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impact test force

I am newbie in labviewprogramming. Then I have enquiries about my project which is using labview. I amusing impact test with NI DAQ 6251, impact hammer B&K 8200 andaccelerometer B&K 4371 then attach it in a structure. I have done somenecessary setting and it works. I can get some graphical result for magnitude (dbchecked) phase, coherence and others are works too. But, it is very important to meto get the value of the force when I hit the structure with the hammer. I shouldget this force value, to make the amplitude respond from accelerometer relativelycompared by the force. Can any one helpme what should I do with – especially – the labview program, so that it canresult in the force data. Then, how to get the value of the amplitude per force(m/N, in Y axis) versus the frequency (in x-axis) in a graph/chart. I really needyour help for my research.
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Hi rayen,

 

Can you explain more what you mean when you say you are reading magnitude, phase and coherence? What type of sensors are you reading from?  Are you reading a analog voltage signal?  If you know the mass of the hammer and can read the acceleration, the product of the two would be the force (F=ma).  

 

Can you post what you have so far in your VI?

 

 

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recommend that you refer to related discussion:

http://forums.ni.com/ni/board/message?board.id=231&message.id=1258&requireLogin=False

Doug
Enthusiast for LabVIEW, DAQmx, and Sound and Vibration
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