1. CONTINUOUS CONTROL• A controlled system includes, - a basic system that does not achieve objectives by normal means - for our purposes a mathematical model a such a system is very important. - some objective for the operation of the system. - a controller that is matched to system, and tuned to meet the control objective. • Objectives for control systems might include, • The systems below are often directed by control systems. 
- Neither of these systems have controls. - They both have inputs, and outputs. - The output is not always something exiting the system. eg. the water tank height - We can treat these systems with ‘black boxes’ with lumped parameters. • All of the inputs and outputs are expressed as physical quantities (as will be seen later). 1.1 CONTROLLING CONTINUOUS SYSTEMS1.2 CONTROLLING DISCRETE SYSTEMS1.3 CONTROL SYSTEMS1.4 DESIGN CASES1.5 PRACTICE PROBLEMS |