National Instruments Xmath Interactive Control Design Module ICDM User Manual page 8

Contents
Manipulating the Design Parameters............................................................................. 7-7
Manipulating the Design Parameters Graphically .......................................... 7-7
Ranges ............................................................................................................. 7-8
Chapter 8
H-Infinity Synthesis
H-Infinity Synthesis Window Anatomy........................................................................ 8-1
Opening the Synthesis Window .................................................................................... 8-3
Setup and Synthesis Method ......................................................................................... 8-3
Central H-Infinity Controller .......................................................................... 8-4
Output Weight Editing .................................................................................... 8-5
Manipulating the Design Parameters............................................................................. 8-6
Manipulating the Weight Transfer Function................................................... 8-6
Infeasible Parameter Values............................................................................ 8-6
Ranges ............................................................................................................. 8-7
Chapter 9
History Window
Saving the Current Controller on the History List ........................................................ 9-1
Opening the History Window........................................................................................ 9-1
History Window Anatomy ............................................................................................ 9-1
Selecting the Active Controller ..................................................................................... 9-2
Editing the Comments ................................................................................................... 9-2
Deleting History List Entries......................................................................................... 9-3
To Continue Designing from a Saved Controller.......................................................... 9-3
Cycling Through Designs.............................................................................................. 9-3
Writing a Saved Design to Xmath................................................................................ 9-3
Using the History List ................................................................................................... 9-4
Chapter 10
Alternate Plant Window
Role and Use of Plant and Alternate Plant .................................................................... 10-1
Displaying the Alternate Plant Responses..................................................................... 10-1
Alternate Plant Window Anatomy ................................................................................ 10-2
Opening the Alternate Plant Window............................................................................ 10-3
Normalization ................................................................................................................ 10-4
Manipulating the Parameters......................................................................................... 10-4
Using the Alternate Plant Window................................................................................ 10-5
Robustness to Plant Variations ....................................................................... 10-5
Adding Unmodeled Dynamics........................................................................ 10-5
Ranges of Sliders and Plot .............................................................................. 10-6
Xmath Interactive Control Design Module viii ni.com