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2. Rotary actuator - Wikipedia

   en.wikipedia.org/wiki/Rotary_actuator

   A rotary actuator is an actuator that produces a rotary motion or torque. The simplest actuator is purely mechanical, where linear motion in one direction gives rise to rotation. The most common actuators are electrically powered; others may be powered pneumatically or hydraulically , or use energy stored in springs .

3. Servo (radio control) - Wikipedia

   en.wikipedia.org/wiki/Servo_(radio_control)

   Centrifugal fly-ball actuator. The fly-ball actuator was introduced to R/C modelling in 1951 by Brayton Paul, [5] and consisted of an electric motor and a centrifugal governor connected to a free-running axis that could, with the motor running, pull a rudder control rod by varying degrees. Used with a keyed radio system, this allowed some ...

4. Brake-by-wire - Wikipedia

   en.wikipedia.org/wiki/Brake-by-wire

   The hydraulic force generated by pressing the brake pedal is used only as a sensor input to the computer unless a catastrophic failure occurs including a loss of 12-volt electrical power. The brake actuator has an electric pump that provides the hydraulic pressure for the system, and valves to pressurize each wheel caliper to apply the friction ...

5. Actuator - Wikipedia

   en.wikipedia.org/wiki/Actuator

   Rotary motors can be powered by 3 different techniques such as Electric, Fluid, or Manual. [12] However, Fluid powered rotary actuators have 5 sub-sections of actuators such as Scotch Yoke, Vane, Rack-and-Pinion, Helical, and Electrohydraulic. All forms have their own specific design and use allowing the ability to choose multiple angles of degree.

6. Servomotor - Wikipedia

   en.wikipedia.org/wiki/Servomotor

   This is the steering actuator of a large robot vehicle. Industrial servomotors and gearboxes, with standardised flange mountings for interchangeability. A servomotor (or servo motor or simply servo) [1] is a rotary or linear actuator that allows for precise control of angular or linear position, velocity, and acceleration in a mechanical system.

7. Stewart platform - Wikipedia

   en.wikipedia.org/wiki/Stewart_platform

   A Stewart platform is a type of parallel manipulator that has six prismatic actuators, commonly hydraulic jacks or electric linear actuators, attached in pairs to three positions on the platform's baseplate, crossing over to three mounting points on a top plate. All 12 connections are made via universal joints.