Matlab Level 2

7/21/2019 Matlab Level 2

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MATLABlevel 2

By

Ahmad A.Elhakeem Moustafa

Alexandria University

Faculty of EngineeringElectrical Engineering Department

Poer !ection



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1. Introductioni. Why SIMULINK?

ii. Opening SIMULINK

2. The commonly used loc!s

". #ddition$l loc!s

%. Sim&o'erSystems toolo(i. )uilding $nd Simul$ting $ Simple *ircuit

ii. )$sic &rinciples o+ *onnecting *$p$citors $nd Inductors

iii. Sep$r$tely e(cited ,* m$chines modeling

i-. M$chines simul$tion-. &o'er electronics simul$tion

. *ontrol

i. &I, controller

ii. ,* motor speed modeling in SIMULINK



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Introduction/Why SIMULINK?

oWe 'ill $ns'er 'ith this e($mple.

o0($mple consider the +ollo'ing circuit/

o With 3ero initi$l inductor current 4 5. 6 initi$l c$p$citor -olt$ge.



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oSo the SIMULINK 'ill help you to $n$ly3e it e$sily.

o)ut ho'?

i. Using Sim&o'erSystems toolo(.

ii. Modeling its di++erenti$l e7u$tions.

iii. 8



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oUsing Sim&o'erSystems toolo(.o )uild your model.

o See the results.



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oModeling its di++erenti$l e7u$tions.

o )uild your model.

o See the results.



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"s it important &''



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Introduction/Opening SIMULINK

oOpen M#TL#)

oOn the M#TL#) screen select SIMULINK or 'rite

simulin! in the comm$nd 'indo'.

o9ou 'ill see the Simulin! Lir$ry )ro'ser.



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Introduction/Opening SIMULINK

o&ress ne' to open $ ne' p$ge to st$rt your

simul$tion.

oSelect your loc!s +rom the Simulin! Lir$ry

)ro'ser.



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The commonly used loc!sThe lir$ry cont$ins the sho'n/



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The commonly used loc!s

1 The Inport: Outport: $nd Susystem )loc!s

; 0($mple/; See the pre-ious e($mple/



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; 0($mple/; <roup $ll loc!s 'ithout Step 4 Scope loc!s $nd right

clic! on them then select *re$te Susystem.



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; 0($mple/; ,oule clic! on the Susystem loc!.



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2 The <round )loc!

; used to connect loc!s 'hose input ports $re not connected

to other loc!s.

" The Termin$tor )loc!

; used to c$p loc!s 'hose output ports $re not connected to

other loc!s.



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% The *onst$nt $nd &roduct )loc!s

; The *onst$nt loc! is used to de+ine $ re$l or comple(

const$nt -$lue.

; The &roduct loc! per+orms multiplic$tion = or di-ision > o+

its inputs.

; 0($mple



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The Scope :)us *re$tor $nd )us Selector )loc!s

; The Scope loc! displ$ys '$-e+orms $s +unctions o+

simul$tion time.

; )us *re$tor loc!s to cre$te sign$l uses $nd )us Selector

loc!s to $ccess the components o+ $ us.



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The Scope :)us *re$tor $nd )us Selector )loc!s; 0($mple



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The Scope :)us *re$tor $nd )us Selector )loc!s; Sin '$-e 8 1=sin2t

; The integr$l o+ the sine '$-e $ppe$rs 'ith $ ,* component

o+ -$lue 5. eing $dded to it.



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The Scope :)us *re$tor $nd )us Selector )loc!s; Note +or the Scope

; Output is limited to the l$st 555 point y de+$ult

; ,$t$ could e sent to 'or!sp$ce put it in $ -$ri$le.



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The Mu( $nd ,emu( )loc!s

; Mu( loc! comines its inputs into $ single output.; ,emu( loc! e(tr$cts the components o+ $n input sign$l $nd

outputs the components $s sep$r$te sign$ls.



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The Mu( $nd ,emu( )loc!s; 0($mple



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@ The S'itch )loc!

; The S'itch loc! 'ill output the +irst input or the third input

depending on the -$lue o+ the second input .



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A The Sum )loc!

; This loc! per+orms $ddition or sutr$ction on its inputs.

B The <$in )loc!

; The <$in loc! multiplies the input y $ const$nt -$lue

g$in.



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15 The Cel$tion$l Oper$tor )loc!

; The Cel$tion$l Oper$tor loc! per+orms the speci+iedcomp$rison o+ its t'o inputs.

11 The Logic$l Oper$tor )loc!

; The Logic$l Oper$tor loc! per+orms the speci+ied logic$l

oper$tion on its inputs.



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12 The S$tur$tion )loc!

; The S$tur$tion loc! est$lishes upper $nd lo'er ounds +or$n input sign$l.

; 0($mple



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1" The Integr$tor )loc!

; The Integr$tor loc! integr$tes its input $nd it is used 'ithcontinuousDtime sign$ls.

; *on+igur$tion p$r$meters



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1" The Integr$tor )loc!; *on+igur$tion p$r$meters

Ceset condition

0n$le e(tern$l source

+or initi$l condition

Initi$l condition -$lue

Output s$tur$tion

con+igur$tion



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1% The Unit ,el$y )loc!

; The Unit ,el$y loc! del$ys its input y the speci+ied s$mpleperiod.

; 0($mple



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The commonly used loc!s1% The ,iscreteDTime Integr$tor )loc!

; The ,iscreteDTime Integr$tor loc! $llo's us to/

; ,e+ine initi$l conditions intern$l or input.

; ,e+ine $n input g$in K -$lue.

; Output the loc! st$te.; ,e+ine s$tur$tion -$lues.

; Ceset input.



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The commonly used loc!s1 ,$t$ Types $nd The ,$t$ Type *on-ersion )loc!

; )uiltDin d$t$ types supported y SIMULINK



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The commonly used loc!s1 ,$t$ Types $nd The ,$t$ Type *on-ersion )loc!

; The ,$t$ Type *on-ersion loc! con-erts $n input sign$l o+$ny SIMULINK d$t$ type to the d$t$ type

; 0($mple



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#ddition$l loc!sThe St$teDSp$ce )loc! *ontinuous lir$ry

; The St$teDSp$ce loc! implements $ system de+ined y thest$teDsp$ce e7u$tions.



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#ddition$l loc!sThe Tr$ns+er Ecn )loc! *ontinuous lir$ry

; The Tr$ns+er Ecn loc! implements $ tr$ns+er +unction.



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#ddition$l loc!sThe FeroD&ole )loc! *ontinuous lir$ry

; The FeroD&ole loc! implements $ system 'ith the speci+ied

3eros: poles: $nd g$in in the sDdom$in.



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#ddition$l loc!sThe S$tur$tion ,yn$mic )loc! ,iscontinuous lir$ry

; The S$tur$tion ,yn$mic loc! ounds the r$nge o+ the input

sign$l to upper $nd lo'er s$tur$tion -$lues.



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#ddition$l loc!sThe ,e$d Fone )loc! ,iscontinuous lir$ry

; The ,e$d Fone loc! gener$tes 3ero output 'ithin $

speci+ied region: c$lled its de$d 3one.

; 0($mple de$d 3one 5. : G5.



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#ddition$l loc!sThe ,e$d Fone ,yn$mic )loc! ,iscontinuous

lir$ry

; The ,e$d Fone ,yn$mic loc! dyn$mic$lly ounds the

r$nge o+ the input sign$l: pro-iding $ region o+ 3ero output.



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#ddition$l loc!sThe C$te Limiter )loc! ,iscontinuous lir$ry

; The C$te Limiter loc! limits the +irst deri-$ti-e o+ the sign$l

p$ssing through it.

; 0($mple



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#ddition$l loc!sThe Hu$nti3er )loc! ,iscontinuous lir$ry

; The Hu$nti3er loc! p$sses its input sign$l through $

st$irDstep +unction.

; 0($mple



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#ddition$l loc!sThe it *rossing )loc! ,iscontinuous lir$ry

; The it *rossing loc! detects 'hen the input re$ches the

it crossing o++set

; 0($mple



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#ddition$l loc!sThe Integer ,el$y )loc! ,iscrete lir$ry

; The Integer ,el$y loc! del$ys its input y N s$mple periods.

; 0($mple



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#ddition$l loc!sThe ,iscrete Tr$ns+er Ecn )loc! ,iscrete lir$ry

; The ,iscrete Tr$ns+er Ecn loc! implements the FDtr$ns+orm

tr$ns+er +unction.



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Sim&o'erSystems toolo()uilding $nd Simul$ting $ Simple *ircuit/

Simul$te the +ollo'ing circuit/



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Sim&o'erSystems toolo()$sic &rinciples o+ *onnecting *$p$citors $nd

Inductors/; # -olt$ge source to e connected in p$r$llel 'ith $ c$p$citor.



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Inductors/; # -olt$ge source to e connected in p$r$llel 'ith $ c$p$citor.

; #dd $ sm$ll resist$nce in series et'een the -olt$ge

source $nd the c$p$citors.



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Inductors/; # current source to e connected in series 'ith $n inductor.



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Inductors/; # current source to e connected in series 'ith $n inductor.

; #dd $ l$rge resist$nce in p$r$llel 'ith the inductor.



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Sim&o'erSystems toolo(Sep$r$tely e(cited ,* m$chines modeling

Method1 open loop



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Method2 open loop



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*losed loop



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Sim&o'erSystems toolo(M$chines simul$tion



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,* m$chines



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,* m$chines

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,* m$chines

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,* m$chines

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,* m$chinesSt$rting using st$rting resist$nces



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,* m$chinesSt$rting using st$rting resist$nces

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#* m$chines Induction m$chines

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#* m$chinesSynchronous m$chines

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Sim&o'erSystems toolo(&o'er electronics simul$tion

Single ph$se h$l+ '$-e recti+ier uncontrolled

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Single ph$se h$l+ '$-e recti+ier uncontrolledWith $ EW,

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Single ph$se h$l+ '$-e recti+ier uncontrolledWithout $ EW,

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Single ph$se h$l+ '$-e recti+ier controlled

Eiring control

Eiring $ngle

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Single ph$se h$l+ '$-e recti+ier controlledEor $lph$J5

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Single ph$se h$l+ '$-e recti+ier controlledEor $lph$J%

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Single ph$se h$l+ '$-e recti+ier controlledEor $lph$J125

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Single ph$se +ull '$-e recti+ier uncontrolled

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Single ph$se +ull '$-e recti+ier uncontrolled

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Single ph$se +ull '$-e recti+ier +ully controlled

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Three ph$se h$l+ '$y recti+ier +ully controlled

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Three ph$se +ull '$y recti+ier h$l+ controlled

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Three ph$se +ull '$y recti+ier +ully controlled

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#* -olt$ge controller

In-erters

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*ontrol&I, controller

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*ontrol&I, controller

# proportion$l controller Kp 'ill h$-e the e++ect o+ reducing the rise

time $nd 'ill reduce ut ne-er elimin$te the ste$dyGst$te error . #n integr$l control Ki 'ill h$-e the e++ect o+ elimin$ting the ste$dyG

st$te error: ut it m$y m$!e the tr$nsient response 'orse. # deri-$ti-e control Kd 'ill h$-e the e++ect o+ incre$sing the

st$ility o+ the system: reducing the o-ershoot: $nd impro-ing the

tr$nsient response.

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*ontrol,* motor speed modeling in SIMULINK

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J5.51

J5.1

KJ5.51

CJ1

LJ5.

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0(tr$cting $ line$r model into M#TL#)

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#:):*:,JlinmodP,*motorQmodelingP

# J

G15.5555 1.5555

G5.5255 G2.5555

) J

5

2

* J

1 5

, J

5



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stepnum:den

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sysJt+num:den

Tr$ns+er +unction/

2

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sR2 12 s 25.52

rlocussys

$(isG22 " G1 1

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3et$J5.A

WnJ2

sgrid3et$: Wn

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!:poles J rloc+indsys

Select $ point in the gr$phics 'indo'

selectedQpoint J

G.B@1 1.5@1%i

! J

A."@

poles J

G.5555 1.5@12i

G.5555 G 1.5@12i

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*ontrol

,* motor speed modeling in SIMULINK 0(tr$cting $ line$r model into M#TL#)

sysQclJ +eed$c!!=sys:1

Tr$ns+er +unction/

[email protected]"

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sR2 12 s "@.1

stepsysQcl

Documents

Matlab Level 2