Chapter 1 Introduction
© National Instruments Corporation 1-5 Xmath Control Design Module
ssys (a state space system) =
A
-0.4 0 -0.01
1 0 0
-1.4 9.8 -0.02
B
6.3
0
9.8
C
0 0 1
D
0
X0
0
0
0
State Names
-----------
Pitch Rate Pitch Angle Horizontal v
Input Names
-----------
Rotor Angle
Output Names
------------
Horizontal v
System is continuous
Use check( ) to convert the model to transfer-function form:[,Gs] = check(ssys,{tf,convert})
Gs (a transfer function) =
2
9.8(s - 0.5s + 6.3)
-----------------------------------------
2
(s + 0.656513)(s - 0.236513s + 0.149274)
initial integrator outputs
0
0
0