에너지를 운동으로 변환하여 기계 장치를 움직이거나 제어하는 장치.
A mechanical or electronic device that converts energy into motion to control a mechanism or system.
예문:
"The hydraulic actuator provides the necessary force to lift the heavy aircraft landing gear."
"Engineers replaced the faulty actuator to restore precise control over the robot arm's movements."
"A pneumatic actuator is used in the factory assembly line to push boxes onto the conveyor belt."