### 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
- Artificial Pancreas Case Study
- Artificial Pancreas Project Video

#### Homework

- Course reading for next class: 12.3.2-12.3.4 (PDC).
- Assignment due by the start of Lecture #8: SP6

Don't forget to write the purpose at the beginning of each homework problem. This will help you think about each problem in the context of the overall course objectives.

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