Filter
Top Products
Contents
MATRIXx Xmath Robust Control Module vi ni.com
Chapter 3
System Evaluation
Singular Value Bode Plots............................................................................................. 3-1
L Infinity Norm (linfnorm)............................................................................................ 3-3
linfnorm( ) ....................................................................................................... 3-4
Singular Value Bode Plots of Subsystems .................................................................... 3-7
perfplots( )....................................................................................................... 3-7
clsys( ) ............................................................................................................. 3-10
Chapter 4
Controller Synthesis
H-Infinity Control Synthesis ......................................................................................... 4-1
Problem Definition.......................................................................................... 4-1
Extended Transfer Matrix ............................................................................... 4-2
Building the Plant Model ................................................................................ 4-3
Weight Selection ............................................................................................. 4-5
Restrictions on the Extended Plant ................................................................. 4-7
hinfcontr( ) ...................................................................................................... 4-8
singriccati( ) .................................................................................................... 4-13
Linear-Quadratic-Gaussian Control Synthesis .............................................................. 4-14
LQG Frequency Shaping ................................................................................ 4-14
fsregu( ) ........................................................................................................... 4-14
fsesti( )............................................................................................................. 4-16
fslqgcomp( ) .................................................................................................... 4-17
Frequency-Shaped Control Design Commands.............................................. 4-17
Loop Transfer Recovery (lqgltr) ................................................................................... 4-22
lqgltr( ) ............................................................................................................ 4-23
Appendix A
Bibliography
Appendix B
Technical Support and Professional Services
Index