Control systems: A control system refers to a system that is capable of managing, commanding, directing, or regulating the behavior of other machines or devices. Generally, a feedback controller is used for controlling a process or operation automatically. It has a wide range of applications including home heating controller, industrial control systems and many such. On/off control: The on/off control makes use of a feedback controller which switches abruptly between two states. It is used to keep the final control element in the system in either on or off state. A simple bi-metallic domestic thermostat can be related as an on-off controller. Proportional control: Proportional control refers to a linear feedback control system. It is used to keep the final control element in intermediate positions between the on-off controls. It is more complex than an on-off control system. Examples of proportional controller include toilet bowl float proportional value and fly-ball governor.

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Chapter 14, Problem 8RQ

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Control systems:

A control system refers to a system that is capable of managing, commanding, directing, or regulating the behavior of other machines or devices.

Generally, a feedback controller is used for controlling a process or operation automatically.

It has a wide range of applications including home heating controller, industrial control systems and many such.

On/off control:

The on/off control makes use of a feedback controller which switches abruptly between two states.

It is used to keep the final control element in the system in either on or off state.

A simple bi-metallic domestic thermostat can be related as an on-off controller.

Proportional control:

Proportional control refers to a linear feedback control system.

It is used to keep the final control element in intermediate positions between the on-off controls.

It is more complex than an on-off control system.

Examples of proportional controller include toilet bowl float proportional value and fly-ball governor.

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