Hydraulic or electric actuators add controlled energy to the steering mechanism, so the driver needs to provide only modest effort regardless of conditions.

The latches were engaged by electric actuators, with a hand crank provided as a back-up.

The electric actuator is the newest and most popular, but the manual is the lightest.

These were utilized for around 20 years in the simulator industry until the development of electric actuators.

Historically these systems used hydraulics or pneumatics; however, many modern systems use electric actuators.

For personal cars, a hydraulic or electric actuator is most often used.

Therefore, gate valves are exclusively automated by means of electric multi-turn actuators.

Small electric actuators can be used in a wide variety of assembly, packaging and testing applications.

Each rudder was driven by an electric actuator.

Active stability systems are defined by the need to input energy to the system in the form of a pump, hydraulic piston, or electric actuator.