Rub and Buzz Measurement (DAQmx)
PrintOverview
Two VIs are included with this document:
- Rub and Buzz Measurement Example (DAQmx)
- Rub and Buzz Analysis VI
This Virtual Instrument is designed to work with data acquisition hardware from National Instruments. To find compatible hardware for this application, visit ni.com/soundandvibration.
This software is written in LabVIEW, a graphical programming language designed for scientists and engineers. For more information about LabVIEW, visit ni.com/labview.
Sound and Vibration Developers Library
The NI Sound and Vibration Developers Library is your one-stop online resource for learning about and downloading code for acoustic analysis, machine diagnostics and audio test functions. On this page, you will find links to detailed tutorials, application notes, example programs, and analysis function descriptions.
More information on National Instruments signal processing can be found at the Signal Processing Resource Center.
Table of Contents
Downloads
Filename: rub_and_buzz.vi
Requirements: View
Filename: rub_and_buzz-daqmx.vi
Requirements: View
About Rub and Buzz Measurements
Rattle noise or rub and buzz are part of a class of non-linear, irregular, impulsive and unwanted distortion effects, which are not normally found with regular units under test (UUTs), rather they are typically produced by mechanical and structural defects in the UUT. Due to short pulses of very low energy traditional testing and analysis methods like RMS-FFT and Total Harmonic Distortion (THD) are not useful. More information included a detailed case study is available in the Rub & Buzz and High Order Harmonic Analysis Tutorial.
Front Panel Screens
These are pictures of the VI's front panel tabbed content. To view the block diagram and additional documentation, download the attached file.
This example requires LabVIEW and the Sound and Vibration Measurement Suite. If you do not have access to these, you can always try them out online at the LabVIEW Online Evaluation.
Rub and Buzz Analysis Function VI
Rub and Buzz DAQmx Example VI
.JPG)
Related Links
Requirements
Filename: rub_and_buzz.vi
Software Requirements
Application Software: LabVIEW Full Development System 8.5
Toolkits and Add-Ons: LabVIEW Sound and Vibration Toolset 6.0
Language(s): LabVIEW
Hardware Requirements
Hardware Group: Dynamic Signal Analyzers (DSA)
Hardware Model: PCI-4461, PCI-4462, PXI-4462 eHM, PXI-4461 eHM, PXI-4462, PXI-4461
Driver: NI-DAQmx 8.5
Software Requirements
Application Software: LabVIEW Full Development System 8.5
Toolkits and Add-Ons: LabVIEW Sound and Vibration Toolset 6.0
Language(s): LabVIEW
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Legal
This example program (this "program") was developed by a National Instruments ("NI") Applications Engineer. Although technical support of this program may be made available by National Instruments, this program may not be completely tested and verified, and NI does not guarantee its quality in any way or that NI will continue to support this program with each new revision of related products and drivers. THIS EXAMPLE PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND AND SUBJECT TO CERTAIN RESTRICTIONS AS MORE SPECIFICALLY SET FORTH IN NI.COM'S TERMS OF USE (http://ni.com/legal/termsofuse/unitedstates/us/).