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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.

CORTEC’s new back pressure valve

CORTEC participated this week at LSU’s PERTT Lab in Baton Rouge, La., in a flow loop test of its new Back Pressure Valve design.

Foundation of AUMA Iberia

AUMA is continuing to expand its global sales and service network. The foundation of AUMA Iberia S.L.U. has strengthened the group’s presence on the Iberian Peninsula.

ValvTechnologies appoints Global Marketing Director

ValvTechnologies, Inc., manufacturer of zero-leakage severe service isolation valve solutions, has named Juliana Herman as Director of Global Marketing.

Uniwat series VF791 automation experts Industry 4.0

Industry 4.0 is integrated into the manufactured range, for example, Uniwat® double offset butterfly valves which are featured by a high level of automation thanks to the smart actuators communication protocol for integration to the plant DCS.

Festo adds mechanical pneumatic valves

Festo recently introduced the manually operated VHEF and the mechanically operated VMEF pneumatic valves. These small, durable, and versatile valves are core Festo products and guaranteed to ship within 24 hours.

Valcor Engineering now offers modulating control valves

Valcor Engineering Corporation, a designer and manufacturer of custom precision fluid controls, motion controls, and turnkey systems for space, aircraft, nuclear, and scientific/industrial customers, is proud to now offer modulating control valves.

Live Valve World webinar on Counterfeiting

Valve World will organize a live webinar on the 31st of May on counterfeiting. This session, moderated by Alexander Gangnus (see image, Dennemeyer Consulting), will address this challenge from various angles and geographies.B2B counterfeiting is a big problem, leading worldwide to billions of euros in damages.

Allied Valve acquires valve service Edgen Murray

Barry Shoulders, President, and CEO of Allied Valve announced the acquisition of Edgen Murray Corporation’s Valve Services Business.

Bonomi introduces Valpres Deadman spring return lever

Valve and actuator manufacturer Bonomi UK has introduced the Valpres Deadman Spring Return Lever to its product portfolio.

Intellisys IQ+ throttling butterfly valves

Intellisys IQ+ Throttling Butterfly Valves are now available with a new generation J-Lock actuation for optimal control and reliability.

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.