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[1993 Proceedings] AIAA/IEEE Digital Avionics Systems Conference

25-28 Oct. 1993

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Displaying Results 1 - 25 of 78
  • Proceedings of 1993 IEEE.AIAA 12th Digital Avionics Systems Conference

    Publication Year: 1993
    Request permission for commercial reuse | PDF file iconPDF (330 KB)
    Freely Available from IEEE
  • Improving software development through the proper implementation of a standard software process: case study and lessons learned

    Publication Year: 1993, Page(s):382 - 387
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (452 KB)

    The Software Engineering Institute publishes a set of key practices describing “what” should be done by an organization developing software, but not “how” to achieve it. Each organization has the responsibility to develop and implement a company standard process. For such a process to be effective, the software project teams must accept it as adding value to their developme... View full abstract»

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  • FINDER, a system providing complex decision support for commercial transport replanning operations

    Publication Year: 1993, Page(s):141 - 146
    Cited by:  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (520 KB)

    Decision-aid systems, likely to appear in future aircraft generations, could play a central role in the cockpit thanks to the broad spectrum of functionalities and decision support facilities they will offer to the crew. As part of such systems, the exploratory FINDER mockup is a knowledge-based system (KBS) designed to help crew members continually optimize their flight plan by suggesting solutio... View full abstract»

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  • Keys to meeting the operational enhancement needs of the air traffic management system

    Publication Year: 1993, Page(s):1 - 5
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (296 KB)

    Managing the evolution of the U.S. aviation system is a daunting task. The Federal Aviation Administration's (FAA's) Center for Advanced Aviation System Development (CAASD) at the MITRE Corporation has been working with industry and the FAA on solving problems associated with managing large systems, leveraging technology to meet operational needs, and using new system engineering management struct... View full abstract»

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  • Current trends and practices in ramp testing of digital avionics systems

    Publication Year: 1993, Page(s):388 - 393
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (432 KB)

    This paper describes the current state of ramp testing mode-S, TCAS and other avionics systems. The paper discusses the advantages and disadvantages of ramp testing and some of the problems associated with testing radio-based systems View full abstract»

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  • Fighter cockpits of the future

    Publication Year: 1993, Page(s):318 - 323
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (420 KB)

    A cockpit revolution is in the making. Many of the much ballyhooed, much promised, but little delivered technologies of the 70's and 80's will finally come of age in the 90's just in time to complement the data explosion coming from sensor and processing advances. Technologies such as helmet systems, large flat panel displays, speech recognition, color graphics, decision aiding and stereopsis, are... View full abstract»

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  • A new adjudicator for fault tolerant software applications correctly resulting in multiple solutions

    Publication Year: 1993, Page(s):147 - 152
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (488 KB)

    The creation of a decision mechanism that can handle Multiple Correct Results (MCR) (resulting from causes other than finite-precision arithmetic) has primarily been an unexplored research area. The lack of means to handle and/or avoid the MCR problem is one of the limiting factors in the practical and effective use of N-Version Programming (NVP) and other software fault tolerance techniques. MCR ... View full abstract»

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  • Computer upset, matrix norms, and asymptotic stability

    Publication Year: 1993, Page(s):237 - 242
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (300 KB)

    The asymptotic stability of linear digital systems is examined under conditions of massive transient fault occurrence. It is shown that the usual approach for stability using eigenvalues does not appear suitable for these conditions. A theorem is derived about stability using the norms of the matrix actions on the system View full abstract»

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  • FAA's design approach to a global data link system

    Publication Year: 1993, Page(s):81 - 85
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (340 KB)

    This paper describes three key features of the design approach that the FAA has chosen to achieve the vision for a global data link system. Although the FAA's overall system design is committed to change and evolution, there are, nevertheless, certain features of the approach which are relatively fixed. We have called this the structure of FAA's design approach. These relatively fixed features are... View full abstract»

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  • Advanced graphics processor

    Publication Year: 1993, Page(s):394 - 399
    Cited by:  Papers (3)  |  Patents (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (476 KB)

    This paper describes cockpit display processor research and development being conducted at the Wright Laboratory. The objective is a compact, high performance, cockpit avionic display generator. The resulting system will generate 1.5 million triangles per second and manipulate high resolution video. The design is based on a pipeline of custom VLSI geometry processors and smart memory. The applicat... View full abstract»

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  • Photonic integrated circuits for wide bandwidth avionic systems

    Publication Year: 1993, Page(s):324 - 328
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (288 KB)

    The evolution of fiber optic networks into aircraft will require fault tolerant, wide band optical transmission and real time single processing. Photonic integrated circuits (PIC's) are expected to play a key role in the evolution of these networks and the timely establishment of fly-by-light technologies in avionic systems View full abstract»

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  • The fourth dimensional cockpit

    Publication Year: 1993, Page(s):153 - 159
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (620 KB)

    The major challenge for aircraft pilots has always been the timely management of information. This includes information about the systems of the aircraft that he is flying as well as information from the environment in which he is operating. The first key design limitation that cockpit designers encountered was space. The two-dimensional cockpit quickly ran out of physical space, resulting in the ... View full abstract»

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  • Application of distributed, fault-tolerant Ada to multiprocessor, real-time, integrated avionics systems

    Publication Year: 1993, Page(s):243 - 247
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (460 KB)

    Traditional avionics system approaches implement separate specialized hardware/software solutions to realize functionality of major sub-system components. Recent advances in Ada language system software provide additional distribution and fault tolerance capabilities supporting integrated, multiprocessor, real-time avionics system applications. These capabilities increase system functional availab... View full abstract»

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  • Microwave induced upset of digital flight control systems

    Publication Year: 1993, Page(s):179 - 184
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (576 KB)

    Recent tests of flight control system components show that digital flight control systems are vulnerable to microwave signals, but only at very high power levels, well above that produced by commercial radar installations. Test results of sensors, computers, data busses, and actuators reveal that long standing fears of inherent fly-by-wire flight control system vulnerability to microwave radiation... View full abstract»

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  • Flight assessment of 3 flat panel display technologies for CRT replacement

    Publication Year: 1993, Page(s):475 - 480
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (340 KB)

    Replacement of The ASQ-151, ASQ-175, and ASQ-184 monochrome cathode ray tube displays, used in the B-52 and B-1B, with flat panel displays will provide significant improvements in the reliability and maintainability of the display systems while improving the quality of the information viewed by the crew using these displays. This paper presents the process followed by USAF and Battelle (under the ... View full abstract»

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  • ATM and FIS data link services

    Publication Year: 1993, Page(s):92 - 97
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (384 KB)

    The Federal Aviation Administration (FAA) currently has under development data link services for Air Traffic Management (ATM), Flight Information Service (FIS), and Communications, Navigation, and Surveillance (CNS). These services will be provided over the Aeronautical Telecommunications Network (ATN), a worldwide data network intended to provide data communications connectivity among mobile airc... View full abstract»

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  • Practical applications of modern controls for booster autopilot design

    Publication Year: 1993, Page(s):400 - 412
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (680 KB)

    This paper presents an evaluation of three of the most promising optimal control techniques for use in launch vehicle autopilot design. The methods evaluated are the EASY5 parameter optimizer, H∞, and SANDY/H2. Both the EASY5 parameter optimizer and SANDY/H2 are commercially available software packages based on constrained optimization. Recent advances in the applicatio... View full abstract»

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  • Digital flat panel cockpit displays and specification

    Publication Year: 1993, Page(s):306 - 311
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (412 KB)

    Flight instrument design has begun to include a new, digital electronic technology for the display head: active matrix liquid crystal display (AMLCD). This is a significant design transition and applies across the board to new systems, complete cockpit modernization programs, and individual instrument replacement projects. AMLCD-based instruments are digital and are expected to have a substantiall... View full abstract»

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  • Warning system concepts to prevent controlled flight into terrain (CFIT)

    Publication Year: 1993, Page(s):463 - 468
    Cited by:  Patents (19)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (476 KB)

    Terrain Following Radar (TFR) systems have employed techniques for avoiding collision with terrain and man-made obstacles since their inception over twenty years ago. Evolutionary advances in terrain following technology have produced the Covert Penetration System (CPS), which combines information from the forward looking radar with a digital map to enhance the capabilities of the TF component and... View full abstract»

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  • Computer architectures for a real-time passive ranging algorithm

    Publication Year: 1993, Page(s):292 - 297
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (508 KB)

    The complexity of rotorcraft missions involving operations close to the ground result in high pilot workload. In order to allow a pilot time to perform mission-oriented tasks, sensor-aiding and automation of some of the guidance and control functions is highly desirable. Images from an electro-optical sensor provide a covert way of detecting objects in the flight path of a low-flying helicopter. P... View full abstract»

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  • A methodology for assessing high intensity RF effects in aircraft

    Publication Year: 1993, Page(s):451 - 456
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (576 KB)

    Optical components have an inherent immunity to the electromagnetic interference (EMI) associated with High Intensity Radiated Fields (HIRF). The optical technology embodied in Fly-by-Light (FBL) might therefore minimize the effects of HIRF on digitally controlled systems while providing lifetime immunity to signal EMI. This is one of the primary motivations for developing FBL systems for aircraft... View full abstract»

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  • Wavelets-a new tool for signal processing analysts

    Publication Year: 1993, Page(s):54 - 59
    Cited by:  Papers (5)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (460 KB)

    This paper provides a brief introduction to “Wavelets”, and describes some of their basic characteristics. It then describes some general wavelet features that can be exploited, supplementing traditional signal analysis techniques. These features are just a few underlying reasons why wavelets are becoming an exciting new tool for signal processing analysts. In some cases “Wavelet... View full abstract»

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  • IEEE P1220-standard for system engineering-a commercial standard for improving competitiveness

    Publication Year: 1993, Page(s):6 - 11
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (384 KB)

    The IEEE organized a standards group in December, 1989 to establish an industry-based standard for systems engineering. The standard's development is nearing completion, and provides a common framework for understanding systems engineering as established by MIL-STD-499B, Systems Engineering (draft). Many enterprises support both defense and commercial endeavors, and strive to establish a common ap... View full abstract»

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  • Optical connectors and variable losses in coupling multimode fibers

    Publication Year: 1993, Page(s):329 - 335
    Cited by:  Papers (1)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (456 KB)

    In this paper we discuss optical connectors, and address important optical and mechanical parameters that can impact the performance of optical connectors deployed in military avionics. A brief survey of fiber optic connector designs is given, and a general model for calculating multimode coupling losses is presented. The calculations are compared with experiments of a butt coupled and of an expan... View full abstract»

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  • The reliable optical card-edge connector (ROC)

    Publication Year: 1993, Page(s):124 - 128
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (312 KB)

    Fiber optic networks have long been touted for their high bandwidth and excellent noise immunity. However, efforts to introduce photonic networks into avionic systems have been less than successful due to design, reliability, and maintainability problems. Many of these problems have been traced to particulate contamination and failure under severe environmental conditions. Since the F-22, RAH-66, ... View full abstract»

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