Controller may refer to:

Occupations

* Controller or financial controller, or in government accounting comptroller, a senior accounting position * Controller, someone who performs agent handling in espionage *

Air traffic controller Air traffic control specialists, abbreviated ATCS, are personnel responsible for the safe, orderly, and expeditious flow of air traffic in the global air traffic control system. Usually stationed in air traffic control centers and control ...

, a person who directs aircraft

Computing and electronics

* Model–view–controller, an architectural pattern used in software engineering *

Controller (computing) (disambiguation) In computer hardware, a controller may refer to: * Memory controller, a unit that manages access to memory * Game controller, a device by which the user controls the operation of the computer * Host controller * Network controller * Graphics cont ...

* Microcontroller, a small computer on a single integrated circuit *

Game controller A game controller, gaming controller, or simply controller, is an input device used with video games or entertainment systems to provide input to a video game, typically to control an object or character in the game. Before the seventh generatio ...

, an input device used for playing video games

Control engineering

Control theory Control theory is a field of mathematics that deals with the control of dynamical systems in engineered processes and machines. The objective is to develop a model or algorithm governing the application of system inputs to drive the system to a ...

, control of continuously operating dynamical systems in engineered processes and

machines A machine is a physical system using power to apply forces and control movement to perform an action. The term is commonly applied to artificial devices, such as those employing engines or motors, but also to natural biological macromolecul ...

** Irrigation controller, a device to automate irrigation systems **

PID controller A proportional–integral–derivative controller (PID controller or three-term controller) is a control loop mechanism employing feedback that is widely used in industrial control systems and a variety of other applications requiring continuou ...

, a control loop feedback mechanism *

Control loop A control loop is the fundamental building block of industrial control systems. It consists of all the physical components and control functions necessary to automatically adjust the value of a measured process variable (PV) to equal the value of ...

, contains all the control elements for controlling a process variable **

Anti-lock brake controller An anti-lock braking system (ABS) is a safety anti-skid braking system used on aircraft and on land vehicles, such as cars, motorcycles, trucks, and buses. ABS operates by preventing the wheels from locking up during braking, thereby maintaini ...

, in an anti-lock braking system *

Industrial control system An industrial control system (ICS) is an electronic control system and associated instrumentation used for industrial process control. Control systems can range in size from a few modular panel-mounted controllers to large interconnected and in ...

, a general term used in industrial process control *

Proportional control Proportional control, in engineering and process control, is a type of linear feedback control system in which a correction is applied to the controlled variable, and the size of the correction is proportional to the difference between the desi ...

, a type of linear feedback control system

Biomedical

* Elite controllers, individuals who do not develop AIDS after exposure to HIV

Fiction

Controller (comics) Controller, in comics, may refer to: *Controller (Marvel Comics) Controller (Basil Sandhurst) is a supervillain appearing in American comic books published by Marvel Comics. The character is usually depicted as an enemy of Iron Man. Publication ...

, multiple characters **

Controller (Marvel Comics) Controller (Basil Sandhurst) is a supervillain appearing in American comic books published by Marvel Comics. The character is usually depicted as an enemy of Iron Man. Publication history Controller first appeared in ''Iron Man'' #12 and was cre ...

, a fictional character in Marvel Comics **

Controllers (DC Comics) The Controllers are a fictional extraterrestrial race existing in the DC Universe. They first appear in ''Adventure Comics'' #357 (June 1967), and were created by Jim Shooter, Mort Weisinger, and Curt Swan. Fictional character biography Pre-Cr ...

, a fictional extraterrestrial race in the DC Universe *

The Fat Controller The Fat Controller, whose real name is Sir Topham Hatt, is a fictional character in ''The Railway Series'' books written by the Reverend W. Awdry and his son, Christopher Awdry. In the first two books in the series ('' The Three Railway Engin ...

(Sir Topham Hatt), the head of the railway in ''The Railway Series'' of books written by the Reverend W.V. Awdry, also The Thin Controller and The Small Controller on other railway lines in those books * Controller, a being controlled by a Yeerk in the ''

Animorphs ''Animorphs'' is a science fantasy series of children's books written by Katherine Applegate and her husband Michael Grant, writing together under the name K. A. Applegate, and published by Scholastic. It is told in first person, with all ...

'' series by K.A. Applegate * ''The Controller'', an AI system in the ''

Armored Core 3 is a 2002 third-person shooter mecha video game developed by FromSoftware for the PlayStation 2. It is the sixth entry in the ''Armored Core'' series. ''Armored Core 3'' acts as a reboot for the franchise and begins a storyline that would continu ...

'' video game

Music

* ''Controller'' (Misery Signals album), 2008 * ''Controller'' (British India album), 2013 *

The Controllers (R&B band) The Controllers are an American soul and R&B vocal group, originally from Birmingham, Alabama, who had a series of successful recordings in the late 1970s and the 1980s. Career Originally part of an eight-member gospel group, the group became ...

, a 1980s rhythm-and-blues band *

MIDI controller A MIDI controller is any hardware or software that generates and transmits Musical Instrument Digital Interface (MIDI) data to MIDI-enabled devices, typically to trigger sounds and control parameters of an electronic music performance. They mos ...

, device which allows people or machines to control multiple aspects of audiovisual performances with MIDI messages * "Controller", a song from the 1981 album ''

Only a Lad ''Only a Lad'' is the full-length debut album by American new wave band Oingo Boingo, released in 1981, following their self-titled EP. Composition Music The album's musical arrangements, by vocalist Danny Elfman and guitarist Steve Bartek, comp ...

'' by the new-wave band Oingo Boingo * "The Controller", a nickname of musician