A question about MATLAB library "vibration of rotary machinery"
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My question is about vibration of rotary machinery:
The author claims the wavforms correponding to input shaft, output shaft, and gear mesh measured by sensors can be reported as:
vfIn = 0.4*sin(2*pi*fPin*t); % Pinion waveform
vfOut = 0.2*sin(2*pi*fGear*t); % Gear waveform
vMesh = sin(2*pi*fMesh*t); % Gear-mesh waveform
A1 sensor can measure vfOut.
A2 sensor can measure vMesh.
But how can you measure vfIn?