Actuator
In space and astronautical engineering, an actuator is a device that converts energy into motion. Actuators are used in various systems such as propulsion, guidance, and control systems. They are responsible for controlling the movement of various components of a spacecraft, such as valves, flaps, and thrusters. Actuators can be powered by various sources such as electricity, hydraulics, and pneumatics. They are critical components of spacecraft and must be designed to withstand the harsh conditions of space, including extreme temperatures, radiation, and vacuum. Actuators must also be highly reliable and have redundancy built-in to ensure the safety of the spacecraft and its crew.
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