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Class notes EMJ47104
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Automated tool pneumatics
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Chapter 2 : Automation Tools and Assembly System2.1 Hardware Components for Automation & Process
Control
•Actuators
•Sensors
•Analog to Digital Converters
•Digital to Analog Converters
•Input/Output Device for Discrete Data
ENT471 Automation
, Actuators
•Hardware devices that convert a controller command signal
into a change in a physical parameter
•The change is usually mechanical (e.g., position or velocity)
•An actuator is a transducer because it changes one type of
physical quantity into some alternative form
•An actuator is usually activated by a low-level command
signal, so an amplifier may be required to provide sufficient
power to drive the actuator
ENT471 Automation
, Actuators
Practically every industrial process requires objects
to be moved, manipulated, held, or subjected to some type of
force.
•The three most commonly employed methods for
producing the required forces/motions are:
Air – Pneumatics
Liquids – Hydraulics
Electrical – motors, solenoids
ENT471 Automation
, Chapter 2 : Automation Tools and Assembly System
ENT471 Automation
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