reporting process and the testing strategy from which the failure data were collected are presented. The data are then segregated and analyzed with engineering judgment. The res... View full abstract»

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  • New optical fiber data buses for avionics applications

    Publication Year: 1992, Page(s):417 - 422
    Cited by:  Papers (3)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (476 KB)

    The key techniques which can be used to implement new avionics optical fiber data buses for aircraft and spacecraft applications are investigated. Several new optical modulation schemes for avionics optical data buses are proposed which can efficiently overcome the difficulties in recognizing the correct states of an active transmitter at the output of optical receivers. The feasibility of such mo... View full abstract»

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  • A method of evaluating candidate spacecraft data system architectures

    Publication Year: 1992, Page(s):457 - 463
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (680 KB)

    The authors discuss a trade study of spacecraft data system architectures that engineers at Honeywell Inc., Space Systems Group, performed using an architecture trade-off tool (AToT). AToT is a tool that compares preliminary designs against criteria that measure the goodness of a solution. AToT is useful for any trade study in which two or more alternatives must be compared. AToT allows a system e... View full abstract»

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  • Synthetic vision-a view in the fog

    Publication Year: 1992, Page(s):603 - 610
    Cited by:  Papers (5)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1216 KB)

    The FAA (US Federal Aviation Administration), industry, and DOD (US Department of Defense) are collaborating to evaluate and demonstrate technologies permitting aircraft to land in very low visibilities over a wide range of airports. Called the Synthetic Vision System Technology Demonstration Program, the system concept provides an electronic image of the runway to the pilot on a head-up display w... View full abstract»

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  • Application of Space Station Freedom (SSF) DMS technology to fault tolerant avionics systems

    Publication Year: 1992, Page(s):120 - 126
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (568 KB)

    The Space Station Freedom (SSF) is developing a space-qualified Data Management System (DMS) packaged with standard modules and backplanes as well as Ada software capabilities. The SSF architecture must be augmented with tight processor synchronization and cross-strapped input/output capabilities to implement N-modular redundant (NMR) system voting. There are many architectural variations availabl... View full abstract»

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  • Pilot-vehicle interface

    Publication Year: 1992, Page(s):296 - 300
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (316 KB)

    The pilot-vehicle interface (PVI) technical report of the FAA Technical Center's Digital System's Validation Handbook, Volume II (DOT/FAA/CT-88/10), is summarized. The report identifies issues dealing with the PVI and their impact on flight safety. The report examines cockpit standards, technology, and human factors for commercial cockpits. In addition, reviews of the literature, interviews with e... View full abstract»

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  • Controls and displays for Douglas Aircraft for the 1990s

    Publication Year: 1992, Page(s):178 - 182
    Cited by:  Papers (1)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (432 KB)

    The rapid changes occurring in the design of aircraft cockpits are presented. The development of cockpit and avionics integration at Douglas Aircraft and a Honeywell Air Transport Systems Division featured in the MD-11 is summarized. The authors then predict further improvements in the next decade, breaking down this technology into controls, sensors, displays, and formats. Examples of each are pr... View full abstract»

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  • An architecture for modular hardware and software fault tolerance in critical real time applications

    Publication Year: 1992, Page(s):231 - 236
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (600 KB)

    A modular approach to providing software fault tolerance has been developed by layering this capability onto the C.S. Draper Laboratory (CSDL) Fault Tolerant Processor (FTP) architecture and its Ada RTS to create the Fault Tolerant Processor with Multi-Version Software (FTP-MVS). The FTP-MVS is designed to maintain and extend the high-reliability, low-redundancy management overhead, transparency o... View full abstract»

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  • Application of system modeling to the development of complex systems

    Publication Year: 1992, Page(s):138 - 142
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (312 KB)

    Two examples of system modeling are discussed. The first highlights work performed to develop tools and methods which will allow rapid prototyping of flight deck communication concepts. This example deals with modeling functionality which is either new or substantially enhanced and for which little or no requirement foundation exists. The second highlights a commercially available software product... View full abstract»

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  • Avionics architecture for performing fire control research in AH-64 aircraft

    Publication Year: 1992, Page(s):210 - 218
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (620 KB)

    It is shown how the avionics architecture principle of distributed processing can be exploited to permit extensive research, with rapid software changes, in a saturated software environment. Specifically, it is shown how part of the newly developed Apache C/D distributed avionics architecture was added to a standard Apache A system with its inflexible centralized computer. Adding the weapon proces... View full abstract»

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  • Integrated voice and data communications for air traffic service applications

    Publication Year: 1992, Page(s):31 - 36
    Cited by:  Papers (1)  |  Patents (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (432 KB)

    The present work has been prepared in support of a Federal Aviation Administration (FAA) sponsored Mission Oriented Investigation and Experimentation project. The main purpose of the project was twofold: 1) to demonstrate the operational benefits of integrated digital voice and data applications that will enhance air traffic control (ATC) and air traffic services and 2) to demonstrate the operatio... View full abstract»

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  • The maintenance of operational flight programs

    Publication Year: 1992, Page(s):388 - 393
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (416 KB)

    The process of maintaining operational flight programs (OFPs) is discussed. The aim of this discussion is to allow interested individuals to understand how OFPs work, how OFPs are changed, how OFPs are tested, how OFPs documented, how to train OFP maintainers, and how to OFPs View full abstract»

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  • Development of an electronic chart display system (ECD) with global positioning satellite (GPS) data

    Publication Year: 1992, Page(s):423 - 427
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (380 KB)

    To aid aircrews in maintaining geographical orientation and to reduce navigation workload, an electronic chart display (ECD) system coupled with a Global Positioning System (GPS) was developed and ground-tested in the local area with both 1:500,000 and 1:100,000 scale digitized maps. System accuracy was not limited by GPS accuracy (±100 ft), but rather by the area represented by each map pi... View full abstract»

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  • Modeling a highly reliable fault-tolerant guidance, navigation, and control system for long duration manned spacecraft

    Publication Year: 1992, Page(s):464 - 469
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (492 KB)

    The use of a reliability modeling simulation tool to evaluate the reliability of a hypercube multiprocessor which is a candidate architecture for guidance, navigation, and control systems for long-duration manned spacecraft is described. The simulation tool was used to evaluate homogeneous Markovian, nonhomogeneous Markovian, and non-Markovian models of the hypercube. The study focuses on the effe... View full abstract»

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  • SAFEbus

    Publication Year: 1992, Page(s):68 - 73
    Cited by:  Papers (13)  |  Patents (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (568 KB)

    SAFEbus is slated to become the first standard backplane bus for commercial avionics. It has been accepted as the draft for ARINC Project Paper 659. SAFEbus is designed to provide communications of all data among the line replaceable modules in the Boeing 777 Airplane Information Management System (AIMS) cabinets. The success of an integrated cabinet hinges on the backplane bus. It is the mechanis... View full abstract»

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  • C-17 flight control system

    Publication Year: 1992, Page(s):1 - 6
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (592 KB)

    The authors describe the C-17 flight control system (FCS), starting with the aircraft requirements for deep stall avoidance, probability of loss of control, all engine out control, and safe go-around requirements. FCS requirements derived from the aircraft requirements are described. The apportionment of FCS requirements to the fly-by-wire (FBW) electronic flight control system (EFCS) and to the b... View full abstract»

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  • Object-oriented design by transformations

    Publication Year: 1992, Page(s):358 - 369
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (920 KB)

    The authors discuss the nature of object-oriented design within the classic software engineering framework of analysis, design, and implementation phases. In the present model, design is decomposed into three distinct ordered activities, each addressing a specific aspect formulated by the specifications: functionality, resource constraints, and performance requirements. Decoupling these design act... View full abstract»

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