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Electrical Engineering

Issue 12 • Date Dec. 1958

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Displaying Results 1 - 25 of 64
  • [Front cover]

    Publication Year: 1958 , Page(s): c1
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    Freely Available from IEEE
  • Contents

    Publication Year: 1958 , Page(s): c2
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    Freely Available from IEEE
  • Contents

    Publication Year: 1958 , Page(s): 1A
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  • [Advertisement]

    Publication Year: 1958 , Page(s): 2A
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    Freely Available from IEEE
  • Contents

    Publication Year: 1958 , Page(s): 3A
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    Freely Available from IEEE
  • Space vehicles, satellites, and missiles a symposium

    Publication Year: 1958 , Page(s): 1077 - 1078
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  • Introduction

    Publication Year: 1958 , Page(s): 1077 - 1078
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  • The motions of satellites

    Publication Year: 1958 , Page(s): 1078 - 1081
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    THE MOTIONS OF SATELLITES are well understood in that the basic fundamentals on which the motions are based go back before the invention of the telescope. Today, the scientists can describe the motions of the satellites with great accuracy. View full abstract»

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  • Space-flight guidance

    Publication Year: 1958 , Page(s): 1081 - 1082
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  • Dynamic stabilization in large rocket vehicles

    Publication Year: 1958 , Page(s): 1082 - 1084
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    SOME OF THE OTHER SPEAKERS will talk about the satellite vehicles and space vehicles. I would like to talk a little about the booster vehicles that get them started, the large, high-thrust rockets that boost them up where they're going. I would like to talk about how to stabilize these things—how to get them pointed where we want them—what some of the problems in stabilizing these things are, and how these problems are likely to change in the future. View full abstract»

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  • Attitude control — I

    Publication Year: 1958 , Page(s): 1084 - 1086
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    THE PROBLEM of attitude control exists to a certain extent with all kinds of vehicles, missiles, and projectiles. Attitude control is necessary or desirable for at least the following reasons: 1. To provide mental and physical comfort for passengers. 2. To provide proper environment and positioning to allow instrumentation to function. 3. To provide proper alignment for lift surfaces and thrust vectors. View full abstract»

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  • Attitude control — II

    Publication Year: 1958 , Page(s): 1086 - 1088
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    CONTROLLING THE ATTITUDE of a satellite vehicle should be a simple job. The body behaves as if it were suspended on a frictionless pivot. Control torques can be small. There usually is no need for extreme precision in measurement. And adequate response times are ridiculously low by conventional servo standards. View full abstract»

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  • Attitude control — III

    Publication Year: 1958 , Page(s): 1088 - 1090
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    THE AGE OF SATELLITES is here. With it has come some interesting attitude control problems. For many uses, it is desirable to have a satellite oriented in a unique attitude with respect to the earth. If such a unique stable attitude exists, the attitude-control problem is reduced to a damping problem. Two methods have been proposed to obtain a stable attitude. These methods use (1) the gradient in the earth's gravitational field, and (2) aerodynamic torques. Each method requires that the vehicle have certain properties. In gravity gradient stabilization, it is necessary that the vehicle have a single axis about which the moment of inertia is a minimum. In the stabilized position, this axis becomes aligned to the vertical.1–4 In aerodynamic stabilization, it is necessary that the center of pressure lie behind the center of mass in the direction of the vehicle's velocity. View full abstract»

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  • System design

    Publication Year: 1958 , Page(s): 1091 - 1092
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    A GREAT DEAL OF ATTENTION is being paid to the celestial mechanics of space flight and the synthesis of systems to control space vehicles, satellites, and missiles. However, no less important is the problem of the practical design and construction of the vehicles and control hardware which will be required to realize our current potentialities in meeting the challenge of space travel. The scope of the discussion to follow will be restricted by omitting consideration of specific instruments, such as inertial components, platforms, etc., and concentrate on the over-all problem of electrical and mechanical design of parts, components, and systems. Consideration will be given to the physical design of control systems as well as power systems required to provide motivating energy. The attributes of reliability and accuracy will also be treated insofar as they affect the aforementioned topics. View full abstract»

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  • Discussion transcript

    Publication Year: 1958 , Page(s): 1092 - 1095
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  • Steam station auxiliary transfer arrangements

    Publication Year: 1958 , Page(s): 1096
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    THE PURPOSE of this article is to suggest methods of transfer, utilizing a metal-clad breaker with a 5-cycle closing time, which practically eliminate transfer problems. View full abstract»

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  • The institute and electrical insulation

    Publication Year: 1958 , Page(s): 1097 - 1099
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    Since 1884, Institute meetings have included paper presentations on the state of the art of insulation. President Hickernell gives quotations from some of these to emphasize the tremendous progress to date, and the continued increase in technical activity throughout the entire field. View full abstract»

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  • Role of AIEE in electrical insulation

    Publication Year: 1958 , Page(s): 1099 - 1101
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    A brief exposition of the activities and progress of the AIEE in the electrical insulation field. View full abstract»

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  • Artificial cooling of livestock in hot climates

    Publication Year: 1958 , Page(s): 1102
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    ADULT LIVESTOCK are considered to be depressed by ambient temperatures above 75 F—the range of optimum temperatures for laying hens is 55 to 65 F, for dairy cows 50 to 60, and for swine 65 to 75. View full abstract»

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  • Power for mysore

    Publication Year: 1958 , Page(s): 1103 - 1105
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    The Sharavathi Valley Project has been established to meet the ever-increasing power requirements of the State of Mysore in southwestern India. The project's dam, water conductor system, and surface station, as well as its transmission line, receiving station, and electric equipment, are described. View full abstract»

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  • Noise control of domestic appliances

    Publication Year: 1958 , Page(s): 1106 - 1108
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    Numerous factors must be considered in designing for noise control of domestic appliances. For example, the environment and use are often as important as the actual magnitude and frequency of the noise. Although measurement of sound is relatively simple, effective interpretation of its meaning generally requires a well-trained expert. View full abstract»

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  • A torsional vibrations problem

    Publication Year: 1958 , Page(s): 1109
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    TORSIONAL vibration studies of simple mechanical systems are usually handled by methods which, while not difficult, often require the expenditure of considerable time when done by hand. The use of a digital computer shortens the time considerably. One method frequently used is the Holzer table calculations resulting in the determination of the natural frequencies of the system. Another method is a matrix solution of the differential equations of the system. View full abstract»

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  • Evaluation of wiring systems for the pulp and paper industry

    Publication Year: 1958 , Page(s): 1110 - 1113
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    Three types of wiring systems in common use in the pulp and paper industry are evaluated and compared in terms of such important criteria as reliability, safety, installed cost, adaptability, weight, and installation time. View full abstract»

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  • Supervisory control on the bonneville system

    Publication Year: 1958 , Page(s): 1114
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    THE BONNEVILLE Power Administration (BPA) transmission network serves the load areas of Washington, Oregon, northern Idaho, and Montana. It consists of approximately 7,600 miles of transmission lines and 190 substations. In the past 4 years, the number of stations operated by supervisory control has increased from 4 to 23. The majority of the supervisory control equipment in service is operating over power line carrier channels of various types. A few installations operate over leased line and cable, and some equipment has been installed and tested for operation over microwave. View full abstract»

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  • The upper raquette river power project

    Publication Year: 1958 , Page(s): 1115
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    THE UPPER RAQUETTE RIVER power project is the final phase of a program begun many years ago by the Niagara Mohawk Power Corporation to harness completely the Raquette River of northern New York State for power production purposes. View full abstract»

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Aims & Scope

This Periodical ceased publication in 1963. The current retitled publication is IEEE Spectrum.

Full Aims & Scope