A 1.3.6 to A 1.3.7 Control Systems and Their Applications (HL only)
A control system measures what is happening, compares it against a target and acts to reduce the difference, a single loop that sits behind a thermostat holding a room at 20°C and behind a self-driving car keeping its lane. This lesson describes the five components and the open- and closed-loop distinction, then explains how the same loop reappears across real applications. It is higher level only and spans two...