National Instruments Xmath Interactive Control Design Module ICDM - Manual (Page 100)

Chapter 12 LQG/H-Infinity Synthesis
Xmath Interactive Control Design Module 12-6 ni.com
value. If a lower bound on the minimal value of
γ is known, it also is
displayed.
Figure 12-4. LQG/H-Infinity Performance Level Window
Frequency Weights Window
The Frequency Weights window is shown in Figure 12-5 . From top to
bottom, it consists of:
• A menu bar with entries Special, Edit, View, and Help.
• A plot area with two plots:
– A plot that shows the poles and zeros of the selected input or
output weight transfer function. The user can grab and drag the
poles and zeros to new locations.
– A plot with the frequency response magnitude of the weight
function.