How can I synchronize two signals in Labview?

The first signal is a pulse index which gives the position of a reference point of the wheel (= 1 for 0 ° and signal = 0 for 1-360 °), and the second signal gives the total force meeting the wheel. The two signals have different sampling rates high. The first signal is always 360/rotation, but the second signal varies from cycle to cycle based on how fast the force is changing. The signals are in the form of two columns of numbers in an excel spreadsheet.

I would like to do such as Labview at the exit of the angular position of the reference at the time of the cycle where the wheel knows the maximum strength in degrees. Can anyone suggest a vi or a method that I might be able to use for this task? I am new to Labview, so any help is appreciated.

Hi Westerman,

I have a little trouble to understand the basics of what you're trying to do. A little more details would be very helpful pointing you in the right direction. If you want to align the timestamps/reference of the two signals time?

I've included a link to a document that describes generally how encoders (I guess that your pulse index indicates that you are using an incremental encoder) can be used in LabVIEW.

http://www.NI.com/white-paper/7109/en

You should also try the search the forums for questions relating to the use of a rotary encoder in LabVIEW. I was able to find several with the included code example.

Feel free to provide us with a few details and we'll help guide you.

Andy C.

Technical sales engineer

National Instruments

Tags: NI Software

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