Start-up 103
Correcting zero-speed noise in the velocity response
The following graph shows a response where there is very little overshoot but a
significant amount of zero-speed noise. This can cause undesirable humming or
ringing in the motor.
1. Go to the Fine-tuning window's Velocity tab.
To reduce the amount of noise, click Calcul
ate... and decrease the bandwidth
using the slider control. Alternatively, type a smaller value in the Bandwidth box.
Click OK to close the Bandwidth dialog.
2. Click Go to start the test move. Mint
WorkBench performs the test move and
displays a graph of the result.
Zero-speed noise:
Measured
velocity
Demand
velocity
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