engine thrust input it is simply necessary to replace the subscript ηwith τ.
Common denominator polynomial Δ(s)=as
4
+bs
3
+cs
2
+ds+e
amI
y
0
m−
◦
Z
˙w
1
b
I
y
0
◦
X
u
◦
Z
˙w
−
◦
X
˙w
◦
Z
u
1
−mI
y
0
◦
X
u
+
◦
Z
w
1
−mM
w
0
◦
Z
q
+mU
e
1
−m
◦
M
q
0
m−
◦
Z
˙w
1
c
+I
y
◦
X
u
◦
Z
w
−
◦
X
w
◦
Z
u
+
◦
X
u
◦
M
˙w
−
◦
X
˙w
◦
M
u
0
◦
Z
q
+mU
e
1
+
◦
Z
u
0
◦
X
˙w
◦
M
q
−
◦
X
q
◦
M
˙w
1
+
0
◦
X
u
◦
M
q
−
◦
X
q
◦
M
u
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month, and much more.