Actuation refers to the process of converting energy into motion in various systems and devices. It’s a crucial component in a myriad of technologies, ranging from simple mechanisms to complex machinery.

Actuation is the mechanism of initiating and controlling movements in various systems, which could be mechanical, electrical, hydraulic, or pneumatic, among others. This concept is widely used in industries like robotics, automotive, aerospace, and manufacturing. It encompasses a wide range of components and techniques designed to convert various forms of energy into physical motion.

AUMA actuators awarded new gas industry standard

National Gas has approved AUMA Actuators explosion proof range of high-performance electric actuators with the Gas Industry Standard VA2/2020 certification

Limitorque actuators at the western treatment plant

Limitorque actuators have been operating in the plant for over 50 years on various projects and various stages of expansion projects including Tainter gates.

Rotork acquires Hanbay, Inc.

Rotork Plc, the global provider of mission-critical intelligent flow control solutions, has acquired Hanbay, Inc.

Asahi/America expands Series 19 actuation line

Asahi/America recently expanded its Series 19 electric actuation line to include, multiturn unit capable of operating on diaphragm and gate valves up to 4”.


Paladon Systems has been announced that has completed a batch of Pneumatic Spring to Close Actuators. They will be part of BERKINE NORD BYPASS MLE Project.

ARIS Stellantriebe collaborates with KINETROL

ARIS Stellantriebe has expanded its worldwide sales organisation along side an experienced partner at its side, the English actuator expert, KINETROL.

KSB launches new pneumatic quarter-turn actuators

KSB launches new pneumatic quarter-turn actuators

Watertight AUMA actuators

Watertight AUMA actuators

Limitorque Pneumatic multi turn L270 actuators

Two Limitorque L270-40 Pneumatic actuators are being tested at Acrodyne Pty Ltd before dispatch.

Rotork upgrades Gatwick fuel farm with actuators

Rotork has helped upgrade and modernize a major Gatwick fuel farm, providing them with IQ3 intelligent actuators on Rotork’s Pakscan™ control network.


The primary devices that carry out actuation are called actuators. These can be categorized as:

  1. Mechanical Actuators: Convert rotary motion to linear motion or vice versa, often using gears, rails, or screws.
  2. Electric Actuators: Utilize electric motors to generate motion, controlled by varying voltage, current, or electromagnetic fields.
  3. Hydraulic Actuators: Use the pressure of a liquid (usually oil) to induce motion, often to generate high forces in heavy machinery.
  4. Pneumatic Actuators: Operate using compressed air or gas to create motion, often found in industrial automation setups.
  5. Thermal or Magnetic Actuators: Leverage thermal expansion or magnetic fields to generate motion, usually in micro or nano-scale applications.

2. Control Systems

These systems are essential in regulating the functioning of actuators, often utilizing feedback loops to maintain precision and efficiency. They may include:

  1. Manual Controls: Simple interfaces like levers or switches to control actuators.
  2. Automatic Controls: Utilize sensors and microcontrollers to automatically control the actuation process.
  3. Software Interfaces: Complex control setups involving software platforms integrated with hardware components to enable sophisticated control strategies.

3. Power Sources

Different actuation systems require different power sources, which could range from electrical batteries, hydraulic pumps, or pneumatic compressors.


Actuation finds its application in various fields:

  1. Robotics: In the control of robotic arms, legs, or other appendages.
  2. Aerospace: Utilized in the functioning of various components like flaps, landing gear, and engines.
  3. Automotive: In control systems like power steering, braking systems, and throttle control.
  4. Industrial Machinery: In machines used for manufacturing, packaging, and other industrial processes.
  5. Healthcare: In devices like prosthetics and other healthcare equipment.
  6. Consumer Electronics: In gadgets and appliances, for functions like zooming in cameras or adjusting settings.

Future Trends

With advancements in technology, actuation systems are expected to become more sophisticated, incorporating features like:

  1. Internet of Things (IoT): Integration with IoT for smarter and more connected control systems.
  2. Artificial Intelligence (AI): Incorporating AI for predictive maintenance and automated control strategies.
  3. Miniaturization: Development of smaller and more compact actuators for use in micro and nano-scale applications.


Actuation is a dynamic and evolving field, playing a critical role in modern technology and industry. It encompasses a wide range of components, systems, and techniques that convert energy into physical motion, finding applications in a variety of sectors and continually evolving to incorporate new advancements and innovations.