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.

UK service workshop for Rotork

Rotork has invested in a brand new and enlarged service workshop facility at the company’s main electric valve actuator manufacturing plant in Bath, as a result of a 75% increase in UK service workshop activity over the last 18 months.

Rotork actuators for power stations

RWE npower has awarded a framework agreement to Rotork Site Services for the supply of Rotork valve actuators and actuation maintenance services throughout all of its UK fossil-fuelled and cogen power stations.

Rotork appoints

Rotork’s Pakscan and open network systems activity has been strengthened by the appointment of Chartered Engineer Shelley Pike as Systems Sales Manager.

SIPOS 5 flash actuation

SIPOS Aktorik, a manufacturer of variable speed actuators for the water/waste water plant and power sector applications, has released a Bluetooth option for its actuator product range.

Valve actuation framework

Rotork has won a landmark third term framework agreement for the supply of electric valve actuators to Thames Water (UK).

SIPOS in The Netherlands

SIPOS has applied for an SIPOS 5 Flash in The Netherlands. This action illustrates how the company’s variable speed actuation technology can be used to aid people passing through a weir using canoes or kayaks.

New Auma portal

A re-design of the Auma website, which has been established as an actuation industry information source since 2004, now provides enhanced access to an extended range of materials.

SIPOS solution for pedestrian bridge

A SIPOS Aktorik 5 Flash Profitron actuation solution has met the demands of a pedestrian bridge in the Wartberg district of Wertheim, Germany, with a programmed complete movement sequence.

Rotork acquires Remote Control

Rotork Fluid Systems has announced the acquisition of Remote Control Sweden (RCS).

VAX valve

Assured Automation has announced a new line of VAX valves for applications that require fast actuation, and strict durability 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.