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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
  • Impact of recent compression/decompression technologies in video distribution systems

    Publication Year: 1992, Page(s):568 - 572
    Cited by:  Patents (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (404 KB)

    The authors present the fundamental principles, techniques, and algorithms for compression/decompression currently available in the marketplace (JPEG/CCITT/MPEG) and a potentially superior method for cockpit video distribution applications under investigation. It is noted that JPEG (Joint Photographic Experts Group), CCITT (International Consultative Committee for Telephone and Telegraph), or MPEG... View full abstract»

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  • Plan-based information requirements: automated knowledge acquisition to support information management in an intelligent pilot-vehicle interface

    Publication Year: 1992, Page(s):428 - 433
    Cited by:  Papers (2)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (480 KB)

    The authors describe a prototype system that automatically derives abstract, display-independent information requirements (IRs) from a characterization of a pilot-level plan. Objects and actions present in the plan can also be used to describe the manner in which the information will be required, e.g., with what scope, resolution, bandwidth, etc. This information can then be used as the basis for ... 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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  • Knowledge-based reasoning in the Paladin tactical decision generation system

    Publication Year: 1992, Page(s):155 - 160
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (492 KB)

    A real-time tactical decision generation system for air combat engagements, Paladin, has been developed. A pilot's job in air combat includes tasks that are largely symbolic. These symbolic tasks are generally performed through the application of experience and training (i.e., knowledge) gathered over years of flying a fighter aircraft. Two such tasks, situation assessment and throttle control, ar... View full abstract»

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  • Future manned systems advanced avionics study COTS for space

    Publication Year: 1992, Page(s):514 - 522
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (712 KB)

    COTS+ has been defined as commercial off-the-shelf (COTS) products, ruggedized and militarized components, and COTS technology. The study cites the benefits of integrating COTS+ in space, postulates a COTS+ integration methodology, and develops requirements and an architecture to achieve integration. Developmental needs and concerns were identified throughout the s... View full abstract»

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  • Energy management displays for air combat

    Publication Year: 1992, Page(s):573 - 579
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (508 KB)

    In support of the NASA High-Alpha Technology Program (HATP), the Pilot-Vehicle Interface Group, Cockpit Technology Branch, Flight Management Division at Langley Research Center is researching display concepts to be flight tested in the F-18 High-Alpha Research Vehicle (HARV). The development of an energy management display concept and some background information on energy management in air combat ... View full abstract»

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  • Digital avionics simulation for trainers

    Publication Year: 1992, Page(s):434 - 439
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (416 KB)

    Faithful simulation of digital avionics in trainers requires realistic system performance over the full range of tactical operations that the students are expected to learn. The author describes how these requirements have been achieved in a ground-based helicopter tactics trainer. These requirements have been achieved for the 14H9 Tactical Team Trainer (TTT) developed for the US Navy SH-60F antis... View full abstract»

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  • Integration of embedded, real-time, Ada, operational flight programs with off-line engineering level-of-detail digital models

    Publication Year: 1992, Page(s):237 - 242
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (432 KB)

    The integration of an Ada operational flight program (OFP) with a FORTRAN simulation model is described. The architecture of the OFP is described, along with the portions of code necessary to simulate the desired system functions. Differences between the VAX Ada implementation and the Ada compiler for the MIL-STD-1750A microprocessor are discussed, and the necessary workarounds are highlighted. Re... View full abstract»

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  • An experimental voice command system for management of an integrated navigation system

    Publication Year: 1992, Page(s):597 - 602
    Cited by:  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (524 KB)

    An experimental voice command and integrated navigation system is described. The implementation is in a Convair 580 research aircraft. The system uses an interactive cockpit display to provide waypoint and routing management, fuel information, aircraft positioning, and navigation information and flight planning functions. For in situ measurement of physical phenomena, steering information is provi... 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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  • Feasibility analysis of a system for automatic tactical Nap-Of-the-Earth rotorcraft flight

    Publication Year: 1992, Page(s):85 - 90
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (560 KB)

    An analysis of a design approach to meet feasibility requirements for a system for automatic nap-of-the-earth (NOE) rotorcraft flight is presented. Results indicate that an autopilot for tactical NOE flight in adverse day/night conditions appears to be feasible. Accurate tactical navigation, automated mission planning, and an access port to the automatic flight controls system are assumed. A laser... View full abstract»

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  • A video pan/tilt/magnify/rotate system with no moving parts

    Publication Year: 1992, Page(s):523 - 531
    Cited by:  Papers (7)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (728 KB)

    A camera system for omnidirectional image viewing applications that provides pan, tilt, zoom, and rotational orientation within a hemispherical field-of-view (FOV) utilizing no moving parts has been developed. The imaging device is based on the effect that the image from a fisheye lens, which produces a circular image of an entire hemispherical FOV, can be mathematically corrected using high-speed... 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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  • C-17 flight control systems software design

    Publication Year: 1992, Page(s):580 - 585
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (512 KB)

    An overview of software architecture for C-17 flight control system (FCS) avionics is presented. The software architecture is seen to be multiprocessor with both independent channel operation and (software) frame synchronous operation. Communication between subsystems is by 1553 and ARINC buses. Communication within a subsystem is by 1553 and a serial cross channel data link. When taken as a whole... View full abstract»

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  • Flight results of the ring laser gyro based inertial navigation system for Atlas/Centaur

    Publication Year: 1992, Page(s):440 - 445
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (340 KB)

    The authors describe the Centaur modern avionics suite and discuss the inertial navigation flight performance. The integration of modern ring laser gyro and microprocessor technology into the Atlas/Centaur launch vehicle resulted in an order-of-magnitude improvement in orbital insertion accuracy over the previous gimbaled platform guidance system. The improved positioning accuracy minimizes the or... View full abstract»

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  • Multiple function sensors for enhanced vision application

    Publication Year: 1992, Page(s):37 - 40
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (236 KB)

    Enhanced vision, a system which includes sensors capable of supporting the means for safe operation in a low-visibility (fog) environment, is discussed. EVS (enhanced vision system) candidate sensors are described. A modularly architected sensor system with a new X-band weather radar as its principle sensor is proposed as a cost-effective means of achieving ESAS (enhanced situation awareness syste... View full abstract»

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  • F-16A/B improved REO display set modular architecture

    Publication Year: 1992, Page(s):243 - 247
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (412 KB)

    The modular avionics architecture used in the F-16A/B Improved Radar Electro-Optical (REO) Display makes use of existing standards, both industry and military. The architecture uses the IEEE-1296 backplane bus to interconnect the modules performing multiprocessing, MIL-STD-1553, RS-232, and High Speed Data Bus communications with external digital subsystems, and EIA-RS-170A and RS-343 for interfac... 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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  • 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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  • 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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  • 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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  • U.S. Coast Guard Aireye remote sensing system: the system-its uses-future upgrades

    Publication Year: 1992, Page(s):51 - 56
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (260 KB)

    The U.S. Coast Guard's Aireye remote sensor system, its uses, and its future upgrades are discussed. The Aireye system is a remote sensor package integrated into the HU-25B aircraft stationed at US Coast Guard Air Station Cape Cod. This day/night all-weather system consists of a side-looking airborne radar, an infrared/ultraviolet line scanner, and a high-resolution reconnaissance camera. These ar... View full abstract»

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  • The application of automatic surface lights to improve airport safety

    Publication Year: 1992, Page(s):91 - 96
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (612 KB)

    The Federal Aviation Administration's (FAA's) Airport Surface Traffic Automation (ASTA) program, part of an effort to develop new techniques for managing airport traffic, is discussed. ASTA focuses on advanced surveillance, communications, and automation techniques, with the objectives of improving airport safety, reducing delays, and increasing efficiency. Particular attention is given to the fir... View full abstract»

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  • Display processing for a synthetic vision system (SVS) utilizing the VME environment

    Publication Year: 1992, Page(s):532 - 537
    Cited by:  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (448 KB)

    The synthetic vision system sensor should, in its ultimate form, create an image on a head-up/head down display (HUD/HDD) that duplicates what the pilot would see in good visual flight rules (VFR) approach and landing conditions. This in turn implies a sensor that has sufficient resolution, weather penetration and registration to provide normal visual cues for landing such as orientation, rate of ... View full abstract»

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