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Unread 30-01-2013, 11:49
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Re: Velocity PID Programming: Terms dependent on time

Quote:
Originally Posted by Tom Line View Post
Ok, I made a couple edits to the original post in the hopes of preventing someone who stubles onto this thread to use the first, incorrect one.

Please double check my writing on the 'corrected' pseudocode.
You left out the "int" calculation

Code:
Correct pseudocode
Prop = (setpoint - measured_value) * Prop Gain
Der = (error - previous_error)/dt * Der Gain
Feed_Forward = Last_Output
Output = prop + int + Feed_Forward