Version 1.0, August 31, 2001, Copyright, Hugh Jack 1993-2001

7.1 CONTROL SYSTEMS

· Control systems use some output state of a system and a desired state to make control decisions.

· In general we use negative feedback systems because,

- they typically become more stable
- they become less sensitive to variation in component values
- it makes systems more immune to noise

· Consider the system below, and how it is enhanced by the addition of a control system.

· Some of the things we do naturally (like the rules above) can be done with mathematics

7.1.1 PID Control Systems

7.1.2 Analysis of PID Controlled Systems With Laplace Transforms

7.1.3 Manipulating Block Diagrams

7.1.4 Finding The System Response To An Input

7.1.5 System Response

7.1.6 A Motor Control System Example

7.1.7 System Error

7.1.8 Controller Transfer Functions