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    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+| P a g e

    1+

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    1-| P a g e

    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