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אאאאFFEE
٢٥٤٢٥٤
א ٢٥٤ א
אאFE
،،אא،אW
אאאאאאאאאאאא،אאאאאא
אאאאאאאאאאא؛אא
אK אאאאאאא
א ،א אאאאאאאא،אא
א א ،א אא א א א א א א אא א א א
אא،אאאא،אאא?אא J
? ? ? א אאאאאאK
אאאאאאא،א،אאאא
אאאאאK
אאאא؛אK
אאאא
א ٢٥٤
אאFE
אאאאא،אאאאאAutomatic control
אאאK אאאאאא
אאאאאאKאאאאאאאאK
אאאאאאאאKאאא
אאאK ،אאא
אאKאאאאאאאאא
אאאאאאאאKאאאא
אK אאPlantאאאאאא
אאWאאאא؟אאאאאא؟א؟
אאאW
אאWאאאאאאאאאK
אאWאאאאאאאא،א،א،אאאKKKאK
אאWאאאאאאאאאאK אאאWאאאאאאאא
אאאאאK אאWאאאאאאא
אאאאאאאאK
א ٢٥٤
אאFE
אאWאאאאאאאאאRouth
אאK
אאאאW ١٧٦٩ אJames Watt’sאאאא
אfly ball governor ١٨٦٨ אJ.C.Maxwellאא ١٩١٣ Henry Fordא ١٩٢٧ H.W.Bodeאא ١٩٣٢ H.Nyquistאאאא ١٩٥٢ אאMassachusetts Institute of Technology
١٩٥٤ George Devol ١٩٦٠ א١٩٦١ ١٩٧٠ אא ١٩٩٤ אאאאאאאאK
א،אאאא
אאאאאאאאK
אאאאאא
אאאא
א
א
א
١
א ٢٥٤ אא אאFE אאא
- ١ -
אא Jאאא J
אאW אא
אאאאW ∗אאא ∗אאאאא ∗LאאאK ∗אאK
אאאWאאא١٠٠٪
אאW٤
אאW
١ J אאאאאK ٢ J אאאאK ٣ J K
אאW
א ٢٥٤ אא אאFE אאא
- ٢ -
אאWאאא ١ JW
אאאאאאאאאK
אאאאאאאאKא
אאאאK
F١ J١Eאאאh0אKאhאאאאאFloatאqi(t)
אאKאאאאאControl-valveאh0K
F١ J١WEאFE
برغي تعديل
א ٢٥٤ אא אאFE אאא
- ٣ -
F١ J٢EאאאK אאObjectאK
אאBrainאאאאאאHandאאאאאאאאEye
אאאאאאאאאאKאאאא
Kאאאא
F١ J٢EאאFE
F١ J٣Eא،
אאאאאאאאאאאאאKאאאFactoriesK
אאאאאאאאאProduction planאאאא
אאאאאKאאאאאא
אK
الهدف
א
א
א
א ٢٥٤ אא אאFE אאא
- ٤ -
F١ J٣WEFE
אאאאאEngineering systemsאאאא،
א،אאאאאאא،אאא،אאא
א،אאאאאאאKKKKאK אאאאBiological systemsא
אאאאאאאאאאאא
אא،אאאאאאאKKKאK
אאאLarge scale systemsאא،אאאאאאאאאאאא،אאאאא
אאKKKKאK אאאW
אאאאאא؟
אאאאאאאאאאאW
א
א
א
א ٢٥٤ אא אאFE אאא
- ٥ -
J אInformation flowFא J JKKKKאE
אKאאאאאאאאאF١ J١EאאאK
J אאאאW ♦אא
אFאא–א–אKKKאKE
♦אאאאאאאFא JאKKKאKE
١ J١אאW
אאאאאאאאאאאאאאאא
א،Kאאאאאאא
אאאאאK אאאאאRobot
אאKאאאאאאאא
אאאאאאKאאאאאאאאאאKאאאאאאא
אאאאKאאאא
אאאאK
א ٢٥٤ אא אאFE אאא
- ٦ -
١ J٢אאW אK
٢ JאאאAutomatic control systemsW
אאאאאאאאאאא
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אאאאאאאאאK
אאאאK
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אאאאאKאאאאאא،אאאא
אאאאאאFא JאKKKאEאאאאKF١ J٥Eאא
Kא
א ٢٥٤ אא אאFE אאא
- ٧ -
F١ J٥WEאא
אאאא
٢ J٢אאW
אאאאאאאאאאאאאאאאאא،
אאאNilesatArabsatאאK
א
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א
אאא
א
אאא
א
א
אאא
א ٢٥٤ אא אאFE אאא
- ٨ -
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F١ J٧WEאאא
٢ J٣W
F١ J٨EאF١ J٨Eאאאאאאאא
אאאאאאאאא
אK
א אא
א
אא
א
א ٢٥٤ אא אאFE אאא
- ٩ -
F١ J٨WE
F١ J٨WEאא
TR1Wאאא،TR2Wא٢ J٤W
F١ J٨EאF١ J٩Eאאאאאאא
אאאאאאאאאא
אאK
א א
א
א
א ٢٥٤ אא אאFE אאא
- ١٠ -
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אא
٢ J٥אאאW F١ J١٠EאאאאאKאא
ProgrammerאKאאאא
،אאK
א אא
אא א
א ٢٥٤ אא אאFE אאא
- ١١ -
F١ J١٠WE
٣ JאאאאאW
אאאאאאאא
FeedbackKF١ J١١EאאK
F١ J١١WEאאאא
אPlantFλEExternal disturbanceאאFrEReference signalFεEError signal
אאאאFyEControlled variableאאFrKE
א المنظم جهاز البرمجة
المقارن الخرج
r ε א א
א
א
א
µ
λ
א
אא
א
אy
א ٢٥٤ אא אאFE אאא
- ١٢ -
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אאBlock diagramאF١ J١١Eאאאאאא
אK ٣ J١אplantW
אאאאאאאאאאאאאאFyEControlled variable
F١ J١٢KE אExternal disturbanceFא
אStochasticEאאאKאא
אFµEControl actionאאFλEאא
אKF١ J١٢EאאאאK
F١ J١١WEאאאא
٣ J٢אאW
אאאאאSensorאאאאK
אא אא
א
א ٢٥٤ אא אאFE אאא
- ١٣ -
אאאאאאFאאאKKKKאEא
אTransducerאאאאK
٣ J٣אW אControl lawאאאא
אFεEError signalאFµEControl actionאאKאאא
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deviceK ٣ J٤אאW
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٣ J٥אאאאW אאאאאאאא
אאאFµEאאאK
٣ J٦אאW אאאאאאKא
אאאאאFεEError signalאא
אKאאאאאאאאא
אאאאאK
א ٢٥٤ אא אאFE אאא
- ١٤ -
٣ J٧אאאאW אאאאאאאא
אאאאאאאאKאאאאא
אאFεEError signalK ٣ J٨אאאאאW
אאאאאא،אאאאאאאK
٣ J٩אאאאServomechanismW אאא
אאאאKKKK
٣ J١٠אאObjective functionW ،אאא
אאאאאObjective function،אאאאK
אאאPlantKKKאK
אא،אComparatorאאF١ J١Eא،
אאאאאאFKEאאא
אאאאא،אאאאאאאאאאא
F١ J١EאאאאאאInput signalsאאאאא،
Output signalsאאאאאא
א ٢٥٤ אא אאFE אאא
- ١٥ -
אאאאF١ J١٠EאאאK
א
אא z=x-yz=x+r-y y=f(x,t) F١ J١E
אאאאF١ J١٣EאH,GאאG
א،אאHאאKאאאא،א
FEOpen-loop systemK
F١ J١٣WE
x + z
y - f(x,t) x y
G
H
r E Y
-
+
y -
z x + r
א ٢٥٤ אא אאFE אאא
- ١٦ -
אא •אאאאאאאאאא
،אאאאאאK
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אאאאאK •אאא
אאאFFeedbackKE •א،אאאאאא
אאאאFError signalEאאKא
אאאאאK •אאאאאW
Jא Jאא Jא Jאא Jאאאא Jאאאאא Jאאאא Jאא
א ٢٥٤ אא אאFE אאא
- ١٧ -
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١ J אאאא،אא،אא؟
٢ J א؟אאא ٣ J אא؟ ٤ J ؟אאאאאא ٥ J אא؟
٢W אאאאאW
١ JאאאאW،א
אאK
EFFE
٢ JאאאאאאאK
EFEF
٣ JאאאאאאK
EFFE
٤ Jאאאאאאאאאאא،א
אK
EFEF
٥ JאאאאאאK
EFEF
א ٢٥٤ אא אאFE אאא
- ١٨ -
٣W XאאW
١ J אאW J אאאK
J אאאאK J אK
٢ J אאאאאא
אW J אאא
אאK J אאאא
אK J אאא
אK
٣ J אאאאאאאW
J אאKKKKKK J א J KKKKK J א،אאKKKK
א ٢٥٤ אא אאFE אאא
- ١٩ -
W J١ J
١W ١ Jאאאא،אא،אאW
Gא GאאאWאא،אא
אK ٢ JאאאאW
GאאK GאK GאאאאאK
٣ Jאא אK
٤ JאאאאאאWא١١אK ٥ J،אאאאאא
אאאאאא אאאK
٢W
אאאאאW
١ JאאאאW،אאאK
EFFxE
٢ JאאאאאאאK
EFFxE
א ٢٥٤ אא אאFE אאא
- ٢٠ -
٣ JאאאאאאK
FxEEF
٤ Jאאאאאאאאאאא،א
אK
FxEEF
٥ JאאאאאאK
FxEEF
٣W XאאW
١ JאאW JאאאKFxE
JאאאאK JאK
٢ Jאאאאאאא
W Jאאא
אאK Jאאאא
אKFxE Jאאא
אK
א ٢٥٤ אא אאFE אאא
- ٢١ -
٣ JאאאאאאאW
JאאKKKKKK JאKKKKKFxE Jא،אאKKKK
אאאא
אאאא
א
א
٢
א ٢٥٤ אא אאFE אא
- ٢٢ -
אא אא
אאW אא
אאאאW ∗אK ∗אאא ∗א،אאאאא،،،א،אא
אK ∗אK ∗אאK
אאאWאאא١٠٠٪
אאW٦
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١ JאאאאK ٢ JK
אאW
א ٢٥٤ אא אאFE אא
- ٢٣ -
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אאא،אאW،אאאא،א،א،،אK
١ JאSensorW ١ J١W
אFKEאאאאK
F٢ J١WEאא
١ J٢אאActive sensorW
אאאאאאאF،א،KKKKאE،אאW
Gא Jthermoelectric sensorK G JPiezoelectric sensorK GElectromagnetic sensorK G JPhotoelectric sensorK G JPhotovoltaic sensorK
אא
א
KKK
0-20 mA3-15 psi
א ٢٥٤ אא אאFE אא
- ٢٤ -
١ J٣אאPassive sensorW אאimpedanceאאאאK
אאW G،אא،אאא،א
א،אK Gא،،אTenso-sensorK
אW
٢ JאאFא J J J Jא J J
WE ٢ J١אאW ٢ J١ J١אאW
אאW Jאאאא
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Fא،אאאelectric resistivityKEKKKKK ٢ J١ J٢אאW
אאאW
אא
אא
א ٢٥٤ אא אאFE אא
- ٢٥ -
GאאCelsius8CK אאא08Cאא1008C
K
GKelvin8KK T(8C)=T(8K)-273.15
W1(8C)=1(8K) GאRankin8RK GFahrenheit8FK
W1(8R)=1(8F)
٢ J٢WאCelsiusKelvinRankinFahrenheitK
٢ J١ J٣אאDilatation thermometersW
אאאא،אאא،אאאאאאא
0 273.15
KELVIN(8K)
CELSIUS(8C)
RANKIN(8R)
FAHRENHEIT(8F)
-273.15 0
491.670
-459.67 32
א ٢٥٤ אא אאFE אא
- ٢٦ -
KאאאאאאאאK
JאאאW אאא
KאאאאאאאאאאאK
GאאאאאאאאW )Pentane( -200 → 20
ethanol -110 →100
toluene -90 →100
creosote - ethanol -10 →200
FMercuryE -38 →+650
Mercury - Thallium -58 →+650
Mercury - Gallium 0 →1 000
אאאאאאW GIena4508CK GSupermax6308CK Gsilica10008CK
٢ J٣W
א
א ٢٥٤ אא אאFE אא
- ٢٧ -
JאאאאW אאWPV = nRT
WPW،אאVW،אR=8,31 J.mol-1.K-1،TWאאא8KK אW
P=RT/V R/VאאאK
٢ J٤W
Gאאאאאאאאא
אW helium -267,8°C
hydrogen -239,9°Cnitrogen -147,1 °C
Carbonic gaz -31,1°C
א1%אא JאאאאW
אυאאאאLאא،K
א
אBoudron Tube
א ٢٥٤ אא אאFE אא
- ٢٨ -
GאW ،אאא
אא،אאאאK
WאIron alloyאInvarאK
٢ J٥Wא
GאאLinear pyrometerFאאאWE אאאאאא
אאאK
٢ J٦Wאא ٢ J١ J٤אאאElectric thermometersW
אאא،אאאאאאאאKאאאאא
אאFא،EאאאאאאאK
אאאא
אא אא
א ٢٥٤ אא אאFE אא
- ٢٩ -
אאאאאאKאאאW • אאPassive sensorאאאK • אאActive sensorאאאאאK
٢ J٧WאאRTD(Resistance Temperature Detector)
אאאאאא
אאאאKאאאא،אאאK
JאאW אא،Rאאυ
אאW R=R0(1+a1T+a2T2)
RWאFאWohmEאT8C R0WאFאWohmEא08CK TWאא8C
א
א
א
א ٢٥٤ אא אאFE אא
- ٣٠ -
a1،a2W a1،a2R0،אאא
אאאאאW אאF°CE א אFmAE
0 25 50 75
100
100.0 109.9 119.8 129.6 139.3
4 8 12 16 20
אW 1008CW100.0=R0(1+0a1+02a2)FE 119.88CW119.8=R0(1+50a1+502a2)FE 139.38CW139.3=R0(1+100a1+1002a2)FE
אFWER0=100ςK R0=100ςאFEFEW
119.88CW0.198= 50a1+2500a2)FE 139.38CW0.393= 100a1+10000a2)FE
אa1a2W a1=0.00399 a2=-6x10-7
אW R=100(1+0.00399T-6x10-7T2)
אאאאאא
אK
א -190 → 250
א -60 → 180
א -250 → 1100
א ٢٥٤ אא אאFE אא
- ٣١ -
אא،אאאאאPT100K
٢ J٨WPT100
JאW
אאאא١٥٠10008Cא،W
GאFe2O3K GאMgAl2O4 GאZn2TiO4 .
אאאאאא
אאאאאאW
א
א אא
א ٢٥٤ אא אאFE אא
- ٣٢ -
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א،אF١=א 12،א=550KEאאK
٢ J١٠Wאא
،אאאאK
GאאW אאW
אאא
١ J
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אς
T:אא R:א I : א
V : א
א אא
א ٢٥٤ אא אאFE אא
- ٣٣ -
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٣ Jא
Wheatstone
J אאאאW אאאאאאאאא
אאאאK،אאאאאאK
٢ J١١W
אאL JאאאW
0 1 2 3 4 5 6 7 8 9
0 0 50 101 151 202 253 303 354 405 45610 507 558 609 660 711 762 814 865 916 96820 1019 1071 1122 1174 1226 1277 1329 1381 1433 1485
א
אא
T:אא R:א
R(08C) : R08C
א ٢٥٤ אא אאFE אא
- ٣٤ -
Wאאאא48C278CK
48CWאאאא202µV 278CWא1381µV
אFW1381-202E1179µVK GאאאאאW
אאאאאאאFKKKKאEאא
אאאאאאאW
א אא %
K J 0°C à 1100°C 1,5
J -180°C à 1300°C T -185°C à 300°C 0,5
J -250°C à 400°C
J 20°C à 700°C 1,5
J -180°C à 750°C
E - 0°C à 800°C 1,5 אאא
J -40°C à 900°C
R - 13% 0°C à 1600°C 1
א
א ٢٥٤ אא אאFE אא
- ٣٥ -
0°C à 1700°C
S - 10% 0°C à 1550°C 1
0°C à 1700°C א
٢ J١٢Wאאאאאאא GאאאאאW
אאאאאאאאא،אאאK
אא8C
א
mV
א ٢٥٤ אא אאFE אא
- ٣٦ -
٢ J١٣Wאאאא
אאA’B’אאאאאאAB،אאאאאאK
Constantan T Constantan
Constantan J Constantan
Constantan V Cupronickel S J 10 %
W אאאאאFאEא
27008Cאאאאאא،אא
אאאK JאאW
אאאאאאאאאאאFאאאEאאKאא
، JאK אאאאאK
אאאאאאאאW JאאF20008CE
א
A’
B’
א ٢٥٤ אא אאFE אא
- ٣٧ -
JK JK JK JאאK
٢ J١٤Wאא
אאאאאSpectral emittanceאאK
٢ J١٤Wאאא
אאאאאאאאאאאאאF0.4µm0.8µmEאאאK
G5008CאאאאאאK GאF50008KEאאאK
אאאW Jאmonochromatic pyrometerFλ=0.65µmEאא
אFµmEאא
Fw
.cm-2.µm
-1(
א ٢٥٤ אא אאFE אא
- ٣٨ -
אאאא JאאאאW
Si 600 °C
Ge 200 °C
Pb S 100 °C
Pb Se 50 °C
In Sb 0 °C
Hg Cd Te -50 °C
Jאbichromatic pyrometerאא،אאאאאλ1λ2K
JאWאאאאאאאאKאאאאא
אאK JאאאאGas-filled thermal systemW
אאF٢ J١٥Eא-268°C760°CKאא،،אאא
אאKאאאאאאאאאאאא
אKאאאאאאKאאא3psiאאא
Kאא15psiאK
א ٢٥٤ אא אאFE אא
- ٣٩ -
٢ J١٥Wאgas-filled thermal transmitter
אא
אא
אא
אאא א
אא אא
א ٢٥٤ אא אאFE אא
- ٤٠ -
٢ J٢אW ٢ J٢ J١W
JאWאאאW P=F/A
FWאFNewtonE،AWאFm2E،PWאFN/m2E אאW1N/m2=1PascalW 100000Pa=1bar=10.194=751.9=14.5psi=106barye=1.02kgf/cm2 JאאW JאאWאאאא
JאאWאאאא158C1013mbarאאאK
JאאWאאא،אאאאאKאK
JאאW،אאKאאK
JאאWK،אאK
JאWאK
٢ J١٦Wאא
אא
א א א א
א ٢٥٤ אא אאFE אא
- ٤١ -
JאאFWE JאאW ،אאאא
אאאאאאאW P=ρ.g.hFρWאgWאE
P1=P2=P3=P4
٢ J١٧Wאא
JאאW vW
P=1/2.ρ.v2 JאאW
Pt=ρ.g.h +1/2.ρ.v2 PtWFE
KאK ٣ J٢ J٢אאW
٢ J١٨Wאא
אאאאKאא،אK
א ٢٥٤ אא אאFE אא
- ٤٢ -
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אKאאאאK
٢ J١٩WU
אאא05.105Pa אW
JאWF0.1E،אא،K JאWא،אאא،
،אאאא،אאאאאאאKאK
JאאWאא،אא2א،
א2אא،K
٢ J٢ J٢אאFאאEW JBourdon tubeW
אאW
Patm
HPatm+P
א ٢٥٤ אא אאFE אא
- ٤٣ -
١ J، ٢ Jא ٣ Jא ٤ J ٥ Jא
٦ J ٧ J ٨ J
٢ J٢٠W
אאאK
אאאאאKאאאאFKEאא،אא
אאאאאK אאאאאאא
אKא0.64K JאאW
١ J ٢ Jא
٣ J ٤ Jא
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אאאאF∆hEא∆tKאא0.26m100secאW0.26/100=0.0026m/sec،
אW
Aqq
th avgoutin
)( −=
∆∆
א،אFm/secE
א∆tFdtEאאאW
inGqh
dtdh
=+τ
∆t←0،th∆∆
←אאWA
qqdtdh
outin)( −
=
Wאאאאא
L
out Rghq ρ
=Fm3/secE
Wqout=אm3/sec،ρ=אkg/m3،g=אאm/sec2،hWאm،RL=אאPa.sec/m3
אאWA
Rghq
dtdh
L
in
ρ−
=
Whqg
Rdtdh
gAR
in
L
L−⎟
⎠
⎞⎜⎝
⎛=⎟
⎠
⎞⎜⎝
⎛ρρ
אאאW
א ٢٥٤ אא אאFE אא
- ٨٩ -
inGqh
dtdh
=+τF1E
WgAR
L
ρτ =אFsecE،
gRG L
ρ=אsec/m2
١ J٢אאאRCW
אאאאאאRCאW
٣ J٢WאאאRC
א،iאFEin-EoutEאRK
REEi outin
−=
א،iאCאאאK
dtdECi out=
אאאאWinout
out EEdt
dE=+τF2E
RC=τאK
+
-
i R
C EoutEin
א ٢٥٤ אא אאFE אא
- ٩٠ -
١ J٣W אאאאאא
אאאKאאFaאאPinאKAW
Fa=Pin.A
אWאאאFIאא،אFRאFCK
Fa=FI+FR+FC אאאW
אW=γ 2
2
dtxd
אא،W2
2
dtxdmF
I=
אאFRWdtdxRF
mR=
אFCWm
R CxF =
אWxCdt
dxRdt
xdmApm
min
12
2
++=F3E
אF3EאF1EF2EK
אאאאF1Edh/dtאF2EdEout/dtאF3Edx/dtK
א ٢٥٤ אא אאFE אא
- ٩١ -
W
GW אאW
RL=5.62x105Pa.sec/m3 ،A=1.85m2،ρ=880kg/m3،g=9.81m/sec2K dh/dt،hqinאאאK
אW
smsPagAR
sm
mkg
L 120)81.9)(880(
)85.1)(.1062.5(23
25
=×
==ρ
τ
2
23
35
/1.65)/81.9)(/880(
)/.1062.5( mssmmkg
msPag
RG L =×
==ρ
inqh
dtdh 1.65120 =+
٢ JW
،אאK
٢ J١W אƒ(t) אt ≥ oW
Fa
אא
אRm
Cm
א ٢٥٤ אא אאFE אא
- ٩٢ -
dtetf st∫∞ −
0)( F ( s ) =s
F (s) אƒ(t)،אF(s) = £[ƒ(t)]אאK
٢ J٢W אW ƒ(t) = K
sK
sKee
sK
seKdtKedtetfsF
s
st
stst
=−−=−−=
⎥⎦⎤
⎢⎣⎡−
====
∞−
∞
∞
−
−∞ −
∫∫
)10()(
)([K] £)(
0
0
00
אWsK£(K) =
٢ J٣אW
אאאƒ (t)F(s)W )]([£(t) 1 sF−=ƒ
אWKsK
=⎥⎦⎤
⎢⎣⎡−1£
Differential equation
Algebric equation
א
Time domain
Frequency domain
א ٢٥٤ אא אאFE אא
- ٩٣ -
אאאƒ(t)אא
אאאאאאK
٢ J٤W אאאאאW
١ JאW[ ])()(£)]([£.)]([£. 2121 tbftaftfbtfa +=+a,bK
٢ JאW)0()(.)0()]([£.][£ fsFsftfsdtdf
−=−=
٣ JאאWdt
dfsfsFsftfsdt
fd )0()0()()0()]([£.£ 2
2
2
−−=−=⎥⎦⎤
⎢⎣⎡
٤ JאWssF
stfdttft )()]([£])([£ 0 ==∫
٥ JאאW)(.0
lim sFss →
=)(tf
tLim
∞→
٢ J٥אאאW
אאf(t) אf(t) F(s) ١אא δ(t) 1
٢אאFKE K sK
٣אא tK 2s
K
٤אאa>0 ateK −.
asK+
٥אאτ>0 τt
eK −. 1. +s
Kτ
٦אאאאa>0
ate −−1
)( assa+
א ٢٥٤ אא אאFE אא
- ٩٤ -
٧אאאאτ>0
)1( τt
eK −− )1.( +ss
Kτ
٨אאsinא،ω )sin(. tK ω 22 ω
ω+s
K
٩אאcosא،ω )cos(. tK ω 22 ω+s
Ks
١٠אאאsin teK at ωsin.. −
22)( ωω++ as
K
١١אאאcos teK at ωcos.. −22)(
)(ω++
+as
asK
١٢אאא atetK −.. 2)( as
K+
٣ JאאW
אאאאאאאאאאאאאKא
אאW ١ JאאK ٢ JאWאאW،،،אאK
א
א
א v
א y
e
א ٢٥٤ אא אאFE אא
- ٩٥ -
אאאאאאא
אKKKK אאאאאW
אאאFאEאW
אאK
٣ J١אאאW אא،אא
אאאאאK
HHאH
א
א v אy
G(s)
دخلE(s)
خرجU(s)
عنصر
HHאHאH
א
v ye
א ٢٥٤ אא אאFE אא
- ٩٦ -
אאW)()()( sG
sEsU=
GW אאאאאא tetU −−= 1)(
אK אאW
JאW
stesE 1]1[£)]([£)( ===
]1[£)]([£)( tetesU −−==
W1
11+
−=ss
U(s)
אW)1(
1)(+
=ss
sU
JאאאאW
11
1.
)1(1
)()()(
+=
+==
ss
sssEsUsG
אאאW1
1)(+
=s
sG
٣ J٢אאאW ٣ J٢ J١אאאW
? tetU −−=1)(E(t)=1
)(1 sG )(2 sG
)().( 21 sGsG
E(s) U(s)
E(s) U(s)
א ٢٥٤ אא אאFE אא
- ٩٧ -
٣ J٢ J٢אאאאאW
Wאאאא
אW
GאאH(s) =1אאW
W
GאאאW
G(s)
H(s)
v ye
)()(1)(
sHsGsG
+
v y
אאאאא
G(s) v ye
)(1)(sG
sG+
v y
G(s
H(s
v(s) y(s)e
z-
א ٢٥٤ אא אאFE אא
- ٩٨ -
W : eאWe = v-z
G(s)WאאאאאW)()()(
sesysG =
H(s)WאאאאאW)()()(
syszsH =
G(s).H(s)WאאאאאW)()()()(
seszsHsG =
)()(1)(
sHsGsG
+WאאאאאW
)()(
)()(1)(
svsy
sHsGsG
=+
٣ J٢ J٣W אאאאאא،W?
)()(=
svsy
אW אאאאW
ss 1+
121+s
K2
K1 v(s) y(s)
v1 e1 e2
e2
K2
)12(1++ss
sK1 v v1 e1 y
א ٢٥٤ אא אאFE אא
- ٩٩ -
אאאאאאGHG
ey
+=
11
W)12(
1++
=ss
sGH(s)=K2K
W)12()1(21
)12(1
.11
++
+
++
=+
=
sssK
sss
HGG
ey
W)1(2)12(
11 +++
+=
sksss
ey
אW2)12(2
11 2 kkss
sey
++++
=
אאW
אאאאאWGHG
vy
+=
11
W22
2 )1(21
kksssG
++++
=H=1
W22
2
222
)1(211
)1(21
11kkss
skkss
s
GG
vy
++++
+
++++
=+
=
W1)1(2
1
222
1 ++++++
=skkss
svy
אW1)2(2
1
222
1 +++++
=kkss
svy
אאW
2)11(21
2 kksss
++++
K1 v v1
e1 y
K1 1)2(21
222 ++++
+kkss
s v v1 y
א ٢٥٤ אא אאFE אא
- ١٠٠ -
אאאאאאW
21.GGvy=
אאאאאK
אאאאאאאאאאא٢
٣ J٢ J٤W GW
אאאאאאW
inGqhdtdh
=+τ
W
)(£
)]([£)(
ssHdtdh
thsH
=⎥⎦⎤
⎢⎣⎡
=
אW
[ ]
1)()(
)(1
)(
)(1)()()()(
+=
+=
=+=+
sG
sQsH
sQsGsH
sGQssHsGQsHssH
in
in
in
in
τ
τ
ττ
1)2(2)1(
222
1
+++++
kksssk
v y
א ٢٥٤ אא אאFE אא
- ١٠١ -
)()(
sQsH
in
אאK
GאW אאאאאאW
inoutout EE
dtdE
=+τ
אאאW
sEE
in
out
τ+=
11
GW אאאאאאW
xCdt
dxRdt
xdmAPm
min
12
2
++=
אאאW
21 smCsCRAC
Px
mmm
m
in ++=
א ٢٥٤ אא אאFE אא
- ١٠٢ -
J٣ J ١W
אאאW ١ Jƒ(t)=12 ٢ J tetf 22)( −+= ٣ Jttf 4sin2)( = ٤ Jttf 377cos120)( = ٥ Jƒ(t)=27t ٦ Jtetf t 1000sin.89)( 2−= ٧ Jf(t)=12.3+t+5e-4t
GאW ١ JF(s)=12/sK ٢ JF(s)=2/s+1/(s+2) ٣ J
168
2 +sF(s)=
٤ J22 )377(377120
+×
sF(s)=
٥ JF(s)=27/s2 ٦ J
1000000)2(890002 ++s
F(s)=
٧ J4
513.12)( 2 +++=
ssssF
٢W אאאאW
١ JS
sF 5.27)( =
٢ J5
8)(+
=s
sF
٣ J25006.19)( 2 +
=s
ssF
٤ J128322
4.17)( 2 ++=
sssF
א ٢٥٤ אא אאFE אא
- ١٠٣ -
٥ J10000)2(
350)( 2 ++=
ssF
٦ J2
212 )2(2)2()1(8)(
++
+=
++
=s
KsK
sssF
GאW ١ JאWf(t)=27.5 ٢ JאWf(t)=8e-t ٣ JאWf(t)=19.6cos50t ٤ J22 )8(
7.86416
7.8)(+
=++
=sss
sFא،Wf(t)=8.7te-8t
٥ J22 )100()2()100)(5.3()(
++=
ssFא،Wf(t)=3.5e-2tsin100t
٦ J١Wא2)2( +sW21 )2()1(8 KsKs ++=+ ٢Ws-2אאWK2=-8 ٣WK2אאWK1=8
W2)2(
82
8)(+
−+
=ss
sF
אא١٢Wtt teetf 22 88)( −− −=
٣W אאאאאW
J)(7)(12)(8)( 2
2
txdt
tdxdt
txdtf ++=אאW ١ Jx(0)=0 ٢ Jx(0)=64)0(
−=dt
dx
J∫++= dttxtxdt
tdxtf )(8.4)(2.24)(5.5)(אWx(0)=0 GאW
אWF(s)=8s2.X(s)+12s.X(s)+7.X(s) ٤W
אא-א -אPID ControllerאW
א ٢٥٤ אא אאFE אא
- ١٠٤ -
∫++= dteTK
dtdeKTKei
id .
W iWאFmilliampereKE eWאFvoltKE
KWאK TdWאK TiWאK
אאW،אאI(s)/E(s)א،W K=3.6 ،Td=0.008 ،Ti=2.2.
GאW אW
ssE
TKsEsKTsEKsI
id
)(.)(..)(.)( ++=
W).
1.1()(/)(sT
sTKsEsIi
d ++=
אאW)2.21008.01(6.3)(/)(
sssEsI ++=
٥W
אא)()(
sIsXא
אW
ixdtdx
dtXd 3.002.00001.02
2
=++
Wx = אאFinchE،i=אFmAKE
אW102.00001.0
3.0)()(
2 ++=
sssIsX
٦W אאאאאאW
א ٢٥٤ אא אאFE אא
- ١٠٥ -
GאW
100520
)()(
2 ++=
sss
sRsC
٧W אאאאאאW
GאW24120
)2(10)()(
23 ++++
=sss
ssRsC
R(s) C(s)
ss 20+
21
++
ss
+
- s1
s1
20
10
R(s) C(s)
520+s
s5
+
-
אאאאאאאאאא
אאאא
אא
א
א
א
٤
א ٢٥٤ אאא אאFE אאאאא
- ١٠٦ -
אאא Jאאאאא J
אאW אא
אאאאאW GאאאאK GאאK GאאאאK GאאK Gאאאא
אאאWאאא٩٠K٪
אאW٤K
אאW ١ J אאאאK ٢ J אאאאK ٣ J K
אאW
א ٢٥٤ אאא אאFE אאאאא
- ١٠٧ -
אאאWאאאאא א،אאאאאאא
אאאאK ١ JאאאW ١ J١אאW
אאאאאW
)()()( tbxtaydt
tdy=+א،t=0y(0)=y0F4 J1E
אאאW
)()()( tGxtydt
tdy=+τא،t=0y(0)=y0F4 J2E
abW،א
τWאFa1
=τE
GWאאאFabG =E
y0Wאאאא אאF4 J1Eא،W
)()()()()()(
0
0
sbXysYassbXsaYyssY
+=+⇔=+−
אas +אW)(11)( 0 sXas
bas
ysY+
++
=
Wy0=0אW
אW
asabE
sabE
assbEsY
+−=
+=
//)(
)(
אאY(s)אtW
asb+
sEsX =)(
X(s) )(
)(ass
bEsY+
=
א ٢٥٤ אאא אאFE אאאאא
- ١٠٨ -
)1()( /τteGEtY −−= אאאאאאW
אt τ 2τ 3τ 4τ 5τ אY(t) 0.63GE 0.86GE 0.95GE 0.98GE 0.99GE
אאFW4.1،4.2،4.3EW
JאFτETime constantWאWτ=1/aאאאאאא63%א
אK JאאF(TrRise TimeW
אאאאא10%90%אאאא)(∞yK
τ×==−= 2.22.211.031.2aaa
Tr
٤ J١Wאאa=5אτ=1/5=0.2sec
TsTr
0.63GE
τ=1/a
0.98GE Yss=GE
א ٢٥٤ אאא אאFE אאאאא
- ١٠٩ -
JאFTsESettling TimeW אאאאאא
אאאFא2%±KE
τ44==
aTs
GW
אאאאאאאאא
אאאW)(10)(2)( txtydt
tdy=+
אτאא،Trא،TsK אW
אאW
15.05
210
)()(
)(10)(2)(
+=
+=
=+
sssxsy
sxsyssy
אWs
sX 1)( =Wss
sY)15.0(
5)(+
=
Wtt eety 5.05.0 55)1(5)( −− −=−= אאאW5)( ==∞= ssyty
אאWtety 5.05)( −−= אWτ=0.5s،Ts=2s،Tr=1.1sK
١ J٢אאאW אאW
GאאאWτ=1/a GאאאאאF٩٨٪EאאWTs=4 τ GאאאWGEy
ss=
א ٢٥٤ אאא אאFE אאאאא
- ١١٠ -
GאFgain coefficientEאאאאWG=yss/EK
١ J٣W
אא،אאאאאWA=1m2אא،WR=500s/m2K
אW Jא
Jאτ JאG JאאWQin(t)=2×10-4m3/sא،אאא
אאK אW
JאאW)()()( tRQthdt
tdhAR in=+ARW
)(500)()(500 tQthdt
tdhin=+
Jאאאאאא
)()()( tGxtydt
tdy=+τ،Wτ=500s
JאאWG=500 JאאW)1(500)1()( 002.0/ tt eeGEth −− −=−= τ
א،אh(t=∞)=hss=500K
א ٢٥٤ אאא אאFE אאאאא
- ١١١ -
0 500 1000 1500 2000 2500 30000
50
100
150
200
250
300
350
400
450
500Step Response
Time (sec)
Ampl
itude
٤ J٢Wא
א ٢٥٤ אאא אאFE אאאאא
- ١١٢ -
٢- אאאW אאאא
אאאא،אאK אאאאאא
אאK ٢ J١אאW
אאאאאאאאW
bassbsG
++=
2)(،bn =
2ωna ξω2=
אאאאאאW
)()()(2)( 22
..
2
2
txtydt
tdydt
tydnnn ωωξω =++
WξאDamping ratio ωn א frequency
אאW Jξ<1אUnderdamped systemK
Jξ≥1 א Critically damped system. Jξ=0א
0 1 2 3 4 5 60
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08Step Response
Time (sec)
Ampl
itude
٤ J٣Wאאξ<1
א ٢٥٤ אאא אאFE אאאאא
- ١١٣ -
0 0.5 1 1.5 2 2.50
0.005
0.01
0.015
0.02
0.025
0.03
0.035
0.04
0.045
0.05Step Response
Time (sec)
Ampl
itude
٤ J٤Wאאאξ≥1
٤ J٥Wאξ=0
٢ J٢אאW אאאאW
א ٢٥٤ אאא אאFE אאאאא
- ١١٤ -
אIndex אאAnalytical expression ١ JMaximum overshoot δ 10%100.
21/ <<= −− ξδ ξξπe ٢ Jאtp
21 ξωπ−
=n
pt
٢ JאאDelay time Td
1,15.06.01
10,7.01
2
≥++
≈
<<−
≈
ξω
ξξ
ξω
ξ
n
d
n
d
T
T
٣ JאאRise time Tr
1,4.11.11
10,5.28.0
2
≥++
≈
<<+
≈
ξω
ξξ
ξω
ξ
n
r
n
r
T
T
٤ JאSettling time Ts τ
ξω44
=≈n
sT
٥ JאDamping index ψ 21/2(
1
21 1 ξπξψ −−−=−
= eA
AA
٤ J٦Wאאא
A1 A2
א ٢٥٤ אאא אאFE אאאאא
- ١١٥ -
٢ J٣אאאW אא
אאm kc K
אm fאאא
mK
אאW אא..
. xmFאEאאאK אאאאFWאאKE
(1)0ftkxdt
tdxcdt
txdm =−++ )()()(2
2
F1EאאאאאW
0)()()()(2 =−++ sfskxsCsxsxms
)()()( 2 sfsxkCsms =++
mks
mcs
mkCsmssf
sx
++=
++=
22
11
)()(
m
k C
f
X א
+
-
א ٢٥٤ אאא אאFE אאאאא
- ١١٦ -
Wmk
=0ωCcC
=ξ
WkmCc 2=
ξWאK
0ωWאאאK Cc WאאK
W200
2
20
200
2 21
2
1
)()(
ωξωω
ωξω ++=
++=
sskssm
sfsx
אאW 200
2
20
2 ωξωω
++ ss،אאאאאאK
GאאאאW
אאאאאf(t)K
אאx(s)W)2(
)(200
2
20
ωξωω
++=
ssssx
אאאx(s)٣
אאx(t)אξK 2
020
2 ωωξ −=∆
W)1( 220 −=∆ ξω
200
2
20
21
ωξωω
++ ssk
x(s)خرج f(s)الدخل
s1 f(s)= x(t)=?
א ٢٥٤ אאא אאFE אאאאא
- ١١٧ -
JאאW0>∆1>ξWא(over damped system) אאW2
002 2 ωξω ++ ss،W
)1(1 20
2001 −+−=−+= ξξωξωξωs
1(1 20
2002 −−−=−−−= ξξωξωξωs
2121
20
))(()(
ssC
ssB
sA
ssssssx
−+
−+=
−−=
ω
tsts CeBetx 211)( ++=
W A=1 ،21
2
sss
B−
=،21
1
sss
C−−
=
JאאW0=∆1=ξ،(critically damped system)
אאW002 2 ωξω ++ ss،W
021 ξω−== ss
200
20
20
)()()(
ξωξωξωω
++
++=
+=
sC
sB
sA
sssx
F1=ξE)1(1)( 00 tetx t ωω +−= −
JאאW0<∆1<ξא(Under damped system)
אאW002 22 ωξω ++ ssW
2001 1 ξωξω −+= js
2002 1 ξωξω −−−= js
[ ] )1()()1()()(
220
20
220
20
20
ξωξωξωξωω
−+++
+=−++
=s
cBssA
sssx
)1( <ξ[ ]Qtetx t +−−
−= −
02
21sin.
111)( 0 ωξξ
ω
א ٢٥٤ אאא אאFE אאאאא
- ١١٨ -
Wξξ 21−
= arctgQ
אאאאאאאW
• אFrtEWאא0100 00א
אאאW2
0 1 ξωπ
−−
=Qtr
• א)( pM،אאאW
21 ξ
πξ
−
−
= eM p
• א)( ptWאאאאאW
20 1 ξωπ−
=pt
• א)( st،אאאא±50
0
אאאאאW0
3ξω
=st
٢ J٤אW
٤ J٧W
אאאW
e
א ٢٥٤ אאא אאFE אאאאא
- ١١٩ -
• אאWeKRidtdiL e =Ω++F1E
• אאWא=Ω+Ω B
dtdJF2E
• אאWא=iKtF3E
אF2EF3EWtK
BdtdJ
iΩ+
Ω
=
אאאאW
Gedtda
dtda =Ω+
Ω+
Ω12
2
2
WBJ
m =τאאK
RL
e =τאאK
RBKK
KGRBKKRBa
RBKKRBa
te
t
te
em
te
em
+=
++
=+
= ,)(,12
ττττ
JWאFkg.m2E BWאFN.m.s/radE LWאאאFHE RWאאאFΩE KtWאFN.m/AE EWאFVE ωWאאאFrad/sE KeWאאFV.s/radE
אאW
2
1
2
1
2
0 2,
2,1
aa
aa
a=== ξαω
א ٢٥٤ אאא אאFE אאאאא
- ١٢٠ -
GW אאאW
radVsKAmNKRHLradsmNBmkgJ
et /043.0,/.043.02.1,02.0,/..100.1,.102.6 424
==Ω==×=×= −−
אW Jאא
Jאא Jאא Jאא JאאאK
אW Jτm=J/B=6.2×10-4/1.0×10-4=6.2s
Jτe=L/R=0.02/1.2=0.0167s JאW8.21,379.0,0063.0 12 === Gaa
אאW)(8.21)()(379.0)(0063.02
2
tetdt
tddt
td=++ ωωω
JאאW
387.20063.02
379.02
0794.00063.011
2
1
2
0
===
===
aaa
ξ
ω
JאאW ،אאאא
W 01379.00063.0 2 =++ ss
אW∆=(0.379)2-4×0.0063×1=0.137>0א،W
א ٢٥٤ אאא אאFE אאאאא
- ١٢١ -
765.20063.02
)137.0379.0(
393.570063.02
)137.0379.0(
1
1
−=×+−
=
−=×−−
=
r
r
אאאFξ>1EאאW
⎥⎦
⎤⎢⎣
⎡×
−−×
−+= trtr e
rrre
rrrbEty 21
21
1
21
220
1)(ω
אאאω(t)א،r1r2ω0E=5VFאאEb=21.8אW
[ ]tt eet 76.239.57 05.105.0127.137)( −− −+=ω
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 20
20
40
60
80
100
120
140Step Response
Time (sec)
Ampl
itude
٤ J٨Wא
א ٢٥٤ אאא אאFE אאאאא
- ١٢٢ -
J٤ J ١W
אאW
אW אאאא
)()(
svsyאτאא،Tr،
אTsK GאW
)10297.0
1(99.010297.0
99.01013
100
131001
13100
)()(
+=
+=
+=
++
+=sss
s
ssvsy
Wτ=0.0297،Tr=2.2×0.0297=0.065،Ts=4×0.0297=0.118K ٢W
אאאאKW
2
100S
KS
v(s) y(s)
- -
13100+s
v(s) y(s)e(s)
א ٢٥٤ אאא אאFE אאאאא
- ١٢٣ -
אWאאאאאW)()(
svsyא،K
GאW
אאאאאאW2
100S
KSאאW
KSS
S
.1 2
2
100
100
+=
KSS .100100
2 +=
)100(100
KSS +
אאאאאW)100(
100KSS +
1אאW
)()(
svsy =
)100(1001
)100(100
KSS
KSS
++
+ =100)100(
100++ KSS
=100100
1002 ++ KSS
אאאK ٣W
١ Jξωn אאאאאאאW
362.436)(
2 ++=
sssG
٢ Jאδאא،Tdא،Trא،TsאψK GאW ١ J362 =nω6=nω،2.42 =nξωξ=0.35<1K ٢ Jאאא٢١Wδ=36%،Td=0.125،Tr=0.279،
Ts=1.42،ψ=0.178K ٤W
ξאאאאאאW
١ J128
12)(2 ++
=ss
sG
٢ J168
16)(2 ++
=ss
sG
א ٢٥٤ אאא אאFE אאאאא
- ١٢٤ -
٣ J208
20)(2 ++
=ss
sG
GאWאאאאW200
2
20
2)(
ωξωω
++=
sssG
W ١ J ξ=1.155ξ>1 ٢ J ξ=1
ξ=0.894ξ<1
٥W אאW
50)(10)(=+ ty
dttdy،t≥0
W ١ Jאτ ٢ Jא ٣ Jאאא
אWτ=0.1،G=5،tety 1.01)( −−=
٦W
אאW
2)(2)(3)(2
2
=++ tydt
tdydt
tyd،t≥0
W ١ Jאאא ٢ JאG 3 JאK
אW
א ٢٥٤ אאא אאFE אאאאא
- ١٢٥ -
١ Jξ=1.06،ω0=1.414אא ٢ JאWG=1 ٣ Jtt eety −− +−= 21)(
٧W אאאאאאW
W
١ JאאTr ٢ JאTs ٣ JMpא ٤ Jאאא
אW١ JTr=0.28sec،٢ JTs=0.9sec،٣ JMp=16%،٤ JG=1K
אאאאאא
אאאא
א
א
א
٥
א ٢٥٤ אא אאFE אאא
- ١٢٦ -
אא Jאאא J
אאW
אאW אאאאW
GאאאאK GאאאאאK Gאאאאא Gאאאאא Gאאאאאא Gאאאאאאא
Gאאאאא
אאאWאאא٩٠K٪
אאW٤
אאW ١ J אאאאK ٢ J אאאאK ٣ J K
א ٢٥٤ אא אאFE אאא
- ١٢٧ -
אאWאאא אאאאאFאאEא
אאKאאאאאאאאאאאאPאא،I،אא
אPIאא،DאאאאPIDאאאK
١ J אאאAstatic and Static systemsW אאא
אWאאAstatic systemsאאStatic systemsא٥ J١ אאK
٥ J١ W
א ٢٥٤ אא אאFE אאא
- ١٢٨ -
אאאQFאאאאE
אאאאאאאאאאאKQ
אאאאאאאFhEאאQא،
hאQKאאאאאאStatic systemsא،Degree of statism
אW
min
minmax
hhh −
=δ
אאאאKאאאא
אA,Bאאאאא،אאhאh0א،Astatic systemאhאQאאא
FאאSteady stateEאאK אאאאאאא
k/sאאאאאאOrder of astatismאאIntegratorsא
אאאאאKאאאאאאאאא
אK אאאClassical controllersW
GStatic controllersאאP-controllersא
א JאPD-controllersK
א ٢٥٤ אא אאFE אאא
- ١٢٩ -
GAstatic controllersאאI-controllersא،א JאPI-controllersאא Jא JאPID-
controllersאאFirst order astatismK אאאא
אאאK
٢ JאאW אאאאFאאEא
אאKאאאKאאאFSteady state
errorKE GWאאאאאאאאאK
אאאאאאאאאאאאW
)()(11
)()(
sHsGsse
+=
υ
אאW)()(1
)()(sHsG
sse+
=υ
e(s)אK
אאאאW
G(s)
H(s)
Wv(s) e(s) y(s)خرج
א ٢٥٤ אא אאFE אאא
- ١٣٠ -
)()(1)(.lim)(.lim
0 sHsGsssese
ssss +==
→→
υ
א)(tυ،s
s 1)( =υW
)()(1
1.lim
0 sHsGs
se
sss +=
→
Wp
ss koHoGe
+=
+=
11
)()(11
WKp= G(o). H(o) KpWא (Position error constant)
٣ JW ٣ J١אאW
אאW
١K אאτאאK ٢K אאאאאא)(tvK
GאW ١K אאאאאW
13100+S
Wv(s) e(s) y(s)خرج
-
א ٢٥٤ אא אאFE אאא
- ١٣١ -
1013100
)()(
131013
13100
131001313
100
13100
1313
13100
131001
13100
)()(
+=⇒
+++=
++++=
++
++
+=
++
+=
sssy
sss
ss
s
sss
s
s
sssy
υ
υ
אτאאא)()(
ssy
υאאW
1+stkK
אאאW101 W
110297.099.0
)()(
+=
+=
stk
sssy
υ
אאאW τ = 0.0297 ٢ Jאאsse،W
)(11
)()(11
oGoHoGess +
=+
=
WH(s)=1אאW13
100)(+
=s
sG
W100)( =oG،Wkp=100
אW0099.010011
=+
=sse
٣ J٢אאW
אאאאW
2
100S
KS
v(s) e(s) y(s)
- -
א ٢٥٤ אא אאFE אאא
- ١٣٢ -
WkK GאW
١E Jאאאאא)()(
ssy
υK
٢E JאאאאאאW)(tv ٣E JאkאאFovershootE
K GאW
١K אאאאאאאאאאאאאW
אאאאאאW
ksss
ksss
sks
ssesy
100100
100
100
1001
100
)()(
2
2
2
2
2
2
+=
+=
+=
אאW
אאW
ksskss
kss
kss
kssssy
100100100
100100
1001001
100100
)()(
2
2
2
2
+++
+=
++
+=υ
KSS 100100
2 +
v(s) e(s) y(s)
-
א ٢٥٤ אא אאFE אאא
- ١٣٣ -
W
100100100
)()(
2 +=
kssssy
υ
אאאאאK
٢K אאאאאאאאKאאאאאK
אאW
100100)100(
1001001
1)()(
2
2
+++
=
++
=kss
kss
ksssse
υ
א
2
1)(s
s =υW
100100()100(
100100)100(.1)(
222 +++
=++
+=
kssks
ksskss
sse
אאאW
)(.lim0
sesesss →
=
)100100()100.(lim
20 +++
=→ ksss
ksss
100
100k=
אאWess= k
א ٢٥٤ אא אאFE אאא
- ١٣٤ -
٣ JאאאW ٣ J١אW
אאאאאאאt ى K∞إلא،אאאאא
אאאאאאKאאאאאא
אאאא،אאW
אא Time function
אא Physical
interpretation
א Name
א Waveform
s1
1
א Constant position
Unit Step
2
1s
t א
Constant velocity Unit Ramp
3
1s
2
21 t
א Constant acceleration
אא Parabola
א ٢٥٤ אא אאFE אאא
- ١٣٥ -
٣ J٢אאW אאאאאא
אא،אאW
Gkpאאאא،Fv(t)=1 :()(0
sGLimksp →
= Gkvאאאאא،Fv(t)=t :()(.
0sGsLimk
sv →=
Gka ،אאאאאF2
21 tv(t)= :()(.2
0sGsLimk
sa →=
٣ J٣אאאאאW
JstepאאאW
ps
step ksGLimee
+=
+=∞=∞
→1
1)(1
1)()(0
JrampאאאW
vs
ramp ksGsLimee 1
)(.1)()(
0
==∞=∞→
JparabolaאאאW
as
parab ksGsLimee 1
)(.1)()(
0
2 ==∞=∞
→
G(s)V(s) E(s) Y(s)
א ٢٥٤ אא אאFE אאא
- ١٣٦ -
אאא،א،אאאאאW אType 2 אType 1 אType 0 א
אError
אStatic error
constant
אאError
אStatic error
constant
אאError
אStatic error
constant
אא
א Input
0 ∞kp= 0 ∞kp= pk+1
1kp= pk+1
1W1
0 ∞kv= vk
1 kv= ∞ kv=0 vk
1 Wt
ak1 ka= ∞Ka=0 ∞ Ka=0
ak1
W2
21 t
٤ JאאאW
אאאאאא،אW
GGp(s)אאאאא GGc(s)אא
٥ J٢Wאא
אאאאW
א ٢٥٤ אא אאFE אאא
- ١٣٧ -
G(s)=Gc(s)×Gp(s) אאW
)()(1)()(
)()(
sGsGsGsG
sRsC
pc
pc
×+×
=F٥ J١E
אאאW
)()(1)()(
sGsGsRsE
pc ×+=F٥ J٢E
٤ J١אאאאאאP-controllerW אאאW)()( teKtp p=
אW)()( sEKsP p=
אאאWpc KsGsEsP
== )()()(F٥ J٣E
،אאאאR0אאW
GאWsRsR 0)( =
GאW1
1)(+
=s
sGp τ
אF٥ J٢EאW
)1(1
111
1)( 00
pp
KsssR
sR
sK
sE+++
=×
++
=ττ
τ
אאאW
ppssss K
RKss
ssRssEe+
=+++
==→→ 1)1(
1lim)(lim 0000 τ
τ
،אאאאאאאאא،אKpא
אאאK
א ٢٥٤ אא אאFE אאא
- ١٣٨ -
GWאW1
1)(+
=s
sGpאאW1)( =tr،
אאW10,5,2 === ppp KKKאאא،אאW
٥ J٣Wאאאא
٤ J٢אאאאאאI-controllerW
אאאW∫= t
IdtteKtp 0 )()(
אאאWs
KsG Ic =)(
،אאאאR0אאW
GאWsRsR 0)( =
0.66
0.830.91
א ٢٥٤ אא אאFE אאא
- ١٣٩ -
GאW1
1)(+
=s
sGp τ
אאW
)()1(
111
1)(20
0
II KsssssR
sR
ssKsE
+++
=×
+×+
=τ
τ
τ
אאאW
0)(
)1(lim)(lim2000
=+++
==→→
Issss Ksss
sssRssEeτ
τ
אא،אאאאאאאאאK
GWאW1
1)(+
=s
sGpאאW1)( =tr،
אאW2,3.0,2.0,1.0 ==== IIII KKKK،אאאאאW
٥ J٤Wאאאא
א ٢٥٤ אא אאFE אאא
- ١٤٠ -
٤ J٣אאאאאאאPI-controllerW אאאאW∫+= t
Ip deKteKtp0
)()()( ττ
אאאאWs
KsKsG Ip
c
+=)(
،אאאאאR0אאW
iK אWsRsR 0)( =
iiK אW1
1)(+
=s
sGp τ
אאW
])1([)1(
111
1)(20
0
IpIp KKsssssR
sR
ssKsKsE
++++
=×
+×
++
=τ
τ
τ
Wאאא
0])1([
)1(lim)(lim2000
=+++
+==
→→Ip
ssss KKssssssRssEe
ττ
אאאא،אאאאאK
GWאW1
1)(+
=s
sGpאאW1)( =tr،
אאאW
2,1 == pI KK 1,1 == pI KK 1,2 == pI KK
אאאאאW
א ٢٥٤ אא אאFE אאא
- ١٤١ -
٥ J٥Wאאאאא
٤ J٤אאאאאאאאPID-controllerW
אאאאW
dttdeKdtteKteKtp
D
t
Ip
)()()()( 0 ++= ∫
אאאאאWs
KsKsKsG IpD
c
++=
2
)(
،אאאאאאR0אאW
GאWsRsR 0)( =
GאW1
1)(+
=s
sGp τ
אאW
א ٢٥٤ אא אאFE אאא
- ١٤٢ -
])1()[()1(
111
1)(20
02
IpDIpD KsKsKsssR
sR
ssKsKsK
sE++++
+=×
+×
+++
=τ
τ
τ
אאאW
0])1()[(
)1(lim)(lim2000
=++++
+==
→→IpD
ssss KsKsKssssRssEe
ττ
אאא،אאאאאאאK
GWאW1
1)(+
=s
sGpאאW1)( =tr،
،אאאאאאאאאW
2,1,1 === DpI KKK1,1,1 === DpI KKK 2.0,1,2 === DpI KKK
0 5 10 15 20 25 30
0.65
0.7
0.75
0.8
0.85
0.9
0.95
1
1.05Step Response
Time (sec)
Ampl
itude
0 5 10 15 20 25 300.5
0.6
0.7
0.8
0.9
1
1.1
1.2Step Response
Time (sec)
Ampl
itude
0 5 10 15 20 25 300.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1Step Response
Time (sec)
Ampl
itude
٥ JאאאאW
sK
sKKsU
dtdeKdteKeKu D
IpDIp ++=⇒++= ∫ )(.
א א
א ٢٥٤ אא אאFE אאא
- ١٤٣ -
،אאאאWאאאא
א אאא
אאא
אא
Kp א Ki א א א Kd
אאאאW PIDאאאאאא،W
אאאאאאK אאK K אאאK אWKp،KiKdאא
GW،אאW
٥ J٦W،
JאאWFkxdtdxb
dtxdM =++2
2
JאW)()()()(2 sFskXsbsXsXMs =++
JאאאאאX(s)אF(s)WkbsMssF
sX++
=2
1)()(
א ٢٥٤ אא אאFE אאא
- ١٤٤ -
W אWM=1kg אWb=10N.s/m אWk=20N/m אWF(s)=1
אאאאאW2010
1)()(
2 ++=
sssFsX
אאאWKp،KiKdW Gאא G Gאא
JאאאW2010
1)()(
2 ++=
sssFsX
٥ J٧Wאאא
JאאProportional controlW
אאאאFKpE،אאאאK
אאאאאW
א ٢٥٤ אא אאFE אאא
- ١٤٥ -
)20(10)()(
2P
P
KssK
sFsX
+++=
אWKp=300אאאW
٥ J٨Wאאאא
אאאאאא،אK
Jאא JאProportional-Derivative controlW
אאאא،אאאאאאW
)20()10()()(
2PD
PD
KsKsKsK
sFsX
+++++
=
WKp=300Kd=10אאאW
א ٢٥٤ אא אאFE אאא
- ١٤٦ -
٥ J٩Wאאאא J
،אאאאאאא
J אאאPI controlW אאאPID אאW
IP
IP
KsKssKsK
sFsX
+++++
=)10(10)(
)(23
WKp=350Ki=300Kd=50אאאW
٥ J١٠Wאאאא J J
אאאK
א ٢٥٤ אא אאFE אאא
- ١٤٧ -
J٥ J ١W
אאאאאאW
١ JאFkp,kv,ka(אK ٢ Jא؟ ٣ JאאאK
GאW
١ JאW208.512108
52500)(0
=××××
==→
sGLimksp
אW0)(.0
==→
sGsLimksv
אW0)(.2
0==
→sGsLimk
sa ٢ JאאאF٣ J٣Eאtype 0. ٣ J،،W
161.01
1)(1
1)()(0
=+
=+
=∞=∞→ ps
step ksGLimee
∞===∞=∞→ vs
ramp ksGsLimee 1
)(.1)()(
0
∞===∞=∞→
as
parab ksGsLimee 1
)(.1)()(
0
2
)12)(10)(8()5)(2(500
+++++sss
ssV(s)
E(s)Y(s)
א ٢٥٤ אא אאFE אאא
- ١٤٨ -
٢W
אאאאאאW
١ JאFkp,kv,ka(אK ٢ J؟א ٣ JאאאK
GאW
١ JאW3
100532
1000)(0
=××
==→
sGLimksp
אW0)(.0
==→
sGsLimksv
אW0)(.2
0==
→sGsLimk
sa ٢ JאאאF٣ J٢ J٣Eא0. ٣ J،،W
0291.01
1)(1
1)()(0
=+
=+
=∞=∞→ ps
step ksGLimee
∞===∞=∞→ vs
ramp ksGsLimee 1
)(.1)()(
0
∞===∞=∞→
as
parab ksGsLimee 1
)(.1)()(
0
2
)5)(3)(2(1000
+++ sss
V(s) E(s)
Y(s)
א ٢٥٤ אא אאFE אאא
- ١٤٩ -
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→)(
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==→
KsGsLimksv
אWK=672K ٤W
אאאW
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++++
sssssK
V(s) E(s)
Y(s)
)10(100+ss
V(s) E(s)
Y(s)
51+s
א ٢٥٤ אא אאFE אאא
- ١٥٠ -
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אאאK אאאאאW
4005015)5(100
)10(100
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+=
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אאאאאK
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ssss
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א ٢٥٤ אא אאFE אאא
- ١٥١ -
٥W
،אאאאאK
W1000)(1 =sG)25(
1)(2 +=
sssGK
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Y(s)،אאאW)()()(1
)()(
)()(11)(
21
2
21
sDsGsG
sGsV
sGsGsE
+−
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lim)()()(1
lim)(lim)(21
2
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sGsGssG
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sss
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KK2
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s0
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4234 +s
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א،אאאאאאאא،א
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3 0 s2
،אאאא
אאאאאεW (3) (2) (1)
א ٢٥٤ אא אאFE אאאא
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3 2 1 s4 0 2 1 s3 0 3 ε s2 0 0 (2ε-3)/ε s1 0 0 3 s0
אאאאאא-3/ε
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321 =++++ KssTTsTT
אאאאאאW
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KTT
n
21
21
21
0010)(
+
+=∆
אאW T1T2;T1+T2;K>0
;0;; 321 >∆∆∆ W;211 TT +=∆
א ٢٥٤ אא אאFE אאאא
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121
21
2 TTKTT +
=∆
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0
211
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012 =++ bss b>0 0123 =+++ csbssbc-1>0 01234 =++++ dscsbssbcd-d2-b2 >0 012345 =+++++ esdscsbssbcd+b-d2-b2e >0 0123456 =++++++ fsesdscsbss (bcd+bf-d2-b2e)e+b2c-bd-bc2f-f2+bfe+cdf >0
א ٢٥٤ אא אאFE אאאא
١٦٧
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אאW 633244)( 2345 +++++= ssssssq
١ JK ٢ J؟א
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אK ٢ JK
א ٢٥٤ אא אאFE אאאא
١٧٠
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GאW
١ J0)5)(2)(1(
)()( =+++
+=
ssssasKsG
W
)5)(2)(1(
)()5)(2)(1()5)(2)(1(
)(1)(1+++
+++++=
++++
+=+ssss
asKssssssss
asKsG
אאW0)10(178 234 =+++++ KasKsss ٢ JW
Ka17 1 s40 (K+10) 8 s3 Ka
Ka
=6
061
8
1268
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+
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0
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108
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K
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K KaKKaK
−
−
−
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+s1
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)1()(
++
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)5)(2( ++ sssK
R(s) Y(s)
אא
א
א ٢٥٤ אא אאFE אאאא
١٧١
٣ JאW
W12608
126≤⇒≥
− KK
W0≥Ka W064)126()10( ≥−−×+ KaKK
אessWess=A/Kv،10
)(lim0
KassGKsv ==→
،W
KaAess
10=K
אW%24=sseA42=Ka،F6.0,70 == aKEF84.0,50 == aKEאאא
24%K ٤W
אא،W 04)2(3 23 =++++ sKKss
KאאK GאWK>0.53 ٥W
אאאאאאאאW
אא אא 0152 =++ ss b>0
……………………………………………...012
413 =+++ sss bc-1>0
……………………………………………...01102 234 =++++ ssss bcd-d2-b2 >0
……………………………………………...01325 2345 =+++++ sssss bcd+b-d2-b2e >0
……………………………………………...0132 23456 =++++++ ssssss (bcd+bf-d2-b2e)e+b2c-bd-bc2f-f2+bfe+cdf >0
……………………………………………...
א ٢٥٤ אא אאFE אאאא
١٧٢
GאW אא אא
0152 =++ ss b=5>0 א
012413 =+++ sss bc-1=0.25×1-1=-0.75 <0
א 01102 234 =++++ ssss bcd-d2-b2=1×2×10-102-12= -81 <0
א 01325 2345 =+++++ sssss bcd+b-d2-b2e=30+5-32-52×1=1 >0
א 0132 23456 =++++++ ssssss (bcd+bf-d2-b2e)e+b2c-bd-bc2f-f2+bfe+cdf >0
(2+2-1-12)×3+4-2-2-1+6+1=-19<0 א
א ٢٥٤ א
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אFlow rate Forward path
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אOpen loop Output
אOver damping Over shoot
אPeak time אPerformance
אאPermanent response א،Pneumatic אPolynomial
אPotentiometer Process
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אResponse curve אאRise time
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אSeries אSet point
אSettling time אSignal transducer
אאStability אאStability criteria
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א،Tachometer אTime constant
אTime response Transducer
אאTransfer function אTransient response
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א ٢٥٤ אא
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١ Jאא JLא Jא J١٩٨٩א
٢ JIntroduction to control system technology- fifth editionאWRobert- N.BatesonWPrentice HallK
٣ JFeed back Control systemsא،WBruns and saundersWMc Graw-Hill 1995K
٤ JControl systems Engineering-third editionא،WNorman S.NiseWJohn Wiley & Sons, IncK
٥ JModern Control systemsא،WRICHARD C.DORF ROBERT H.BISHOP،WAddison-Wesley
א ٢٥٤ א
אאFE
א
אאWאאא
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