Closed Loop Control Part B

Question 1

How can you tell if the process is linear or not just by looking at the gain?

Answer 1

The gain of a linear process will be similar in all operating regions

Question 2

Describe transfer function behavior in a non-linear plant.

Answer 2

Will be slightly different in different operation regions

Question 3

What are the 3 ways to deal with non-linearity?

Answer 3

1) Component matching
2) Adaptive gain control/gain scheduling
3) Detuning/acceptance
4) Multipoint characterization