Implement vibration test control system, in MATLAB for National Instrument equipment

Implement vibration test control system, in MATLAB for National Instrument equipment

Finding non-linearity is a common application of modal testing but in this way, there is a need to control the input signal. Nowadays, commercial data acquisition software is not enough flexible in controlling the applied signals, whereas MATLAB as general software which supports National Instrument...

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Bibliographic Details
Main Authors: Fakharian, Fatemeh, Nafisi, Ali
Format: Others
Language:English
Published: Linnéuniversitetet, Institutionen för teknik, TEK 2011
Subjects:
MATLAB
Data Acquisition Toolbox
Modal test
National Instrument
closed loop controlling
Mechanical engineering
Maskinteknik
Online Access:http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-27294
Description
Summary:Finding non-linearity is a common application of modal testing but in this way, there is a need to control the input signal. Nowadays, commercial data acquisition software is not enough flexible in controlling the applied signals, whereas MATLAB as general software which supports National Instrument makes it possible to run modal test and control input signal via closed-loop controlling. In this work, using MATLAB commands, a modal test is run with a stepped-sine excitation and the input is controlled to achieve desired pure sinusoidal excitation which commonly is used in finding the non-linearity.

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