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.

Fairchild’s new high flow booster

Fairchild Industrial Products’ new Model M4800 pneumatic volume booster is designed for ultra high flow requirements, having a flow capacity of 500 SCFM and a Cv of 9 in both forward and exhaust modes.

Single phase motors for explosion proof actuators

AUMA has announced the development of single phase motors for explosion proof, multi-turn actuators.

Rotary disc valve

The Larox Rotary Disc Valve is designed specifically for heavy abrasive and corrosive slurries.

AUMA brochure

AUMA has released a brochure that provides over 30 pages of technical information for developers of steel constructions for water systems, such as weirs and sluices. The latest AUMA reference material is designed to assist planning engineers and plant

Polypropylene wafer style butterfly expanded

GF Piping Systems has expanded its large diameter size range for the Wafer Style Type 567 polypropylene butterfly valve to include sizes 14-24in.

New Rotork plant in India

Rotork’s newly opened Jigani factory in India has heralded the commencement of operations at Rotork’s seventeenth worldwide manufacturing facility.

AUMA UK completes relocation

AUMA Actuators Ltd has successfully completed its relocation to new premises. The AUMA company, which is the UK representative of the group that manufactures and supplies modular actuators globally, has established its new facility close to the main motorway and airport hub for the South West of England.

Actuation and control upgrade for BP tank farm

Rotork Site Services’ comprehensive extended scope abilities have enabled new valves with the latest IQ intelligent electric valve actuators and Pakscan 2-wire digital control to be installed in a vital upgrade project at a BP tank farm.

SIPOS supports Progroup AG

Progroup AG is a major producer of corrugated cardboard in Central Europe.

BCF Isolation valves

Bio-Chem Fluidics (BCF) has released its line of Bio-Chem Valve solenoid operated isolation valves.

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.