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IEEE Control Systems Magazine

Issue 5 • October 1987

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Displaying Results 1 - 25 of 29
  • [Front cover and table of contents]

    Publication Year: 1987, Page(s): 0
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  • Editorial

    Publication Year: 1987, Page(s): 1
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  • Instrumentation and control for a refining process in steelmaking

    Publication Year: 1987, Page(s):3 - 9
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (621 KB)

    Nippon Steel Corporation has developed a closed refining process in the basic oxygen furnace for commercial use featuring advanced instrumentation and control. The adaptive control system uses modern control theory, gain scheduling, and logic. The in-furnace instrumentation system uses an optical fiberscope and on-line image processing. These systems have made it possible to realize a practical cl... View full abstract»

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  • Doctoral dissertations

    Publication Year: 1987, Page(s): 9
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  • Heat control for electric resistance welding in steel pipe production

    Publication Year: 1987, Page(s):10 - 14
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (413 KB)

    A heat control system for electric resistance welding (ERW) for use in pipe manufacturing has been developed. The distinguishing features of the control system are: (1) use of a silicon photodiode array as a heat input sensor, (2) feedback control for steady welding, and (3) open-loop control for transient welding. This control system has been introduced into three ERW mills at Keihin Works, Nippo... View full abstract»

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  • High-bandwidth control of the head-positioning mechanism in a Winchester disk drive

    Publication Year: 1987, Page(s):15 - 19
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (486 KB)

    Modern disk drives use fast voice coil actuators for the positioning of magnetic heads onto desired tracks and for keeping them on track against various disturbances by closed-loop control. Problems stem from high-desired control bandwidth (∼ 1 kHz) requiring digital signal processing rates above 10 kHz and from complexity due to structural mechanics effects. View full abstract»

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  • Control system design benchmark problem

    Publication Year: 1987, Page(s): 19
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (115 KB)

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  • Two-axis Sawyer motor for motion systems

    Publication Year: 1987, Page(s):20 - 24
    Cited by:  Papers (37)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (528 KB)

    For a number of years, two-axis Sawyer motors have been used as motive devices for flatbed plotters and wafer probers. These two applications are quite different in their requirements for motor dynamics, but both depend on the motor's high speed and good open-loop positioning capability, as well as on its almost unlimited life expectancy. The motors are now being applied to a variety of other moti... View full abstract»

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  • Parallel processor configuration for automotive control

    Publication Year: 1987, Page(s):25 - 30
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (506 KB)

    In this paper, a method for design of a controller incorporating a parallel processor with a configuration enabling the distribution of calculation load is presented. This configuration employs microprocessors of two distinct types. The first is a general-purpose type used as the host processor to process the interrupts for input/output signals frequently generated in automotive controls. The seco... View full abstract»

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  • Digital control of a brushless DC motor

    Publication Year: 1987, Page(s):31 - 35
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (348 KB)

    The design of a high-performance capstan servo using a brushless DC motor is investigated. The implementation of the digital control uses classical control techniques with actual performance specifications used to design the controller. Details of hardware and software design are presented. View full abstract»

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  • Out of control

    Publication Year: 1987, Page(s): 35
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  • Introduction to the linear algebraic method for control system design

    Publication Year: 1987, Page(s):36 - 42
    Cited by:  Papers (23)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (705 KB)

    This tutorial article discusses some basic issues in the design of control systems. The concepts of well posedness and total stability are introduced to deal with noise and disturbance problems. The implementable transfer function is developed and is shown to solve completely pole-and-zero assignment and model matching problems. Two feedback configurations are introduced to realize the implementab... View full abstract»

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  • John Ward retires

    Publication Year: 1987, Page(s): 43
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  • Control in the metals industry

    Publication Year: 1987, Page(s):44 - 45
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (281 KB)

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  • IECON '87

    Publication Year: 1987, Page(s): 45
    Cited by:  Papers (1)
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  • IECON '88 call for papers

    Publication Year: 1987, Page(s): 45
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  • Presidents' messages

    Publication Year: 1987, Page(s):46 - 47
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  • Join control systems society now [advertisement]

    Publication Year: 1987, Page(s): 47
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  • Control systems working groups

    Publication Year: 1987, Page(s): 48
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (90 KB)

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  • Technical committee reports

    Publication Year: 1987, Page(s):49 - 50
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  • Member activities

    Publication Year: 1987, Page(s): 51
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  • News

    Publication Year: 1987, Page(s):52 - 53
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  • 1987 CDC

    Publication Year: 1987, Page(s): 53
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  • 1988 ACC

    Publication Year: 1987, Page(s): 56
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  • Changes in society bylaws

    Publication Year: 1987, Page(s): 56
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Aims & Scope

This Magazine ceased publication in 1990. The current retitled publication is IEEE Control Systems.

Full Aims & Scope