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Proceedings of the IEEE

Issue 3 • March 1987

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Displaying Results 1 - 18 of 18
  • [Front cover and table of contents]

    Publication Year: 1987, Page(s): c1
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  • Scanning the issue

    Publication Year: 1987, Page(s):275 - 276
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  • Manned spacecraft electrical power systems

    Publication Year: 1987, Page(s):277 - 307
    Cited by:  Papers (11)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4168 KB)

    A brief history of the development of electrical power systems from the earliest manned space flights illustrates a natural trend toward growth of electrical power requirements and operational lifetimes with each succeeding space program. A review of the design philosophy and development experience associated with the Space Shuttle Orbiter electrical power system is presented, beginning with the s... View full abstract»

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  • The new AP101S general-purpose computer (GPC) for the space shuttle

    Publication Year: 1987, Page(s):308 - 319
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (885 KB)

    This paper describes the development of the new AP101S General-Purpose Computer (GPC) for the Space Shuttle Orbiter. The GPC is the primary data processing computer on-board the Shuttle. It controls and monitors spacecraft functions. In recent years, the requirements for expanding the Shuttle's capabilities have surpassed the capabilities of the current GPC, the AP101B. This upgrade necessity and ... View full abstract»

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  • Space station data management system architecture

    Publication Year: 1987, Page(s):320 - 328
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (836 KB)

    Within the Space Station program, the Data Management System (DMS) functions in a dual role. First, it provides the hardware resources and software services which support the data processing, data communications, and data storage functions of the on-board subsystems and payloads. Second, it functions as an integrating entity which provides a common operating environment and human-machine interface... View full abstract»

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  • Space station data management system: A common GSE test interface for systems testing and verification

    Publication Year: 1987, Page(s):329 - 335
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (681 KB)

    This paper examines the fundamental problems and goals associated with test, verification, and flight-certification of man-rated distributed data systems. First, a summary of the characteristics of modern computer systems that affect the testing process is provided. Then, verification requirements are expressed in terms of an overall test philosophy for distributed computer systems. This test phil... View full abstract»

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  • Shuttle orbit flight control design lessons: Direction for space station

    Publication Year: 1987, Page(s):336 - 355
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2151 KB)

    The Space Shuttle orbit flight control system, which operates during all exo-atmospheric flight phases, has successfully met operational requirements. Many design integration and operational issues that required resolution during development and testing provide an experience base that will benefit the development of future space systems, particularly the Space Station. To this end, the applicable ... View full abstract»

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  • Space shuttle communications and tracking system

    Publication Year: 1987, Page(s):356 - 370
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1245 KB)

    This paper is intended to provide a comprehensive description of the Space Shuttle communications and tracking system design, development, and system operations. Areas of special innovative communications techniques implemented by the Space Shuttle such as source encoding, channel encoding, spread spectrum, and digital modulation are emphasized. In addition, the role of the Electronics Systems Tes... View full abstract»

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  • Space station communications and tracking system

    Publication Year: 1987, Page(s):371 - 382
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (945 KB)

    A comprehensive description of the existing Space Station communications and tracking system requirements, architecture, and design concepts is provided. Areas which will require innovative solutions to provide cost-effective flight systems are emphasized. Among these are the space-to-space links, the differential global positioning system for determining relative position with free-flying vehicle... View full abstract»

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  • Real-time simulation for space station

    Publication Year: 1987, Page(s):383 - 398
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3007 KB)

    Real-time, man-in-the-loop simulation has served an important function in the NASA manned-space-flight program by providing the means to evaluate systems design and integrated systems performance on the ground in a simulated flight environment. The Space Shuttle Program has relied heavily on simulation throughout all phases of development and into Space Shuttle operations. The simulation facilitie... View full abstract»

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  • The evolution of the mission control center

    Publication Year: 1987, Page(s):399 - 416
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1809 KB)

    A discussion of the function and history of the Space Shuttle Mission Control Center describes the communications and data processing facilities, with an emphasis on display system changes. The current display system will be replaced by new technology as part of a project called the Mission Control Center Upgrade. That upgrade will implement a set of high-performance Local Area Networks (LANs) whi... View full abstract»

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  • Manned spacecraft automation and robotics

    Publication Year: 1987, Page(s):417 - 426
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (940 KB)

    The Space Station holds promise of being a showcase user and driver of advanced automation and robotics technology. The author addresses the advances in automation and robotics from the Space Shuttle--with its high-reliability redundancy management and fault-tolerance design and its remote manipulator system--to the projected knowledge-based systems for monitoring, control, fault diagnosis, planni... View full abstract»

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  • An acoustooptic Wigner processor for time-varying signal analysis

    Publication Year: 1987, Page(s):427 - 428
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (237 KB)

    The Wigner distribution, or WD, produces a time-frequency signal representation from which the time- and/or frequency-domain properties of a signal can be extracted. To operate at very high data rates, an acoustooptic specialized Wigner distribution processor is proposed. View full abstract»

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  • On positive—Real discrete-time transfer functions

    Publication Year: 1987, Page(s):428 - 430
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (332 KB)

    An algebraic formulation of the positive-real (PR) condition of transfer functions is given. It provides a simple interpretation in terms of a polynomial inequality whose computational solution may be shown to be numerically stable. A class of transfer functions which do not verify the PR condition is given in terms of the roots of these polynomials. An example of interest in adaptive control theo... View full abstract»

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  • Correction to "The seismic method in the search for oil and gas: Current techniques and future developments"

    Publication Year: 1987, Page(s): 430
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  • Systems software: An introduction to systems programming

    Publication Year: 1987, Page(s): 431
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  • Book alert

    Publication Year: 1987, Page(s): 431
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  • [Back cover]

    Publication Year: 1987, Page(s): c4
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H. Joel Trussell
North Carolina State University