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Chapter 3 System Evaluation
MATRIXx Xmath Robust Control Module 3-12 ni.com
Figure 3-8. Ill-Posed Feedback System
Example 3-4 Example of Closed-Loop System
a = 1;
b = [1,0,1];
c = b';
d = [0,0,0;0,0,1;0,1,0];
Sys = SYSTEM(a,b,c,d);
SysC = SYSTEM(-40,2.7,-40,0);
SysCL = clsys(Sys,SysC)
SysCL (a state space system) =
A
1 -40
2.7 -40
B
1 0
0 2.7
C
1 0
0 -40
D
0 0
0 0
X0
0
0
System is continuous
1
s
+
+
+ 1