Chapter 12
LQG/H-Infinity Synthesis
©
National Instruments Corporation
12-3
Xmath Interactive Control Design Module
descriptions are for the control cost parameter display. The noise level
display is similar in appearance.
•
A table with
n
u
rows, having in each row:
–
A toggle button to include the input in the set of control inputs
–
A toggle button to include the input in the set of costed inputs,
labeled with the signal name
–
A slider defining the constant weight factor of the input:
–
A variable edit box for the same constant weight factor
Figure 12-2.
LQG/H-Infinity Weights Window
•
A slider representing the logarithmic average of the input weights (
ρ
u
),
that is,
ρ
u i
,
i
1
=
…
n
u
,
, ,
ρ
u
log
1
n
u
-----
ρ
u i
,
log
i
1
=
n
u
∑
=
