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.

Dixon opens new valve actuation workshop

Dixon Group Europe opened a new Valve Actuation workshop offering custom automated valve packages from their Preston offices. Most of the range can be dispatched within 24 hours thus reducing customer process downtime.

Rotork’s expansion project in the UAE

Rotork electric and electro-hydraulic valve actuation and control technologies have been specified for a major petroleum storage tank farm expansion project at Fujairah in the United Arab Emirates.

Acrodyne introduces Noah SA-03 actuators

The SA-03 is the latest addition to the Noah SA series of compact and reliable valve actuators. The SA-03 weighs only 1.

GF-PP TB Series Ball Valves now available

Hayward Flow Control announces release of their new platinum GF-PP (Glass Filled Polypropylene) TB Series Ball Valves. The addition of the platinum GF-PP material compliments the PVC line and CPVC ball valves, as well as increasing the range of piping applications that can be serviced with the TB Series.

Rotork extends CVA electric actuation to larger co

The new CVL-5000 actuator extends the scope of Rotork Process Controls’ innovative CVA electric control valve actuator range to enable the automation of larger valves and valves with higher pressure ratings.

AUMA UK organisational developments

As AUMA celebrates five decades of manufacturing and supplying electric actuators, the UK operation announces developments to provide enhanced customer support.

SIPOS selected for flood defence solution

SIPOS Aktorik’s electric actuators have been included in a dam enhancement scheme designed to protect the township of Captains Flat, 60km South East of Canberra in Australia.

VICI Valco’s UHPLC injectors, actuators

VICI Valco’s says that its Cheminert C72 ultra-high pressure UHPLC injectors, switching valves, and selectors are ideal for high speed, high throughput techniques which demand a valve and fitting system that minimize internal volume and eliminate dead volume.

AUMA free device management software

Certified Device Type Manager (DTM) software for AUMA actuators is available free of charge via the company’s website.

Lightning strike solution from SIPOS

An advanced actuation solution has contributed to a lightning strike protection initiative at a wastewater treatment project located at Denmark’s Port of Aarhus.

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.