Definition: An actuator is a type of electronic device that controls, regulates or adjusts an input signal to produce output in a controlled manner. An example of an actuator could be a valve that closes and opens when the pressure in a system rises or falls. The word 'actuator' refers to any device designed for controlling or regulating the flow of matter, energy, or information. These devices are commonly used in various industries such as manufacturing, healthcare, transportation, and engineering. An actuator typically consists of a mechanical or electronic control unit that is connected to the input signal (the pressure) and the output signal (the desired change). The control unit can be programmed to regulate the flow of matter through a controlled process.
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