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Simulation of Dynamic Systems with MATLAB and Simulink, 2nd Edition
book

Simulation of Dynamic Systems with MATLAB and Simulink, 2nd Edition

by Harold Klee, Randal Allen
April 2016
Intermediate to advanced content levelIntermediate to advanced
815 pages
31h 29m
English
CRC Press
Content preview from Simulation of Dynamic Systems with MATLAB and Simulink, 2nd Edition
The transfer function relating elevator input to aircraft pitc h is therefore
G
Du
Dde
(s) ¼
Du(s)
Dde(s)
¼
0:0141s
2
0:0097s 0:0005
s
4
þ 1:2700s
3
þ 0:9247s
2
þ 0:0406s þ 0:0125
(4:737)
Factoring the numerator and denominator gives
G
Du
Dde
(s) ¼
Du(s)
Dde(s)
¼
K
u
(s þ c
1
)(s þ c
2
)
(s
2
þ a
1
s þ b
1
)(s
2
þ a
2
s þ b
2
)
(4:738)
The constants in Equation 4.738, computed in M-le ‘‘Chap4_CaseStudy1.m,’’ are
K
u
¼0:0141, c
1
¼ 0:6358, c
2
¼ 0:0542, a
1
¼ 1:2440, a
2
¼ 0:0260,
b
1
¼ 0:8780, b
2
¼ 0:0143
The quadratic factors in the denominator of Equation 4.738 are both underdamped, regard less of
whether the aircraft is a small passenger plane, a commercial jet, or a high-performance mil itary
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Publisher Resources

ISBN: 9781439836736