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1| P a g e
SHABBIRUDDIN
ASSISTANT PROFESSOR
ELECTRICAL & ELECTRONICS DEPARTMET
SIKKIM MANIPAL INSTITUTE OF TECHNOLOGY
CONTROL SYSTEM LABORATORY
EXPERIMENTAL MANUAL
CONTENTSExperiments performed in B.Tech (E&E) VIIth.
List of Extra Experiments designed for B.Tech (E&E)
S.N0 Title of the experiment Page
S.N0 Title of the experiment Page
number
FIRST CYCLE
1 To study the torue!speed characteristics" step response andto find the transfer function of the d.c. motor.
2
To study the performance characteristics of a d.c motor
angu#ar position contro# system.
7
! To study the time response of $ariety of simu#ated LTI
systems and to corre#ate the studies %ith theoretica# $a#ues.
21
" To study the performance characteristics of a #inear $aria#e
differentia# transformer.
30
# To study the performance characteristics of an angu#ar
position error detector using t%o potentiometers.
34
$ To study the performance of $arious types of contro##er used
to contro# the temperature of an o$en.
38
% To study the performance characteristics of a '.. motor
speed contro# system.
46
SEC&N' CYCLE
8 To study the experiment of the operating characteristics of a
sma## stepper motor and its digita# (*+ ased) contro##er.
+,
9 To study digita# contro# of a simu#ated system using an !it
microprocessor.
-*
10 To study the different components of /'/. 0
11 /pp#ication of /'/ for Liuid #e$e# contro# 2*
1
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number
1 To study the / position contro# through step and
continuous command
1*
2 To study the effects of different cascade compensation
net%or3s.
1*
3 To study the dynamic characteristics of a system %ith an
intentiona# non #inearity $i4. a simu#ated re#ay.
11
To study the configuration and e$a#uate the performance
characteristics of a feedac3 #ight intensity contro# system.
112
TITLE! DC MOTOR STUDY
/I5 67 T8E E9PE:I5E;T
Position ontro# eing a second order system" is represented as>
( )
n
n n
G sS s
=
+ +here" is ca##ed the damping ratio and n the undammed natura# freuency.
onsidering on#y the proportiona# feedac3" the c#ose #oop transfer function of the system
may e %ritten as>
( )
( )
M
M M
A M
A M
K KC s
s K KR ss
=+ +
@/" is the for%ard path amp#ifier gain" %hich #eads to the a#teration of the response of the
system.
@/
C(s)
s@'
H
:(s)
!!
(s)
2
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Tachogenerator 7eedac3 path>
onsidering the Tachogenerator feedac3 path the c#osed #oop transfer function may e
%ritten as>
( )( )
(1 )
M
M M
A M
A MA M
K K
C ss K KR s
s K K K
=+ + +
Thus the steady state error is gi$en y>
/nd the damping factor y>
1
(1 )
ss
M
A M
A M
A
eK K
K K K
K K
=
+=
E9PE:I5E;T/L 6:@
1*
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. Position ontro# through tep ommand
11
0 50 100 150 200 250 3000
0.5
1
1.5
2
2.5
3
3.5
4REFERENCE ANGLE VS REFERENCE VOLTAGE CHARACTERISTICS
REFERENCE ANGLE
REFERE
NCE
VOLTAGE
0 50 100 150 200 250 3000
0.5
1
1.5
2
2.5
3
3.5
4OUTPUT ANGLE VS OUTPUT VOLTAGE CHARACTERISTICS
OUTPUT ANGLE
OUTP
UTVOLTAGE
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etting @' ?*> and #et @/?>
1
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1,
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1D
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1+
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1-
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7rom the p#ot steady state error is>
s s !e " "=
? .+* ! .+
? ! *.*
7rom the graph" the $a#ues of tp(pea3 time) and (rise time) is>
10
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tp? ,., x *.+ x -.-2 ms
? 11.DD ms/nd
tr? .0 x *.+ x -.2- ms
? 2.D ms
5aximum o$ershoot is gi$en
tp? , x *.+ x -.-2 ms
? 1*.DD ms
/ndtr? .+ x *.+ x -.2- ms
? .0 ms
5aximum o$ershoot is gi$en
2
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TITLE! LINEAR 'ARIABLE DIFFERENTIAL TRANSFORMER
AIM OF THE EXPERIMENT!
To study the performance characteristics of a #inear
$aria#e differentia# transformer.
T8E6:=
Temperature noted after each interval of 15 sec for !"#$%steresis
=22.2,2.1,33.8,40.,4,53.5,59.3,62.4,61.2,59.5,60.9,59.8,60.,59.8,59
.9,60.,59.8,60.,59.8,60.8,59.8,60.8,59.8,60.,59.9,59.8,60.,59.9,60.
,59.9,60.
Temperature noted after each interval of 15 sec for !"#$%steresis
=26.3,29.3,35.4,42.2,49.6,56.2,62,6.9,1.8,1.2,68.,65.9,62.9,60.1,5
.4,54.9,52.,50.9,52.4,56.4,61.8,66.9,1.6,1.5,69.6,6.1
D1
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3. Proportiona# ontro##er
D
0 5 10 15 20 25 3025
30
35
40
45
50
55
60
65
TIME IN SEC (15x5/ div)
TEMPERATUREI
ND
EG.CENTIGRADE
RELAY CONTROLLER LO HYSTERESIS
0 5 10 15 20 2525
30
35
40
45
50
55
60
65
70
75
TIME IN MINUTES
TEM
PERATURE
IN
DEG.
CENTIGRADE
RELAY CONTROLLER HI-HYSTERESIS
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1 1( )
TK#
K T=
6r"
1 12-.-( )( )1.D 1+
K#
= = *.1*0
The max gain of the amp#ifier is * and the corresponding amp#ifier input signa# $o#tage
is *." so to gi$e the input $o#tage signa# for @p ? *.1*0" the potentiometer 3no position
shou#d e at>
*.1*01*.0
*.*1K# = =
%hich is +,.+J in the 3no position.
:eadings ;oted>
Temperature noted after each interval of 30 sec
=25,29,3.5,4.9,5,5.6,5.1,56.9,56.9,56.9,5,5,5,5,5,5,5.1,5.
1,5.1,5.1,5.1,5.1,5.1,5.1,5.1,5.1,5.1,5.1,5.1,5.1
D,
0 5 10 15 20 25 3025
30
35
40
45
50
55
60
TIME IN SEC (30x5/div)
TEMPERATURE
IN
DEG.CENTIGRADE
PROPORTIONAL CONTROLLER
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D. Proportiona#!Integra# ontro##er/>/
;u'/5!-*** IF6 ''E er$er is an app#ication for the 5icrosoft indo%s 2+ andindo%s ;T operating systems. It acts as a ''E ('ynamic 'ata Exchange) er$er and
a##o%s other indo%s app#ication programs access to data from ;u'/5 -*** series
IF6
5odu#e!1
IF6
5odu#e!
IF6
5odu#e!,
IF6
5odu#e!...
IF6
5odu#e!n
0,
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DDE C#;>/,@#;
1. The #ients opens a channe# to the ser$er app#ication y specifying:/
/6* '6*
/61 '61
/6 '6
/6, '6,
/6D '6D
/6+ '6+
0
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/6- '6-
/60 '60
1. #ic3 press on the %i4ard se#ection icon and choose the too#s u %ant to use. uppose
say meters is chosen. hoose the 3ind of meter to e used and drag it and drop upon the
%indo%" suppose say a pane# meter is chosen.
. Ci$e a tag name to the meter as in the digita# modu#e" Nust change the type as IF6 rea#.
add and modify access name as
/ccess name< /na5od
/pp#ication name< /na#ogI
,. hoose the suita#e ana#og item for use.D. 'ou#e c#ic3 on the meter and change the sca#e settings of the meter.
ANALOG INPUT ITEMS!
I/ ;@/ D/>:/
/I* 8*
/I1 81
/I 8
/I, 8,
/ID 8D
/I+ 8+/I- 8-
CONCLUSION!
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NAME OF THE EXPERIMENT this defines at each de$ice %hich %ires %i## esending and recei$ing each signa#. The standard recommended ut did not ma3e
mandatory the '!suminiature + pin connector. In genera# and according to the
standard" termina#s and computers ha$e ma#e connectors %ith 'TE pin functions" andmodems ha$e fema#e connectors %ith 'E pin functions. 6ther de$ices may ha$e any
comination of connector gender and pin definitions. 5any termina#s %ere manufactured
%ith fema#e termina#s ut %ere so#d %ith a ca#e %ith ma#e connectors at each end> the
termina# %ith its ca#e satisfied the recommendations in the standard.
Because the app#ication of :!, has extended far eyond the origina# purpose of
interconnecting a termina# %ith a modem" successor standards ha$e een de$e#oped toaddress the #imitations. Issues %ith the :!, standard inc#ude