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IEEE Transactions on Applications and Industry

Issue 69 • Nov. 1963

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Displaying Results 1 - 16 of 16
  • [Front cover]

    Publication Year: 1963, Page(s): c1
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  • [Breaker page]

    Publication Year: 1963, Page(s): nil1
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  • [Breaker page]

    Publication Year: 1963
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  • The R-x, R2-x Planes; Some New Ideas for the Study of Nonlinear Systems

    Publication Year: 1963, Page(s):305 - 315
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1876 KB)

    Use of some new planes such as the R-x, R2-x (where R represents in the n-dimensional phase space, the radius vector from the origin to any point on the trajectory described by the system) is suggested for analysis of nonlinear systems of any kind. The stability conditions in these planes are given. For easy understanding of the method, the transformation from the phase plane to the R-x... View full abstract»

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  • The xn-x Plane for Analysis of Certain Second-Order Nonlinear Systems

    Publication Year: 1963, Page(s):315 - 317
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (611 KB)

    Analysis of certain second-order nonlinear systems, not easily amenable to the phase-plane methods, and described by either of the following differential equations xn-2+ f(x)x2n+g(x)xn+h(x)=0 +f(x)x-n+h(x)=0 n≫0 can be effected easily by drawing the entire portrait of trajectories on a new plane; that is, on one of the xnx planes. Simpl... View full abstract»

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  • Arcing-Fault Relays for Low-Voltage Systems

    Publication Year: 1963, Page(s):317 - 321
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4080 KB)

    On systems at 600 volts or less, even with modern, adequately rated protective devices, destructive and dangerous arcing faults may occur at low values of current. To prevent or reduce this damage, a new arcing-fault relay system has been developed to supplement phase overcurrent protective devices. Fast-acting arcing-fault relays sense arcing-fault current in conduit, busway, or switchboard enclo... View full abstract»

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  • A New Approach to the Spectrum Analysis of Nonstationary Signals

    Publication Year: 1963, Page(s):322 - 327
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1388 KB)

    A new approach is presented which allows proper spectral measurements of time-nonstationary signals. The power spectrum is defined on the basis of ensemble averages and therefore contains a time variation when the signals are nonstationary. It is shown that a spectrum analyzer can be designed which measures these time-varying spectra in a nearly optimum manner. Design equations are given and pract... View full abstract»

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  • Simultaneous Determination of System Parameters from Transient Response

    Publication Year: 1963, Page(s):327 - 331
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1102 KB)

    A modified least-magnitude method of steepest descent is presented which gives greatly improved convergence to the answer point where the input signal to the process is unit step function. The basis of the modification is a periodic reversal of the sign of the parameter-determining loops, coupled with independent step-wise adjustment of the computed value of each system parameter. Two parameters i... View full abstract»

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  • Solenoid Plunger Magnet with Nearly Constant Force

    Publication Year: 1963, Page(s):331 - 334
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (750 KB)

    This paper shows that a constant force magnet must have serrated poles. The analysis covers the new shaped gap, and a method of using test data for a magnet with flat poles. Computed values of the serrated gap are given in an illustrative example. View full abstract»

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  • Improved Procedures for Computing Rectangular Plate-Lifting Electromagnets

    Publication Year: 1963, Page(s):334 - 339
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1203 KB)

    A formula for the lifting power of the magnet is developed and a method for estimating the magnetic flux below the bottom is given. A method for locating the kernel of the field is given. These help in finding the lifting force. A shorter method for computing saturation curves is given. An analysis of saturation in corners is made. View full abstract»

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  • Voltage and Current Ripple in Rectifier Systems

    Publication Year: 1963, Page(s):339 - 344
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1003 KB)

    In a rectifier system with inductive load circuit the current fluctuations correspond to the time integral of the voltage absorbed by the inductance, while in a circuit with an L-C filter the current ripple is defined by the harmonic composition of the output voltage. Both calculations are rather complex; however, once computed, the results are generally valid. Therefore, this work has been done b... View full abstract»

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  • Design of Shell-Type D-C Motors for Minimum Weight

    Publication Year: 1963, Page(s):345 - 351
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1492 KB)

    The paper deals with the design of shell-type d-c motors. The chosen performance parameter is the torquesquared-to-inertia ratio, or power rate, which appears to be proportional to the mass of the motor. A design procedure without any trial-and-error is proposed, and for a given power rate an improvement of weight between 10 and 15 is achievable. This result shows the theoretical feasibility of de... View full abstract»

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  • Performance Limits for Feedback Control Systems

    Publication Year: 1963, Page(s):351 - 356
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1285 KB)

    The problem of obtaining an output from a given plant or transducer which is as close as possible to some desired output is considered. The best possible performance that can be attained can be improved through the use of feedback only if the behavior of the transducer is not completely known. An uncertain transducer can be conveniently described by permitting its instantaneous impulse response to... View full abstract»

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  • Analytical Synthesis of a Class of Model-Reference Time-Varying Control Systems

    Publication Year: 1963, Page(s):356 - 362
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1161 KB)

    A theoretical investigation is presented for synthesizing nonlinear controllers for a class of model-reference control systems, each consisting of a timevarying-parameter plant and a fixed-parameter model, with the model one order lower than the plant. The plant and the model may have different forms, provided that their static gains are equal to unity. The controller, upon sensing the difference ... View full abstract»

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  • Application Limitations of Single-Pole Interrupters in Polyphase Industrial and Commercial Building Power Systems

    Publication Year: 1963, Page(s):363 - 368
    Cited by:  Papers (15)
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    First Page of the Article
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  • Applications and Industry Index for 1963

    Publication Year: 1963, Page(s):369 - 372
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    Freely Available from IEEE

Aims & Scope

This Transaction ceased production in 1964. The current retitled publication is IEEE Transactions on Industry Applications.

Full Aims & Scope