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Systems, Man and Cybernetics, IEEE Transactions on

Issue 7 • Date July 1976

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Displaying Results 1 - 15 of 15
  • [Table of contents]

    Publication Year: 1976 , Page(s): c1
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  • IEEE Systems, Man, and Cybernetics Society

    Publication Year: 1976 , Page(s): c2
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  • Investigations into the World3 Model: The Capital and Resource Subsystem

    Publication Year: 1976 , Page(s): 455 - 466
    Cited by:  Papers (4)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (2602 KB)  

    In the activities of the Dutch Global Dynamics project group, much attention has been paid to studies of the world models of Forrester and Meadows. The first part of the results of a thorough analysis of the ultimate version of the World3 model is discussed. It is argued that the capital and resource sector plays a leading part in the model and that the behavior of growth, followed by decline, is embedded in only a few of the assumptions included in this sector of the model. Subsequently, a more profound and mathematical analysis is discussed, with a view to understanding the sector's behavior in greater detail and illustrating the usefulness of a number of methods well known in system theory, which may be applied more generally if insight into a model's behavior is required. The paper is the first in a series in which the analysis of other sectors of World3 and the interplay between the sectors will be discussed. View full abstract»

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  • Human Perception of the Statistical Properties of Discrete Time Series: Effects of Interpolation Methods

    Publication Year: 1976 , Page(s): 466 - 473
    Cited by:  Papers (4)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (2617 KB)  

    The human's ability to estimate the mean and standard deviation of discrete time series is discussed. The effect of polynomial interpolation formulas on these two statistics is considered both mathematically and experimentally. Derivations show that the piece-wise continuous functions resulting from polynomial interpolation have unbiased expected values and biased variances. Results of two experiments are presented that support the idea that humans base their perceptions on the piece-wise continuous result of interpolation and thereby transmit the statistical bias. The practical implications of these results are discussed. View full abstract»

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  • Sequential GMDH Algorithm and Its Application to River Flow Prediction

    Publication Year: 1976 , Page(s): 473 - 479
    Cited by:  Papers (14)  |  Patents (1)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (1290 KB)  

    A heuristic self-organization method for constructing a nonlinear river flow prediction model from the available data such as river flow and areal mean precipitation is presented. Our algorithm, the improved version of the GMDH proposed by A. G. Ivakhnenko, is useful for the prediction of complex nonlinear systems with a large number of variables and with a small amount of available input-output data. The efficiency and usefulness of the proposed sequential prediction algorithm are shown by the use of a simulation model. This algorithm is applied to the flow prediction of the Karasu River in Japan. Numerical comparisons are performed between the prediction model by "sequential GMDH" and by the elaborate hydrologic methods, and we show that there are improvements in the newly introduced prediction algorithm for real-time computation. View full abstract»

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  • Heuristic Estimation/Detection of Repetitive Signals

    Publication Year: 1976 , Page(s): 480 - 485
    Cited by:  Papers (1)  |  Patents (1)
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    A heuristic technique is presented for detecting the presence of an unknown signal in noise and estimating its waveshape. The heuristic utilizes the most recent estimate of the waveshape as a template against which new observations are matched. If the match is "good," the observation is used to update the estimate, and the procedure is repeated. If the match is "poor," the observation is discarded. It is the decisions of the detector which direct the evolution of the estimate while simultaneously the current estimate directs the detector's performance. The mutual interactions of the estimator/detector are conducted without external supervision and without the benefit of training samples, and thus the system falls into the category of a self-learning decision directed adaptive system. View full abstract»

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  • An Application of the Projection Transform Technique in Image Transmission

    Publication Year: 1976 , Page(s): 486 - 493
    Cited by:  Papers (1)
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    Projection transform technique is applied to digital image transmission. Transform samples on various central sections of a Fourier space are attained with a fast Fourier transform algorithm. Quantization, coding, and transmission follow in order. The complete Fourier space information is then, upon reception of signals, estimated from the transform samples at these various central sections. The reconstructed picture is produced by the two-dimensional inverse Fourier transform. View full abstract»

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  • The Structures of Automata to Adapt to an Unknown Environment

    Publication Year: 1976 , Page(s): 494 - 504
    Cited by:  Papers (2)
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    A general fixed structure automaton acting in stationary random multireaction environment is described. Some necessary conditions are shown for automata to be purposeful or adaptive in an unknown environment (to be more profitable than a no-purpose, or random, automaton). By the necessary conditions it is proved that there exists no perfectly adaptive automaton. A necessary condition for automata with minimum state space to be purposeful is obtained. This condition characterizes their structures explicitly, so that a little restriction gives a sufficient condition. Some general subclasses of automata are proposed, and necessary and sufficient conditions for such automata to be purposeful are investigated. Furthermore as properties of a purposeful automaton, the time required to adapt and the stability of adapting to the random environment are discussed. View full abstract»

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  • On Fitts' Law with Two-Handed Movement

    Publication Year: 1976 , Page(s): 504 - 505
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  • A Model-Based Analysis of a Display for Helicopter Landing Approach

    Publication Year: 1976 , Page(s): 505 - 511
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  • Elements of Power System Analysis, Third Edition

    Publication Year: 1976 , Page(s): 512
    Cited by:  Papers (2)
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  • Systeme Mit Verteilten Parametern (Distributed Parameter Systems)

    Publication Year: 1976 , Page(s): 512 - 513
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  • Contributors

    Publication Year: 1976 , Page(s): 513 - 514
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  • IEEE Systems, Man, and Cybernetics Society

    Publication Year: 1976 , Page(s): 514-a
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  • Information for authors

    Publication Year: 1976 , Page(s): 514b
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