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IEEE Transactions on Industrial Electronics and Control Instrumentation

Issue 2 • Date April 1970

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Displaying Results 1 - 25 of 29
  • Table of contents

    Publication Year: 1970, Page(s): c1
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    Freely Available from IEEE
  • IEEE Industrial Electronics and Control Instrumentation Group

    Publication Year: 1970, Page(s): c2
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    Freely Available from IEEE
  • Introduction

    Publication Year: 1970, Page(s):37 - 38
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    Freely Available from IEEE
  • Signal Transduction with Differential Pulse Width Modulation

    Publication Year: 1970, Page(s):39 - 43
    Cited by:  Papers (4)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1054 KB)

    The Differential Pulse Width Modulation System presented here is a signal transduction scheme applicable to a wide range of data acquisition processes for either large systems such as industrial process control, aircraft flight testing, computerized medical information centers, etc. or individual users seeking low cost, compact measuring instruments. In this scheme, a variable capacitance or equiv... View full abstract»

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  • Air Damped Capacitance Accelerometers and Velocimeters

    Publication Year: 1970, Page(s):44 - 48
    Cited by:  Papers (2)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1900 KB)

    This is a companion paper serving as an extension of an earlier presentation entitled ``Signal Transduction With Differential Pulse Width Modulation''1. In that paper, a scheme was introduced to streamline the data acquisition system bridging a variety of physical parameters to be measured with several forms of signal processing. The essential part of that scheme involves the generation... View full abstract»

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  • Error Analysis of Unipole Transducers

    Publication Year: 1970, Page(s):49 - 59
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1581 KB)

    When telemetering scientific data it is frequently desirable to improve the quality of the received data. This can be accomplished by improving either the transducer or the communication link or both. In practice, one would improve that unit for which the payoff is the greatest. Therefore, a study of the information content of the signal process which is lost to the transducer was conducted. This ... View full abstract»

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  • Combustion Chamber Investigations by Means of Microwave Resonances

    Publication Year: 1970, Page(s):60 - 66
    Cited by:  Papers (10)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4054 KB)

    This paper describes a new concept in combustion chamber diagnostic systems. The sensor used by this concept is unique because it can be conveniently used to probe activity occurring within the combustion chamber of internal combustion engines, during high speed operation and at maximum loading. Sensing takes place through a spark plug port without interfering with normal ignition process and with... View full abstract»

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  • Shape Meter For Tandem Cold Mill

    Publication Year: 1970, Page(s):67 - 70
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (711 KB)

    A new shape meter principle is described, which indicates the quality of flatness of cold rolled strip in the course of rolling. This meter measures elongation e of instantaneous waveform of the strip on the line. Value e of a wavy edge was measured during rolling, at the outlet of the last stand of a five stand tandem cold mill, with the shape meter. Elongation ezof wavy edge under fre... View full abstract»

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  • New Optical Torque Transducer and Dynamometer

    Publication Year: 1970, Page(s):71 - 77
    Cited by:  Papers (3)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1011 KB)

    Most torque measuring transducers develop an electrical output signal proportional to the twisting of an accurately machined and calibrated seciton of shaft known as a torque bar, Fig. 1. View full abstract»

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  • New Low-Voltage Electrostatic clutches Employing a Special Class of Dielectric Materials

    Publication Year: 1970, Page(s):78 - 98
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4979 KB)

    The operation of several electrostatic devices depends upon the electrostatic forces which tend to hold together a metal member and a closely adjacent semiconducting member when a voltage is applied between them. In this paper it is shown that if the semiconducting member is replaced by a dielectric member and particularly by a piezoelectric member, electrostatic forces may be generated at low app... View full abstract»

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  • Radiation Effects on Piezoresistive Accelerometers

    Publication Year: 1970, Page(s):99 - 104
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1978 KB)

    This paper describes the results of combined neutron and gamma ray irradiation tests conducted on two makes of piezoresistive accelerometers. Units were irradiated to total neutron doses of 7 X 1013, 5 X 1014, and 5 X 1015neutrons̷cm2. One make, Bytrex, Inc. Model AV 1000, operated satisfactorily at all doses. View full abstract»

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  • Piezoelectric Skin-Friction-Force Transducer

    Publication Year: 1970, Page(s):105 - 111
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2143 KB)

    A two component piezoelectric skin-friction force transducer has been developed for a hypersonic flow tunnel which has a run time of approximately 70 milliseconds. Skin-friction forces acting on a sensing diaphragm are transferred to a transducer element which is constructed of lead zirconate titanate composition ceramic beams. The transducer converts a force into two charge signals which correspo... View full abstract»

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  • Transducer Development for a Lightweight Operator's Head Telephone Set

    Publication Year: 1970, Page(s):112 - 119
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4510 KB)

    A new lightweight operator's head telephone set is briefly described. The headset which weighs about 1/2 ounce is entirely supported by a custom-fitted molded plastic ear piece worn by the user. Contained in the headset are two small, electroacoustic transducers -- one for receiving and one for transmitting. The receiver delivers an acoustic signal into the user's ear canal through an ear insert. ... View full abstract»

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  • Neutron, Temperature and Gamma Sensors for Pressurized Water Reactors

    Publication Year: 1970, Page(s):120 - 129
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1433 KB)

    Commercial pressurized water reactors designed by Westinghouse NES employ neutron and temperature sensors extensively for neutron flux and temperature measurements in the reactor cores. These are for use in monitoring, control and protection of the reactor with some being located actually within the core and others external to the reactor vessel. View full abstract»

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  • Temperature Measurement with the Hall Variable Capacitance Temperature Transducer

    Publication Year: 1970, Page(s):130 - 133
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2161 KB)

    A new variable capacitance temperature transducer can be used to measure temperatures within a few millidegrees in predetermined ranges from 0° to 1200° or 1300°K. Originally developed to measure temperatures of cryogens to accuracies not possible with existing devices, it operates on the principle of large changes in pressure-volume relationship of gases and gas mixtures as a funct... View full abstract»

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  • The Use of a Damping Chamber and Sine Wave Oscillator for Optimal Frequency Response in Pressure Recording

    Publication Year: 1970, Page(s):134 - 137
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (462 KB)

    Pressure recording is frequently performed with catheter-manometer systems having high frequency response but inadequate damping. Resonance amplification of catheter movement artefact is often a problem with underdamped systems. The amount of amplitude amplification at the resonant frequency of a water-filled catheter and transducer is a function of the damping of the system. View full abstract»

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  • Pressure Transducers for Prosthetics

    Publication Year: 1970, Page(s):138 - 143
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4020 KB)

    Two types of thin pressure transducers have been designed and fabricated for prosthetic application. Using a transducer less than 0.015 inch thick, it is felt that the pressure distribution between the stump of a leg amputee and the socket of the prosthesis will not be altered significantly. View full abstract»

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  • Transducers for Bioimplantable Telemetry Systems

    Publication Year: 1970, Page(s):144 - 150
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3610 KB)

    A major unfilfilled health-care need is a means of obtaining specific data from within the body on a long-term basis. Preventable deaths and avoidable medical catastrophies frequently occur due to lack of obtainable physiological data. Suitable implantable data-collecting and transmitting systems appear to be within the technological state of the art. An urgent need exists for national standardiza... View full abstract»

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  • Polymers for Biomedical Electronic Devices

    Publication Year: 1970, Page(s):151 - 155
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (804 KB)

    Definitive criteria for the selection of polymers to be used with implanted biomedical electronic devices are not generally available. Critical aspects, such as corrosion, fatigue, instability, irritability to tissues, and thrombogenicity of component materials, force the designer to draw primarily upon empirical in vivo experience. Nevertheless, the judicious selection of polymers, with regard to... View full abstract»

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  • Cardiovascular Sensors in the Clinical Environment

    Publication Year: 1970, Page(s):156 - 166
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3263 KB)

    Biological sensors intended for clinical use can have requirements which are quite different from those normally associated with biological research. In fact the requirements can be surprisingly severe when involved with the diagnosis and/or treatment of the seriously ill. Such requirements, if not realized and fully understood at the beginning of development, can greatly increase the time and cos... View full abstract»

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  • Biomedical Ultrasonics

    Publication Year: 1970, Page(s):167 - 172
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1046 KB)

    Ultrasound has been widely investigated as a form of radiant energy for bio-medical applications. Both diagnostic and therapeutic techniques have been proposed and studied. Perhaps the greatest effort has been directed toward the development of techniques for imaging internal tissue structures for medical diagnostic purposes. All such techniques are dependent upon both transmitting and receiving t... View full abstract»

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  • A Logarithmic Detector using a Photovoltaic Diode

    Publication Year: 1970, Page(s):173 - 176
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (588 KB)

    The use of photovoltaic diodes as logarithmic detectors has been investigated. An analysis of the response of the diode shows that the dynamic range of the device decreases with increased loading. Experimental measurements on diffused GaAs diodes, which have threshold sensitivities in the 1-10 nW/cm2range, confirmed this analysis. View full abstract»

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  • Frequency Control of Metering Pumps

    Publication Year: 1970, Page(s):177 - 184
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4244 KB)

    When used as an integral part of a process system, a metering pump must be made responsive to a process variable. When the process variable is flow, measuring devices producing pulse outputs can be utilized to make a metering pump respond to the flow variation. A diaphragm or packed plunger metering pump is composed of a motor, a gearbox and a liquid displacement mechanism. Changes in the pump dis... View full abstract»

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  • Precision Sensor for the Magnetic Field Intensity at Microwave and Millimeter-Wave Frequencies

    Publication Year: 1970, Page(s):185 - 187
    Cited by:  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1458 KB)

    An analysis of inductive probes consisting of wire loops without and with compensation elements is presented. With a compensation spur, such a probe may serve as a sensor for the magnetic field intensity in electromagnetic fields. Probe structures, equivalent circuits, probe characteristics, and various models for measurements up to 35 GHz are shown. View full abstract»

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  • The Shading Coil Displacement Transducer

    Publication Year: 1970, Page(s):188 - 194
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1955 KB)

    The shading coil displacement transducer is unique among the family of variable inductance displacement transducers in that no motion of an iron core is necessary. The moving element is a small, one-turn winding which functions as a shading coil. This means that this device is characterized by an extremely light armature. View full abstract»

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Aims & Scope

This Transactions ceased production in 1981. The current retitled publication is IEEE Transactions on Industrial Electronics.

Full Aims & Scope