Control

James Rushton
Mind Map by James Rushton, updated more than 1 year ago
James Rushton
Created by James Rushton about 5 years ago
1
0

Description

Computer control
Tags

Resource summary

Control
1 Computer control means that a computer is part of the control system
2 Sensors
2.1 Device to measure some physical quantity
2.2 Heat
2.3 Light
2.4 pH
2.5 Humidity
3 Advantages
3.1 Can operate 24/7 without needing to rest
3.2 Work without wages
3.3 Can be used in dangerous environments
4 Disadvantages
4.1 May cost a lot of money to develop
4.2 If there is a power cut or the computer malfunctions it will not work
5 ADC (Analogue to Digital Converter)
5.1 Sensors take analogue measurements.
5.2 It must be converted to digital (0s and 1s)
6 Process
6.1 Computers can only follow rules that is has programmed in the control system
7 Output
7.1 Sending the message and the resulting action
8 Open loop feedback
8.1 Takes no account of the output
8.2 Simple to create
9 Feedback system
9.1 The output is fed back to become part of the input
9.2 More precise control
9.3 More complicated to create
10 Actuator
10.1 Allows a computer to control movement or action
11 Examples
11.1 Washing machines
11.2 Automatic doors
11.3 Traffic light systems
Show full summary Hide full summary

Similar

MICROSOFT WORD 2013 SKILLS FOR WORK
John O'Driscoll
Types and Components of Computer Systems
Jess Peason
Input Devices
Jess Peason
Output Devices
Jess Peason
General ICT Quiz
leahshaw
ICT Revison Flash Cards
Arun Johal
Networks
Will8324
FLAT FILE VS RELATIONAL DATABASE
rosiejones
Online World - Learning Aim A
andysedge
General ICT Quiz
Jade Fantom
Data Types
Jacob Sedore