Fundamentals Of Control Theory: An Intuitive Ap... -

"The Past." If you’ve been slightly off the goal for a long time, this adds up the "history" of the error and gives an extra nudge to eliminate steady-state offset.

Critically Damped: The door closes as fast as possible without swinging. This is usually the "Goldilocks" zone for engineers. 5. Transfer Functions (The "Black Box") Fundamentals of Control Theory: An Intuitive Ap...

It’s a mathematical "filter." You put an input in, and the transfer function tells you how the output will be shaped. "The Past

"The Present." The harder you are from the goal, the harder you push. If the error is big, the response is big. If the error is big, the response is big

You set a timer on a toaster. It toasts for 2 minutes regardless of whether the bread is frozen or already burnt. No feedback.