The difference between what you want and what is actually happening.
If you poke a system, does it return to equilibrium or blow up? A stable system settles; an unstable one oscillates wildly or accelerates to destruction. Damping: Think of a door closer. Underdamped: The door swings back and forth before closing. Overdamped: The door takes forever to close. 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. The difference between what you want and what
This guide breaks down the core concepts of from an intuitive perspective, moving away from dense calculus and into the logic of how systems behave. 1. The Core Idea: The "Thermostat" Logic Damping: Think of a door closer