John Shaw's Web Page has moved!
My process control information can be found at my new site:
You should automatically be sent there in a few seconds. If not, click on the
above link,
or one of the following links:
Tutorial on the PID control
loop and tuning
Explanation of the PID control
algorithm
Sample Code for a typical industrial
controller PID algorithm
The Ziegler-Nichols Closed Loop tuning method