actuating device

automation

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Last updated

July 23, 2026

Quick Summary

An actuating device, also known as an actuator, is a component within an automated system that functions to cause action or set something in motion. It is a crucial part of automation, working in conjunction with feedback controls and machine programming.1234

In a feedback control system, actuating devices, along with a controller, compare the measured output of a process to a desired input (set point) and make adjustments to reduce any difference. These devices can include a variety of mechanical and electrical components such as motors, valves, switches, and gear systems, all designed to influence the output variable of a process. For example, in a heating system, the thermostat's switch acts as both the controller and actuating device, turning the heater on or off to maintain the desired room temperature.2

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automation
Computer process control
…of some optimizing strategy, (3) actuation of such devices as valves, switches, and furnaces that enable the process to implement the optimal strategy, and (4) generation of reports to management indicating equipment status, production performance, and product quality. Today computer process control is applied to many industrial operations, two of…
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…of some optimizing strategy, (3) actuation of such devices as valves, switches, and furnaces that enable the process to implement the optimal strategy, and (4) generation of reports to management indicating equipment status, production performance, and product quality. Today computer process control is applied to many industrial operations, two of…
Read More

automation
Feedback controls
…purpose of the controller and actuating devices in the feedback system is to compare the measured output value with the reference input value and to reduce the difference between them. In general, the controller and actuator of the system are the mechanisms by which changes in the process are accomplished…
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…purpose of the controller and actuating devices in the feedback system is to compare the measured output value with the reference input value and to reduce the difference between them. In general, the controller and actuator of the system are the mechanisms by which changes in the process are accomplished…
Read More