National Instruments Order Analysis Toolset - Manual (Page 4)

© National Instruments Corporation v LabVIEW Order Analysis Toolset User Manual
Contents
About This Manual
How to Use This Manual ...............................................................................................vii
Conventions ...................................................................................................................vii
Related Documentation..................................................................................................viii
Chapter 1
Introduction to the LabVIEW Order Analysis Toolset
Overview of the LabVIEW Order Analysis Toolset......................................................1-1
Overview of the LabVIEW Order Analysis Start-Up Kit..............................................1-1
Important Considerations for the Analysis of Rotating Machinery...............................1-2
System Requirements ....................................................................................................1-3
Installation .....................................................................................................................1-3
Example VIs ..................................................................................................................1-4
Acquiring Data for Example VIs.....................................................................1-4
Configuring DAQ Hardware Used with Examples .........................................1-4
Acquire Data (Analog Tach) VI........................................................1-5
Acquire Data with PXI 4472 and TIO VI .........................................1-6
Chapter 2
Order Analysis
Order Analysis Definition and Application ...................................................................2-1
Order Analysis Basics....................................................................................................2-1
Effect of Rotational Speed on Order Identification .......................................................2-4
Constant Rotational Speed ..............................................................................2-4
Variable Rotational Speed...............................................................................2-6
Harmonic Analysis ..........................................................................................2-9
Order Analysis.................................................................................................2-9
Order Analysis Methods ................................................................................................2-9
Gabor Transform .............................................................................................2-10
Resampling ......................................................................................................2-13
Adaptive Filter.................................................................................................2-15