A device that makes something move or work by getting a signal or change.
The actuator in the car made the window go up and down.
차의 액추에이터가 창을 올리고 내립니다.
A part in robots and machines that makes them move to do something.
The robot used actuators to move its arms and legs.
로봇은 팔과 다리를 움직이기 위해 액추에이터를 사용합니다.