Rockwell Automation T6200 Compressor Anti-Surge and Capacity Controller User Manual
Page 113
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Control Primer
7-11
Proportional-Plus-Integral-Plus-Derivative (PID) Action
Proportional-plus-integral-plus-derivative action is a combination of all three actions (Figure 7-8). It
is the most complicated type of controller and does not have many practical applications. It has good
control ability, fast response time and no offset, but is very difficult to tune.
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