How can I perform a FFT on a time domain waveform in simulink??

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Good day, I am Olando Fraser a year 3 Electrical and Computer Engineering student at the Univeristy of the West Indies, St Augustine Campus. I am using the simulink software for my final year project and I need some assistance. I am simulating a BLDC motor but I need to run a FFT on the waveform in matlab. How can i save the simulink waveform in some data file to perform the FFT in matlab??. Please help.

回答(1 个)

Vaibhav Awale
Vaibhav Awale 2016-1-13
Hi,
Simulation data can be saved to MATLAB workspace by using a "To workspace" block or by right clicking on signal, navigating to properties and checking the "Log signal data" check-box.
Refer to following link for more information:
Regards,
Vaibhav
  3 个评论
Olando  Fraser
Olando Fraser 2016-1-15
Good Day, the document is saved to the workspace currently. Can i do a FFT directly or i need to save the variables in a mat.file then call the file as a function?? any feedback will be appreciated.
Vaibhav Awale
Vaibhav Awale 2016-1-15
You can use the variable from your workspace directly in your FFT function.

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