Basics of Control Systems (Control Systems) Electrical Engineering (EE) Notes | EduRev

Electrical Engineering (EE) : Basics of Control Systems (Control Systems) Electrical Engineering (EE) Notes | EduRev

 Page 1


Control Systems
Part 1: Basics of Control Systems
Page 2


Control Systems
Part 1: Basics of Control Systems
Learning objectives
? To state the basic concept of feedback control
? To differentiate sensors from the actuators
? To clarify the roles that sensors, actuators and 
controllers play in a feedback control loop.
Page 3


Control Systems
Part 1: Basics of Control Systems
Learning objectives
? To state the basic concept of feedback control
? To differentiate sensors from the actuators
? To clarify the roles that sensors, actuators and 
controllers play in a feedback control loop.
Motivations for control engineering
Feedback control has a long history which began 
with the early desire of humans to harness the 
materials and forces of nature to their advantage.
It involves the use of sensed environmental 
information to aid in the manipulation of system 
inputs to achieve the desired system behaviours.
Modern industrial plants, such as a nuclear power 
plant, have sophisticated control systems which are 
crucial to their successful operation.
Page 4


Control Systems
Part 1: Basics of Control Systems
Learning objectives
? To state the basic concept of feedback control
? To differentiate sensors from the actuators
? To clarify the roles that sensors, actuators and 
controllers play in a feedback control loop.
Motivations for control engineering
Feedback control has a long history which began 
with the early desire of humans to harness the 
materials and forces of nature to their advantage.
It involves the use of sensed environmental 
information to aid in the manipulation of system 
inputs to achieve the desired system behaviours.
Modern industrial plants, such as a nuclear power 
plant, have sophisticated control systems which are 
crucial to their successful operation.
Control loops in a nuclear power plant
Page 5


Control Systems
Part 1: Basics of Control Systems
Learning objectives
? To state the basic concept of feedback control
? To differentiate sensors from the actuators
? To clarify the roles that sensors, actuators and 
controllers play in a feedback control loop.
Motivations for control engineering
Feedback control has a long history which began 
with the early desire of humans to harness the 
materials and forces of nature to their advantage.
It involves the use of sensed environmental 
information to aid in the manipulation of system 
inputs to achieve the desired system behaviours.
Modern industrial plants, such as a nuclear power 
plant, have sophisticated control systems which are 
crucial to their successful operation.
Control loops in a nuclear power plant Impact of control systems
Control Engineering has had a major impact on 
society. 
For example, Watt’s Fly Ball Governor had a major 
impact on the industrial revolution.  
Indeed, most modern systems (aircraft, high speed 
trains, CD players, … ) could not operate without the 
aid of sophisticated control systems.
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