Dynamics and Control

Lecture 8 - Proportional-Integral-Derivative Control

For Lecture 8 we'll complete our discussion of PID controllers by adding the derivative term. The main points of this lecture for derivative action include:

• Derivative action is typically on the PV not the Error
• Derivative action helps to dampen oscillations by slowing down a controller action that is moving the PV too quickly to Setpoint (SP).
• Derivative action can create undesirable response with significant measurement noise
• Lecture 8 Class Notes

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