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IEEE Control Systems

Issue 4 • Date June 1991

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Displaying Results 1 - 9 of 9
  • An introduction to autonomous control systems

    Publication Year: 1991, Page(s):5 - 13
    Cited by:  Papers (22)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (968 KB)

    The functions, characteristics, and benefits of autonomous control are outlined. An overview of some relevant research literature in the field of intelligent and autonomous control is given together with references that outline research directions. An autonomous control functional architecture for future space vehicles that incorporates the concepts and characteristics described is presented. The ... View full abstract»

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  • Intelligent failure-tolerant control

    Publication Year: 1991, Page(s):14 - 23
    Cited by:  Papers (67)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (957 KB)

    An overview of failure-tolerant control is presented, focusing on the control of continuous-time dynamic systems (or plants) whose motions can be represented by integrals of nonlinear ordinary differential equations. Failure tolerance may be called upon to improve system reliability, maintainability, and survivability, and the issues attached to achieving these goals are examined. Robustness, whic... View full abstract»

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  • Cooperative gaze holding in binocular vision

    Publication Year: 1991, Page(s):24 - 33
    Cited by:  Papers (31)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (710 KB)

    Vision systems that hold their gaze on a visual target using binocular, maneuverable computer vision hardware are discussed. The benefits of gaze holding are identified, and the role of binocular cues and vergence in implementing a gaze-holding system is addressed. A combination of Smith prediction and optimal signal estimation that allows a system of several simulated interacting gaze-holding con... View full abstract»

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  • Expert systems for power system control in Western Europe

    Publication Year: 1991, Page(s):34 - 40
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (643 KB)

    Research and development activities of West European utilities, manufacturers, and research institutions in the domain of expert system applications for power system control are surveyed. The development of 12 expert system applications in different project states from prototype to practical use in an electric utility is studied. To get information on the present state of these projects, 13 resear... View full abstract»

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  • Fuzzy logic for control of roll and moment for a flexible wing aircraft

    Publication Year: 1991, Page(s):42 - 48
    Cited by:  Papers (54)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (630 KB)

    A fuzzy-logic based multi-input/multi-output roll controller designed for the Advanced Technology Wing (ATW) aircraft model is presented. The ATW integrates active controls with a flexible wing structure to provide optimal wing shapes to meet particular flight performance criteria. The use of a fuzzy controller for roll rate and load alleviation control was investigated. Fuzzy rules were developed... View full abstract»

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  • High-performance DSP architectures for intelligence and control applications

    Publication Year: 1991, Page(s):49 - 55
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (594 KB)

    An overview of digital signal processor (DSP) capabilities is given, and the architectural features that make them applicable to intelligent control are discussed. The impact of parallel features on numeric processing capabilities and efficient program execution is described. Input/output (I/O) and real-time features of DSPs are discussed, and examples of several control applications are given. Th... View full abstract»

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  • A computer animation of robotic manipulators and workcells

    Publication Year: 1991, Page(s):56 - 59
    Cited by:  Papers (2)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (368 KB)

    ROBOTSIM, a computer simulation of robotic manipulators which uses three-dimensional graphics and animation on an IBM PC, is described. The simulation package includes a library of robots and objects which can be placed in a workcell and viewed from any angle. It consists of five modules. The design module is a complete CAD system to create and modify robots, objects, and workcells. The workcell m... View full abstract»

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  • Interactive software for dynamic system modeling using linear graphic

    Publication Year: 1991, Page(s):60 - 66
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (573 KB)

    A description is given of Lgraph, which is an interactive, graphical software package for creating, modifying, and reducing linear graphs. Linear graphing, a structured method for formulating and representing lumped-element, linear dynamic system models containing connected single-port energy storage, dissipative, and source elements, and two-port transduction elements, is explained through the ex... View full abstract»

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  • Rocket stabilization as a structured singular value synthesis design example

    Publication Year: 1991, Page(s):67 - 73
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (517 KB)

    Stabilization of a rocket's rigid body and elastic dynamics is addressed. The method discussed is based on structured singular-value analysis and H-infinity optimization and is known as mu synthesis. Three different control designs are discussed: a mixed-sensitivity design, three-block mu synthesis design, and an alternate design for comparison. The mixed-sensitivity design inverts the rocket's fi... View full abstract»

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As the official means of communication for the IEEE Control Systems Society, the IEEE Control Systems Magazine publishes interesting, useful, and informative material on all aspects of control system technology for the benefit of control educators, practitioners, and researchers.

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Editor-in-Chief
Jonathan P. How
jhow@mit.edu