Actuator

Actuator

Actuator (pronounced: ak-choo-ay-tor) is a device that creates physical movement by converting various forms of energy to mechanical force.

Etymology

The term "actuator" originates from the Latin word "actuare" which means "to put into action".

Types of Actuators

There are several types of actuators, each with its own specific use and function. Some of the most common types include:

• Hydraulic actuator: Uses hydraulic pressure to create mechanical motion.
• Pneumatic actuator: Uses compressed air to generate force.
• Electric actuator: Uses electrical energy to produce motion.
• Thermal or shape memory actuators: Uses heat as a source of energy.
• Mechanical actuator: Converts rotary motion into linear motion.

Applications

Actuators are used in a wide range of applications, including:

• Industrial machinery: Actuators are often used in industrial machinery to automate processes.
• Medical devices: In the medical field, actuators are used in devices such as ventilators and infusion pumps.
• Automotive industry: Actuators are used in various parts of a vehicle, such as the braking system and power steering.
• Robotics: Actuators play a crucial role in robotics, allowing robots to move and interact with their environment.

Related Terms

• Servo: A type of actuator that uses feedback to achieve precise control of positioning.
• Solenoid: A type of actuator that uses a coil of wire in an electromagnetic field to produce motion.
• Motor: A device that converts electrical energy into mechanical energy, often used as a type of actuator.

External links

• Medical encyclopedia article on Actuator
• Wikipedia's article - Actuator

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