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Proceedings of the IEEE

Issue 8 • Date Aug. 1987

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Displaying Results 1 - 22 of 22
  • [Front cover and table of contents]

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

    Publication Year: 1987, Page(s):979 - 981
    Cited by:  Papers (1)
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  • Chaos: A tutorial for engineers

    Publication Year: 1987, Page(s):982 - 1008
    Cited by:  Papers (141)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2153 KB)

    This tutorial presents an in-depth introduction to chaos in dynamical systems, and presents several practical techniques for recognizing and classifying chaotic behavior. These techniques include the poincaré map, Lyapunov exponents, capacity, information dimension, correlation dimension, Lyapunov dimension, and the reconstruction of attractors from a single time series. View full abstract»

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  • Electrical circuits with chaotic behavior

    Publication Year: 1987, Page(s):1009 - 1021
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1015 KB)

    Several circuits that exhibit chaotic behavior are discussed. Evidence for such a behavior is given by laboratory experiments, by computer simulations, and, where available, by rigorous mathematical reasoning. View full abstract»

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  • Chua's circuit family

    Publication Year: 1987, Page(s):1022 - 1032
    Cited by:  Papers (25)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (717 KB)

    Chaos has been widely reported and studied using Chua's circuit. This tutorial paper presents a generalization of this well-known chaotic circuit into a hugh 6-parameter family of potentially chaotic circuits, henceforth referred to a Chua's Circuit Family. The highlight of this tutorial consists of a collection of three-dimensional phase portraits associated with two representative members of thi... View full abstract»

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  • Chaos in electronic circuits

    Publication Year: 1987, Page(s):1033 - 1057
    Cited by:  Papers (29)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3087 KB)

    This paper describes three extremely simple electronic circuits in which chaotic phenomena have been observed. The simplicity of the circuits allows one to i) build them easily, ii) confirm the observed phenomena by digital computer simulation, and in some cases iii) rigorously prove the circuit is indeed chaotic. A consequence of i) is that the interested reader can build, and then see and even l... View full abstract»

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  • Some tools for analyzing chaos

    Publication Year: 1987, Page(s):1058 - 1070
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1227 KB)

    Although computer simulation and physical experiment are probably the most widely used techniques for understanding complex dynamical behavior in nonlinear systems, these are seldom adequate for full understanding unless they are used in conjunction with analytical techniques. In this paper we describe two such techniques, the Melnikov and Shiinikov bifurcation theorems, both of which deal with ho... View full abstract»

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  • Nonlinear oscillators, iterated maps, symbolic dynamics, and knotted orbits

    Publication Year: 1987, Page(s):1071 - 1080
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (920 KB)

    We illustrate some recent developments in the theory of dynamical systems. Concentrating on periodically forced second-order ordinary differential equations, and using the Josephson (pendulum) and Duffing equations as examples, we show how the method of symbolic dynamics allows one to study complicated (chaotic) invariant sets in the Poincaré maps of such systems. Under certain conditions, th... View full abstract»

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  • INSITE—A software toolkit for the analysis of nonlinear dynamical systems

    Publication Year: 1987, Page(s):1081 - 1089
    Cited by:  Papers (10)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (831 KB)

    An integrated software toolkit for the analysis of nonlinear dynamical systems is introduced. This user-friendly, graphically oriented collection of interactive programs includes software that calculates and displays trajectories, bifurcation diagrams, and two-dimensional phase portraits. Also included are programs that locate periodic solutions, calculate and display invariant manifolds of two-di... View full abstract»

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  • Chaos from switched-capacitor circuits: Discrete maps

    Publication Year: 1987, Page(s):1090 - 1106
    Cited by:  Papers (28)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2545 KB)

    A special-purpose analog computer made of switched-capacitor circuits is presented for analyzing chaos and bifurcation phenomena in nonlinear discrete dynamical systems modeled by discrete maps xn + 1= f(xn) Experimental results are given for four switched-capacitor circuits described by well-known discrete maps; namely, the logistic map, the piecewise-linear unimodal (one-hu... View full abstract»

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  • Panoramic views of strange attractors

    Publication Year: 1987, Page(s):1107 - 1120
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4819 KB)

    An electronic instrument for displaying any perspective of a three-dimensional surface S generated by three time-varying (not necessarily periodic) signals is described. The surface S is a three-dimensional Lissajous figure which need not be a closed curve as is typical of all strange attractors. This analog (not digital) instrument is designed to rotate S along any axis (not just the X-, Y-, Z-ax... View full abstract»

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  • Comments on synchronized oscillators

    Publication Year: 1987, Page(s):1121 - 1123
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  • A rate-transparent, self-clocking line code

    Publication Year: 1987, Page(s):1123 - 1125
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (481 KB)

    A reliable and economical new transmission code is presented with the following properties: zero dc content, baseband bandwidth conservation, self-clocking capability, and data-rate-transparent decoding and synchronization. Simple encoder/decoder and clock extractor circuits are given. The code is demonstrated in a wavelength-multiplexed fiber-optic communication system. View full abstract»

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  • On predicting a band-limited signal based on past sample values

    Publication Year: 1987, Page(s):1125 - 1127
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (289 KB)

    The prediction of samples of a band-limited real signal xa(t) from a finite number of past samples is considered. It is shown how a signal-independent linear predictor of finite order can be constructed based on Chebyshev polynomials, such that the prediction error tends to zero for sampling rate exceeding the Nyquist rate. View full abstract»

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  • A separable Hartley-like transform in two or more dimensions

    Publication Year: 1987, Page(s):1127 - 1129
    Cited by:  Papers (8)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (273 KB)

    This letter introduces a discrete, separable, real-to-real transform, called the cas-cas transform. Theorems for the two-dimensional (2-D) case are presented, and the cas-cas transform is compared to the Hartley transform as an alternative way to convolve 2-D arrays and compute 2-D power spectra. View full abstract»

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  • A general algorithm for identification of rapidly time-varying systems

    Publication Year: 1987, Page(s):1129 - 1130
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (191 KB)

    A general algorithm for identification of deterministic rapidly time-varying parameters is introduced. The new algorithm is based upon applying a linear combination of the equations determined by the ordinary least-squares method. With this algorithm there is no need to modify the covariance matrix or to use forgetting factors in order to accurately follow the time-varying parameters. View full abstract»

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  • Boundary constrained external network power system state estimation

    Publication Year: 1987, Page(s):1130 - 1132
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (282 KB)

    A method of External Network Power System State Estimation which uses equality constrained boundary node voltage magnitudes and phase angle differences to enforce multiple observable island internal network solutions is presented. It is described in the context of on-line energy control center security calculations and is currently being implemented in seven energy control centers. View full abstract»

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  • An implantable microwave antenna for interstitial hyperthermia

    Publication Year: 1987, Page(s):1132 - 1133
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (129 KB)

    This letter presents a new microwave antenna design with greatly enhanced heating at the tip for interstitial hyperthermia. Temperature distribution patterns surrounding the new balun-fed folded dipole antenna are measured in a saline phantom under transient and steady-state conditions. View full abstract»

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  • Robot hands and the mechanics of manipulation

    Publication Year: 1987, Page(s): 1134
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  • Engineering optics

    Publication Year: 1987, Page(s):1134 - 1135
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  • Book alert

    Publication Year: 1987, Page(s): 1135
    Cited by:  Papers (4)
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  • [Back cover]

    Publication Year: 1987, Page(s): c4
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Aims & Scope

The most highly-cited general interest journal in electrical engineering and computer science, the Proceedings is the best way to stay informed on an exemplary range of topics.

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Meet Our Editors

Editor-in-Chief
H. Joel Trussell
North Carolina State University