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Definition of the noun actuator

What does actuator mean as a name of something?

noun - plural: actuators

  1. a mechanism that puts something into automatic action
    • lexical domain: Artifacts - nouns denoting man-made objects
    • more generic word: mechanism = device consisting of a piece of machinery
    • more specific terms: rotary actuator / positioner = the actuator that moves a read/write head to the proper data track

Alternative definition of the noun actuator


  1. Something that actuates something else, especially a mechanism that causes a device to be switched on or off
  2. [computing] The mechanism that moves the head assembly on a disk drive
  3. [context: electrical] A relay that controls the flow of electricity

Printed dictionaries and other books with definitions for Actuator

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Google previewHydraulics and Pneumatics (2013)

A technician's and engineer's guide by Andrew Parr

Linear actuators The basic linear actuator is the cylinder, or ram, shown in schematic form in Figure 5.1. Practical constructional details are discussed later. The cylinder in Figure 5.1 consists of a piston, radius R, moving in a bore. The piston is ...

Google previewSystems Engineering with SysML/UML (2011)

Modeling, Analysis, Design by Tim Weilkiens

Actuator [SYSMOD]: An actuator is a particular external system that serves another system to influence its environment. Aggregation [UML]: Describes a class as an aggregate and specifies a whole-part relationship between the aggregate ...

Google previewPrinciples of Package Development (2012)

by Roger C. Griffin

The actuator is the final nozzle and the means by which the stem is depressed to release the contents. Various shapes and sizes of orifices are used to shape the spray pattern. Various designs are used to make sure that spray cannot be ...

Google previewThe Handbook of Touch (2011)

Neuroscience, Behavioral, and Health Perspectives by Dr. Matthew J. Hertenstein, PhD, Dr. Sandra J. Weiss, PhD, DNSc, RN

The actuator is a velocity source, so that an electrical input signal generates a motion, rather than force, output. Such force-based systems can theoretically display the same motion-force relationships as impedance systems, but with a different ...

Google previewMechatronics (2004)

An Integrated Approach by Clarence W. de Silva

Actuator is the device that mechanically drives a mechatronic system. There are many classifications of actuators. Those that directly operate a process (load, plant) are termed process actuators. Joint motors in a robotic manipulator are good ...

Google preview13th International Conference on Adaptive Structures and Technologies, 2002 (2003)

by Elmar J. Breitbach, L. F. Campanile

INTRODUCTION The piezoelectric-hydraulic hybrid actuator is a device based on the frequency rectification principle, resulting in actuation at a large force with a theoretically unlimited stroke. The device consists of a pump driven by ...

Google previewConcise Encyclopedia of System Safety (2011)

Definition of Terms and Concepts by Clifton A. Ericson, II

ACTUATOR An actuator is an electromechanical device that is a mechanism used to effect or produce motion. It is a power mechanism that typically converts electrical, hydraulic, or pneumatic energy into longitudinal or rotary motion. Actuators ...

Google previewComprehensive Dictionary of Chemical Engineering (2015)

by Muhammad Rashid Usman

Actuator: Actuator is a device that reacts in response to a signal to produce the desired effect in a process variable. In most cases, the term is applied for the devices that automatically adjust the movement of a control valve. A pneumatic ( that is ...

Google previewEncyclopedia of Automotive Engineering (2015)

by David Crolla

The air throttle, EGR valve, and VGT vane are controlled using actuator commands: uat, uegr, and uvgt, respectively. The intake and exhaust camshaft phasing are controlled using commands uicam and uecam. Engines with electronic fuel ...

Google previewEncyclopedia of Electronic Components Volume 1 (2012)

Resistors, Capacitors, Inductors, Switches, Encoders, Relays, Transistors by Charles Platt

Actuator. Linear actuator is a generic term for any device that can exert a pushing or pulling force in astraightline. In industrial applications, actuators may be powered pneumatically orhydraulically, but smallerscale units are usually driven by a ...

Google previewOBD2 Automotive Code Encyclopedia and Cross Reference Guide

5v with the 2nd Gear Actuator energized (this test must fail twice on one trip to set this code).

Google previewDictionary of Industrial Terms (2013)

by Michael D. Holloway, Chikezie Nwaoha

Plant Engineering Actuator: A mechanism of the switch or switch enclosure which operates the contacts. Electrical Engineering Actuator: An actuator is a mechanical device for moving or controlling a mechanism or system. On a steam line ...

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Small photo of Open perfume bottles showing actuator pump.Small photo of Hydraulic choke valve actuator and valve positioner for control and monitor gas flow rate this install at offshore oil and gas wellhead remote platform, Process control system automatic control by plcSmall photo of Small electric drive (actuator) gray colour for valves. IsolateSmall photo of closeup inside the hard drive, read write head actuator axisSmall photo of Text actuator hand written by brown oil pastel on white color paperSmall photo of Damper actuator installed on the industrial ventilation unit bodySmall photo of Damper actuator installed on the industrial ventilation unit body More...

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Scrabble value of A1C3T1U1A1T1O1R1

The value of this 8-letter word is 10 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.

Anagrams of ACTUATOR

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