s 4 + 2s 3 + 3s 2 + 8s + 3

(1)

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H (s) = 1 + s (s + 2)(s ² − 5s + 4)

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H ( s ) = 1

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H(s) = 5(2 − s)

s ⁴ + 3s ³ + 2s ² + 6s + 1

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H BO ( s ) = K s(s + 3)(s + 4)

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H BO (s) = K

s ³ + 5s ² + 8s + 5

y

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H BO (s) = K(1 + T s) s (1 + s )(1 + 0 . 5 s )

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H BO (s) = K

(1 + T s) , K > 0, T > 0

x

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H BO (s) = K

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H BO (s) = K

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H(s) = 1 + s

s ( s − 1)( s + 3)

C(s) = 1

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s 4 + 2s 3 + 3s 2 + 8s + 3

H (s) = 1 + s (s + 2)(s 2 − 5s + 4)

H ( s ) = 1

s 4 + 2s 3 + 3s 2 + 8s + 3

H(s) = 5(2 − s)

s 4 + 3s 3 + 2s 2 + 6s + 1

K

T

H BO ( s ) = K s(s + 3)(s + 4)

H BO (s) = K

s 3 + 5s 2 + 8s + 5

H BO (s) = K(1 + T s) s (1 + s )(1 + 0 . 5 s )

H ( s ) = 1

(1 + T s) 2

C ( s ) = 1 1 + nT s

K

K > 0

T > 0

n > 0

yc + −

K H(s)

C(s)

y

K

n

H BO (s) = K

(1 + T s) , K > 0, T > 0

H BO (s) = K

(1 + T 1 s )(1 + T 2 s ) , K > 0, T 1 > T 2 > 0

H BO (s) = K

s(1 + T s) , K > 0, T > 0

H BO (s) = K

s 2 (1 + T s ) , K > 0, T > 0

H BO (s) = K

s (1 + T 1 s )(1 + T 2 s ) , K > 0, T 1 > T 2 > 0

H(s) = 1 + s

s ( s − 1)( s + 3)

C(s) = 1

H (s) = 1 + s (s + 2)(s ² − 5s + 4)

s ⁴ + 2s ³ + 3s ² + 8s + 3

s ⁴ + 3s ³ + 2s ² + 6s + 1

s ³ + 5s ² + 8s + 5

(1 + T s) ²

s ² (1 + T s ) , K > 0, T > 0