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Electric Motors and Drives
book

Electric Motors and Drives

by Austin Hughes
October 2013
Beginner to intermediate content levelBeginner to intermediate
316 pages
13h 14m
English
Newnes
Content preview from Electric Motors and Drives
D.C. Motor Drives 137
look briefly at how this is achieved. Later (in Chapter 8) we
will see that the stepping motor provides a simpler open-
loop alternative method of position control.
In the example shown in Figure 4.13, the angular position
of the output shaft is intended to follow the reference volt-
age (0
re
f)> but it should be clear that if the motor drives a
toothed belt linear outputs can also be obtained. The
potentiometer mounted on the output shaft provides a feed-
back voltage proportional to the actual position of the out-
put shaft. The voltage from this potentiometer must be a
linear function of angle, and must not vary with tem ...
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Publisher Resources

ISBN: 9781483105277