2419286
Descrição
Mapa Mental por James Rushton, atualizado more than 1 year ago
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Criado por James Rushton
mais de 9 anos atrás
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|
Control
- Computer control means that
a computer is part of the
control system
- Sensors
- Device to measure some physical quantity
- Heat
- Light
- pH
- Humidity
- Device to measure some physical quantity
- Advantages
- Can operate
24/7 without
needing to rest
- Work without
wages
- Can be used in
dangerous
environments
- Can operate
24/7 without
needing to rest
- Disadvantages
- May cost a lot
of money to
develop
- If there is a power
cut or the computer
malfunctions it will
not work
- May cost a lot
of money to
develop
- ADC (Analogue to Digital Converter)
- Sensors take analogue measurements.
- It must be converted to digital (0s and 1s)
- Sensors take analogue measurements.
- Process
- Computers can only follow rules
that is has programmed in the
control system
- Computers can only follow rules
that is has programmed in the
control system
- Output
- Sending the
message and the
resulting action
- Sending the
message and the
resulting action
- Open loop feedback
- Takes no
account of
the output
- Simple to
create
- Takes no
account of
the output
- Feedback system
- The output is fed
back to become
part of the input
- More precise control
- More complicated to create
- The output is fed
back to become
part of the input
- Actuator
- Allows a computer
to control
movement or action
- Allows a computer
to control
movement or action
- Examples
- Washing machines
- Automatic doors
- Traffic light systems
- Washing machines
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