Closed Loop Control System
Closed Loop Control System : This is a control term. In any control system you have an 'input', 'process' and 'output'. But there is fourth item that may - or may not - be present. This item is called 'feedback'. Feedback is a method of letting the input know what the output is doing. This means feedback can affect the way the control system works. A control system is said to be 'closed loop' if it includes feedback. A control system is said to be 'open loop' of it does not contain feedback. A Closed Loop Control system is where the output of the system can affect the next decision. For example a closed loop central heating system coming up to its proper temperature will start to affect the way the boiler is turning off and on based on the current room temperature
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