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Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
book

Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition

by John G. Webster, Halit Eren
February 2014
Intermediate to advanced content levelIntermediate to advanced
1921 pages
82h 13m
English
CRC Press
Content preview from Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
9-6 Sensors and Sensor Technology
on–o control circuit in the literature (as shown in Figure 9.3) [17]. e on–o controller is the
simplest form, where if the microhotplate is cooler than a set-point temperature, the heater is
tu
rned
on at ma
ximum
po
wer,
an
d
on
ce
it is ho
tter
th
an
th
e
se
t-point
te
mperature,
th
e
he
ater
is sw
itched
o co
mpletely
. Ho
wever,
ba
ng–bang
co
ntrol
ca
n
gi
ve
ri
se
to in
stability
(u
nless
co
n-
trolled
ca
refully),
wh
ich
in tu
rn
co
uld
da
mage
th
e
he
ater
du
e
to ve
ry
ra
pid
ch
anges
in vo
ltage
(h
ence
te
mperature)
.
Ba
rrettino
et al. [8
,18]
pr
oposed
a sim
ple
pr
oportional
te
mperature
co
ntroller
ci
rcuit
as sh
own
in Figure 9.4. e ...
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Publisher Resources

ISBN: 9781439848913