beautypg.com

Chapter 3 icdm main window, Chapter 4 pid synthesis – National Instruments Xmath Interactive Control Design Module ICDM User Manual

Page 6

background image

Contents

Xmath Interactive Control Design Module

vi

ni.com

Graphically Manipulating Poles and Zeros..................................................... 2-13

Editing Poles and Zeros .................................................................... 2-13

Editing Poles and Zeros Graphically .............................................................. 2-14

Complex Poles and Zeros ................................................................. 2-14
Isolated Real Poles and Zeros........................................................... 2-14
Nonisolated Real Poles and Zeros and Almost Real Pairs ............... 2-14
Adding/Deleting Poles and Zeros..................................................... 2-15
Adding/Deleting Pole-Zero Pairs ..................................................... 2-15

Chapter 3
ICDM Main Window

Window Anatomy ......................................................................................................... 3-1

Communicating with Xmath ........................................................................... 3-2

Most Common Usage ....................................................................... 3-3
Default Plants ................................................................................... 3-3
Saving and Restoring an ICDM Session .......................................... 3-3
Reading Another Plant into ICDM ................................................... 3-3
Reading a Controller from Xmath into ICDM ................................. 3-4
Writing the Plant Back to Xmath ..................................................... 3-4
Writing the Alternate Plant back to Xmath ...................................... 3-4
Writing a Controller on the History List to Xmath .......................... 3-4

ICDM Plots ..................................................................................................... 3-5
Selecting Plots................................................................................................. 3-5

Ranges of Plots ................................................................................. 3-6
Plot Magnify Windows..................................................................... 3-7

Selecting a Synthesis or History Window ..................................................................... 3-9
Edit Menu ...................................................................................................................... 3-9

Chapter 4
PID Synthesis

Window Anatomy ......................................................................................................... 4-1
PID Controller Terms .................................................................................................... 4-1

Toggling Controller Terms On and Off .......................................................... 4-2
Opening the PID Synthesis Window .............................................................. 4-4

Manipulating the Controller Parameters ....................................................................... 4-4

Time Versus Frequency Parameters ............................................................... 4-5
Ranges of Sliders and Plots............................................................................. 4-5
Controller Term Normalizations ..................................................................... 4-5

Integral Term Normalization ............................................................ 4-5
Derivative Term Normalization........................................................ 4-6
Rolloff Term Normalization ............................................................. 4-6