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.

Revised standard for multi-turn valve actuator attachment

Revised standard for multi-turn valve actuator attachment

MSS publishes revised SP-102-2024 for standardizing multi-turn valve actuator attachment dimensions and performance.
Ingersoll Rand announces three bolt-on acquisitions

Ingersoll Rand announces three bolt-on acquisitions

Ingersoll Rand acquires APSCO, Blutek, and UT Pumps for $135M, adding $50M+ revenue and expanding its industrial solutions portfolio.
AUMA wins actuator supply framework

AUMA wins actuator supply framework

A framework for the supply of electric actuators issued by services provider United Utilities has been won by AUMA Actuators. 
Rotork introduces ethernet actuator

Rotork introduces ethernet actuator

Rotork has introduced its fully integrated ethernet actuator, which is compatible with EtherNet/IP Modbus TCP and PROFINET protocols.
Kinitics Automation introduces valve actuators

Kinitics Automation introduces valve actuators

Kinitics Automation introduces the KVA38 electric valve actuator with Shape Memory Alloy (SMA) technology for precision motion
RAYS cryogenic ball valve with high-performance actuator

RAYS cryogenic ball valve with high-performance actuator

RAYS delivered a batch of pneumatic ball valves to an undisclosed customer, to transport LNG along the Northern Sea route
AS-25 BS-60 direct mounted part-turn electric actuator

AS-25 BS-60 direct mounted part-turn electric actuator

Tianjin Freya recently introduced the B+RS Actuator which can be used for standard on/off and modulating control.
Kinematics’ first shipment of ST series actuators

Kinematics’ first shipment of ST series actuators

Kinematics launches the groundbreaking ST Series actuators, offering 20-50% more holding torque, precision, and efficiency for solar trackers.
Danfoss introduces the AB-QM 4.0 CO6 Flexo, a prefab connection set enhancing efficiency in HVAC systems for radiant panels and chilled beams.

Expanding the AB-QM family with AB-QM 4.0 CO6 Flexo

Danfoss introduces the AB-QM 4.0 CO6 Flexo, a prefab connection set enhancing efficiency in HVAC systems for radiant panels and chilled beams.
Festo introduces VZXA, angle seat valve

Festo introduces VZXA, angle seat valve

The new Festo VZXA modular pneumatically actuated angle seat valves offer easy installation, maintenance, and inventory management.

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.