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.

AUMA SA.2 adopted at Swiss

Adoption of AUMA modular electric actuators at Zurich Lake water plant began in 1975 and has continued with the recent installation of 190 SA.

VFS’s new pneumatic actuators

Valve & Fitting Solutions introduces a new innovative range of air and electric actuators for instrument and process ball valves – HPA series. These actuators have been subject to over one million cycles test without failure.

Drax Power Station extends agreement with Exeeco A

Exeeco APS (Actuation, Projects and Services) has been providing actuators and services to Drax Power Station since 1973 and as part of the Rotork flow control group is proud to announce that Drax Power Limited (Drax) has extended its Actuator Framework Contract for twelve months with an option to extend for a further two years.

Parker releases OSPE actuator series

Parker's Electromechanical Automation Division, a leading supplier of motion control technology, announced the release of its OSPE electric actuator series.

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.

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.