=e 
0 
Le) 
fe 
Figure 2, 
Kaplan, Sargent and Goodman 
true value = 0. 
10 20 30 40 
t, sec. 
10 
1 
true value = 0. 
10 20 30 40 
t, sec. 
Estimation of parameters in second order system, 
transient response, 
1672 
A 
