Intro to control ca

How organisations use ICT Control Systems By the end of this presentation you should be able to answer the following questions: What is a control system? Explain how an air conditioning system, refrigerator and central heating system works Describe the advantages and disadvantages of a control system

What is a Control System? ,[object Object],[object Object]

Control Systems Input device: Sensor ,[object Object],[object Object],[object Object]

TASK: Types of sensors Touch Tilt Sound Smoke Pressure PH Light Infra-red Humidity Heat Where Used Measures Sensor

Types of sensors Computer controlled robots Detects if one object bumps into another Touch Windows in security alarm system Angle of tilt Tilt Security alarm systems Levels of sound Sound Offices Smoke in the atmosphere Smoke Burglar alarm systems, automatic doors Pressure Pressure Environmental experiments, river pollution Acid/alkali levels e.g. pH of soil PH External security lights Light levels Light Security alarm systems Infra-red radiation e.g. body heat Infra-red Swimming pool, greenhouse Water vapour in the air Humidity Living room for central heating system Temperature Heat Where Used Measures Sensor

ADC ,[object Object],[object Object],[object Object],[object Object]

Process ,[object Object],[object Object]

Example: central heating systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Output ,[object Object],[object Object]

Open loop systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Closed loop systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Control examples ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Air conditioning systems 1 ,[object Object],[object Object],[object Object]

Air conditioning systems uses ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Refrigeration systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Refrigeration Systems 2 ,[object Object],[object Object],[object Object],[object Object],A: Inside a refrigerator B: Compressor C: Expansion Valve

Refrigeration systems uses ,[object Object],[object Object],[object Object],[object Object],[object Object]

Advantages of Control Systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Disadvantages of Control Systems ,[object Object],[object Object],[object Object],[object Object],[object Object]

Questions ,[object Object],[object Object],[object Object],[object Object]

Vocabulary – Time to fill in your electronic vocabulary list ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Next lesson Exam question ,[object Object],[object Object]

Answer ,[object Object],[object Object],[object Object]

Intro to control ca

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