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IRE Transactions on Automatic Control

Issue 1 • Date May 1959

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Displaying Results 1 - 17 of 17
  • Table of contents

    Publication Year: 1959, Page(s):1 - 2
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  • Control concepts

    Publication Year: 1959, Page(s):1 - 2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1457 KB)

    NOT very long ago, the concept of automatic control was embodied in a simple diagram consisting of a block surrounded by a single line embellished with a summing point and direction arrows. Hundreds of papers have been written to explain the mysteries of stability and performance that pertain to this simple loop when actual physical equipment is substituted for the symbols representing it. View full abstract»

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  • Chairman's report

    Publication Year: 1959, Page(s):2 - 3
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  • The issue in brief

    Publication Year: 1959, Page(s): 4
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  • The American Automatic Control Council

    Publication Year: 1959, Page(s):5 - 7
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2780 KB)

    An international meeting of automatic control was held in Heidelberg, Germany, September 25–29, 1956, under the auspices of the joint control Committee of the German electrical and mechanical engineering societies. This committee is known as the VDI/VDE — Fachgruppe Regelungstechnik. Other international meetings on automatic control had been held previously. On July 16–21, 195... View full abstract»

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  • Comparison of lead network, tachometer, and damper stabilization for electric servos

    Publication Year: 1959, Page(s):7 - 14
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (7692 KB)

    Three types of compensation widely used to achieve stable operation in instrument servomechanisms are: the lead network, tachometer feedback, and the viscous-coupled-inertia damper. The paper compares these types of compensation in such matters as servo bandwidth, velocity constant, torque constant, transient response, tolerance to gear-train backlash, noise, and required amplifier gain. The purpo... View full abstract»

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  • The analysis of sampled-data control systems with a periodically time-varying sampling rate

    Publication Year: 1959, Page(s):15 - 21
    Cited by:  Papers (23)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6201 KB)

    The z-transform is used to solve sampled-data systems which have a periodically time-varying sampling rate, i.e., systems which have a repetitive sampling pattern in which the time duration between the individual samples is not constant. Such systems are described by linear difference equations with periodic coefficients; however, the difference equation which describes the system at sampling inst... View full abstract»

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  • Automatic control of three-dimensional vector quantities — Part 1

    Publication Year: 1959, Page(s):21 - 30
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (9881 KB)

    This is primarily a tutorial paper written to acquaint control engineers with mathematics pertaining to important subsystems in modern weapons and space control systems. It is intended to minimize basic design errors often made when attempting to visualize the processes involved, particularly those involving dynamics where time as well as three-dimensional space is involved. View full abstract»

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  • On the synthesis of feedback systems with open-loop constraints

    Publication Year: 1959, Page(s):31 - 37
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4894 KB)

    A method is presented for synthesizing a feedback system under the constraints that the open-loop transfer function must have specified Kv and contain real poles at prescribed locations. The method is based on examination of the inverse root-locus plot for the closed-loop poles and zeros. Algebraic equations are obtained for the open-loop pole and zero locations. Examples are given for ... View full abstract»

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  • Complex-curve fitting

    Publication Year: 1959, Page(s):37 - 43
    Cited by:  Papers (216)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4872 KB)

    The mathematical analysis of linear dynamic systems, based on experimental test results, often requires that the frequency response of the system be fitted by an algebraic expression. The form in which this expression is usually desired is that of a ratio of two frequency-dependent polynomials. In this paper, a method of evaluation of the polynomial coefficients is presented. It is based on the mi... View full abstract»

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  • Characteristics of the human operator in simple manual control systems

    Publication Year: 1959, Page(s):44 - 55
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (11996 KB)

    The characteristics of simple pursuit and compensatory manual control systems were measured with, a family of gaussian input signals having power-density spectra that covered a range of bandwidths, center frequencies, and some variety of shapes. The experimental results, presented in the form of graphs, show the nature of the dependence of human operator characteristics upon input-signal character... View full abstract»

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  • Transportation lag — An annotated bibliography

    Publication Year: 1959, Page(s):56 - 64
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (13975 KB)

    This bibliography is an attempt to survey the writings, in various fields of study, which deal with functions with retarded argument. This problem is characterized by a response to a stimulus which is identical to a normal response except that it is delayed in time. Some situations in which this transportation lag occurs include process control (distance-velocity lag), control of thermal systems (... View full abstract»

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  • Adaptive or self-optimizing control systems — A bibliography

    Publication Year: 1959, Page(s):65 - 68
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5513 KB)

    Adaptive, self-adjusting, or self-optimizing servos are designed for operation in a slowly-changing environment as opposed to servos intended for a fixed environment. Optimalizer controls and similar devices which hunt for and adjust to a pre-set optimum condition are considered as adaptive servos. The references which follow are a selective sampling of the latest material on this subject taken fr... View full abstract»

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  • Correspondence

    Publication Year: 1959, Page(s):69 - 70
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  • Contributors

    Publication Year: 1959, Page(s):70 - 71
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  • PGAC news

    Publication Year: 1959, Page(s):72 - 73
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  • Roster of PGAC members

    Publication Year: 1959, Page(s):74 - 77
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Aims & Scope

The theory, design and application of Control Systems. It shall encompass components, and the integration of these components, as are necessary for the construction of such systems. The latest title for this publication is IEEE Transactions on Automatic Control.

 

This Transactions ceased publication in 1958. The current retitled publication is IEEE Transactions on Automatic Control.

Full Aims & Scope