Actuation

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.

New coating aids AUMA corrosion protection

AUMA recognises that corrosion protection is an essential and integral part of its product offer.

SIPOS strategy is communication

SIPOS’ latest newsletter has been distributed to the company’s customers around the world.

AUMA selected for defence scheme

In one of AUMA’s most prestigious flood defence projects, and the largest order to date for its Generation .

New high pressure ball valve for demanding applica

Inline Industries recently introduced its Series 336 High Pressure ball valve. It is capable of handling pressures up to 4000 PSI (size dependent), and is offered with either Delrin® AF or PEEK seats.

Exeeco APS wins contract

Yorkshire Water has strengthened its relationship with Exeeco APS (Actuation, Projects & Service), the UK’s largest valve actuator service provider, with the award of a service and repair framework contract.

SIPOS to present at DC summit

As one of the Gold sponsors of the third annual District Cooling Summit in Doha, Qatar, SIPOS Aktorik will present on the role of its variable speed actuators.

AUMA schedule features Asia and Holland

AUMA’s forthcoming exhibition schedule reflects the company’s global brand profile and expertise across a range of market sectors.

Tim Bessex joins Rotork

Rotork has appointed a new Sales Director, Tim Bessex. Tim will be based at Rotork’s head office in Bath and will be responsible for global sales for Rotork Controls, the electric valve actuation division.

AUMA supplies explosion proof actuators

AUMA has supplied 100 explosion proof, non-intrusive actuators for the Haramidere loading terminal in Istanbul, Turkey.

Product losses reduced with modulating pilot valve

The Series 3800 PCM non-flowing modulating pilot control from Farris Engineering offers a variety of features and benefits.

Actuation

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.

Applications

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.

Conclusion

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.