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 TRANSFER FUNCTION FORFEEDBACK CONTROL SYSTEM

•  The general feedback for!"#$l#%ed odel& #" "ho'n belo'()

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E*AM+LE

• +ro,e -he clo"ed)loo$ -ran"ferf.nc-#on !CLTF& of nega-#,e feedback"/"-e a" "ho'n belo' #"

.

)()(1

)(

 s H  sG

 sG

+

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 TRANSFER FUNCTION FORFEEDBACK CONTROL SYSTEM

• 0e ob-a#n -he e1.#,alen-2 or clo"ed)loo$ -ran"fer f.nc-#on !CLTF& "ho'nbelo'()

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BLOCK DIA3RAMS

• S.b"/"-e #" re$re"en-ed a" a block'#-h an #n$.-2 an o.-$.- and a TF4

• Co$o"ed of .l-#$le ".b"/"-e"4

• M.l-#$le ".b"/"-e" are #n-erconnec-ed2fe' ore "chea-#c eleen-" ."- beadded -o -he block d#agra4

• Ne' eleen-" are() – S.#ng 5.nc-#on"

 – +#cko6 $o#n-"

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CASCADE FORM

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+ARALLEL FORM

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FEEDBACK FORM

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7UI8 9

Red.ce -he abo,e block d#agra #n-o -he follo'#ng "#ngle #n$.- o.-$.- bloc

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MO:IN3 BLOCKS

a& To -he lef- $a"- a ".#ng 5.nc-#on

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MO:IN3 BLOCKS

b& To -he r#gh- $a"- a ".#ng 5.nc-#on

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MO:IN3 BLOCKS

c& To -he lef- $a"- a $#cko6 $o#n-

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MO:IN3 BLOCKS

d& To -he r#gh- $a"- a $#cko6 $o#n-

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MO:IN3 BLOCKS

• E;a$le

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MO:IN3 BLOCKS

• E;a$le !N#"e&()

 – Red.ce -he block d#agra "ho'n #n F#g4

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