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`ELECTROMECHANICAL CONTROL
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`SYSTEMS AND DEVICES
`
`Eugene B. Canfield
`Stafl Engineer
`General Electric Co.
`Pittsfield, Massachusetts
`
`<9<>
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`ROBERT E. KRIEGER PUBLISHING COMPANY
`
`HUNTINGTON, NEW YORK
`1977
`
`1
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`Micro Motion 1030
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`
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`1
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`Micro Motion 1030
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`
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`Reprinted by Arrangement
`
`Copyright © 1965 by
`JOHN WILEY 8: SONS, INC.
`
`Original Edition 1965
`Reon’nt 1977
`
`Printed and Published by
`ROBERT E. KRIEGER PUBLISHING CO., INC.
`645 NEW YORK AVENUE
`HUNTINGTON, NEW YORK 11743
`
`It has be
`All rights reserved. No reproduction in any form of this
`
`the practici
`book,
`in whole or in part {except for brief quotation in
`a successfu
`critical articles or reviews), may be made withoutwritten
`authorization from the pu blzsher.
`work in th
`
`
`those that
`Printed in the United States of America
`
`an operati
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`possibly te
`
`summarize
`
`
`Many CL
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`engineer 0
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`apply. M(
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`than to sy
`have studie
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`if they mu
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`limits are
`
`Library of Congress Cataloging in Publication Data
`_
`
`Canfield, Eugene B.
`Electromechanical control systems and devices.
`
`Reprint of the ed. published by Wiley, New York.
`-
`loops are
`
`Includes index.
`L
`engineer c
`
`1. Automatic control.
`2. Electromechanical
`produce tl
`devices.
`I. Title.
`I assun
`
`
`
`[T]213.C29 1977]
`‘ ISBN 0-88275-45 2-1
`
`629.8’04’3
`
`76-22772
`
`_
`
`knowledg‘
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`
`
`2
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`
`
`Tn
`KT
`
`Motor
`
`Torque
`
`armature I. constant r Inertia
`
`1
`
`i
`
`T
`
`Tj
`
`1
`
`tr - t -
`400 (1 + s ~ ) I
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`I
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`
`j Tn
`
`e2
`e3
`----;.....~
`
`(-) (-)
`FJ
`F2
`
`Amp
`
`Power
`output
`
`500
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`1
`(1+826)
`
`1
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`F3
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`constant
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`Kv
`
`Lead network Amp. Resistor
`83 (...L)3
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`1.8
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`7.7
`
`0.75 ~
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`(
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`y
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`Lead network Amp. Demodulator Rate gyro
`3 (...L)3
`s
`(1+sfsf
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`1.8
`
`3.92
`
`__1__
`(1+ s460)
`
`14.3 s
`(1 +s 2bS
`
`Fig. 2.4 Servo block diagram for illustration of torque response.
`
`'-----
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`/
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`::1---
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`-----+- - - - t - - - - - - - - - - -+
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`3
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