actuator

Definitions

Aviation

Cars & Driving

  • noun a controlling or operating device, e.g. a vacuum mechanism for opening flaps in air-conditioning systems

Computing

Construction

  • In hydraulics, a motor or cylinder designed to convert hydraulic energy into mechanical energy.

Electronics

  • A device or circuit that initiates or activates an event or process. For example, a switch that opens or closes an electric circuit.
  • In robotics, a device which moves a component, such as a manipulator, in response to signals from the controller. Such a device may be electric, hydraulic, mechanical, or pneumatic. Also called robotic actuator, or effector.
  • synonymaccess arm
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