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Definition
actuator An electromechanical device that uses electromagnetism to produce a longitudinal or rotary thrust for mechanical work. It is often the end (load) device of a servosystem.
source: The illustrated dictionary of electronics, McGraw hill publishers.
May be we can say for it: activating device. Actuator activates the device or system which is the controlled part of a control system. For example for a pump, a motor is actuator. It activates the pump. Pump is controlled device or target in a control system. For a motor a power drive is an actuator etc.
In the field of mechanical engg., actuator doesn't have to be electromagnetic. It can be a pure mechanical device, as long as it produces mechanical work. For example: pneumatic cylinder, etc.
The purpose of the actuator is giving the work done such as a motor converted electrical power to mechanical power or Pneumaic cylinder converted the air pressure to mechanical power. It depends on your control system.
In the field of mechanical engg., actuator doesn't have to be electromagnetic. It can be a pure mechanical device, as long as it produces mechanical work. For example: pneumatic cylinder, etc.
In the field of mechanical engg., actuator doesn't have to be electromagnetic. It can be a pure mechanical device, as long as it produces mechanical work. For example: pneumatic cylinder, etc.
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