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Automatic sheet 01 laplace-partail_fraction
1. BENHA UNIVERSITY Automatic control Faculty of engineering
system analysis
Sheet (1)
Industrial engineering department Level: 2 code: IND 210
1- Find the Laplace transform of the following time functions:
(a) y(t) = 7 + 5t
(b)c(t) = 3 (1-e-t)
(c) f(t) = t2 + 2 sin 4t
(d)f(t) = - 5 e-3t cos 5t
Dr.-Ing. Mohamed Saber Sokar
2. BENHA UNIVERSITY Automatic control Faculty of engineering
system analysis
Sheet (1)
Industrial engineering department Level: 2 code: IND 210
2- Find the inverse Laplace of the following system;
10
2-I) F ( s)
( s 1) ( s 2)
( s 5)
2-II) F ( s)
s ( s 1) ( s 2)
Dr.-Ing. Mohamed Saber Sokar
3. BENHA UNIVERSITY Automatic control Faculty of engineering
system analysis
Sheet (1)
Industrial engineering department Level: 2 code: IND 210
3- Solve the following differential equation using Laplace transform;
3-I)
x(t ) 2 x(t ) 8 , where;
a) x(0+) = 0 b) Resolve when x(0+) = 1
3-II) (t ) 3 x(t ) 2 x(t ) 6 , where; x(0+) = 1, and
x
x(0 ) 0
Dr.-Ing. Mohamed Saber Sokar
4. BENHA UNIVERSITY Automatic control Faculty of engineering
system analysis
Sheet (1)
Industrial engineering department Level: 2 code: IND 210
3-III) (t ) 2 x(t ) 2 x(t ) 8 , where; x(0+) = 0,
x and
x(0 ) 0
3-IV) (t ) 4 x(t ) 8 , where; x(0+) = 0, and
x
x(0 ) 0
Dr.-Ing. Mohamed Saber Sokar
5. BENHA UNIVERSITY Automatic control Faculty of engineering
system analysis
Sheet (1)
Industrial engineering department Level: 2 code: IND 210
4- Find the inverse Laplace of the following functions
2.25
4-I) C(s) =
(s 3.5)( s 2 7 s 12.25)
2
n
4-II) C(s) = 2
; for ζ<1
s (s 2 2 ns n )
Dr.-Ing. Mohamed Saber Sokar
6. BENHA UNIVERSITY Automatic control Faculty of engineering
system analysis
Sheet (1)
Industrial engineering department Level: 2 code: IND 210
5) Determine the inverse Laplace transformation for the following functions
75
C ( s) 2
(s 4s 13) ( s 6)
Dr.-Ing. Mohamed Saber Sokar