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An unmanned aerial vehicle (UAV), commonly known as a drone, is an aircraft without a human pilot aboard. UAVs / drones are a component of an unmanned aircraft system (UAS); which include a UAV, a ground-based controller, and a system of communications between the two. The flight of UAVs may operate with various degrees of drone autonomy: either under remote control by a human operator or autonomously by onboard computers.
Compared to manned aircraft, UAVs were originally used for missions too "dull, dirty or dangerous" for humans. While drones originated mostly in military applications, their use is rapidly expanding to commercial, scientific, recreational, agricultural, and other applications, such as policing, peacekeeping, and drone surveillance, drone deliveries, aerial drone photography, drone agriculture, drone smuggling and drone racing. Civilian drone UAVs now vastly outnumber military UAVs, with estimates of over a million sold by 2015, so they can be seen as an early commercial application of autonomous things, to be followed by the autonomous car and home robots.
ICAO classifies unmanned aircraft as either remotely piloted aircraft or fully autonomous drone . Actual UAVs may offer intermediate degrees of autonomy. E.g., a vehicle that is remotely piloted in most contexts may have an autonomous return-to-base operation.
Basic drone autonomy comes from proprioceptive sensors. Advanced drone autonomy calls for situational awareness, knowledge about the environment surrounding the aircraft from exterioceptive sensors: sensor fusion integrates information from multiple sensors.
One way to achieve autonomous drone control employs multiple control-loop layers, as in hierarchical control systems. As of 2016 the low-layer loops (i.e. for flight control) tick as fast as 32,000 times per second, while higher-level loops may cycle once per second. The principle is to decompose the aircraft's behavior into manageable "chunks", or states, with known transitions. Hierarchical control system types range from simple scripts to finite state machines, behavior trees and hierarchical task planners. The most common drone control mechanism used in these layers is the PID controller which can be used to achieve hover for a drone quadcopter by using data from the IMU to calculate precise inputs for the electronic speed controllers and motors.
The consumer drone market is dominated by Chinese companies. Chinese drone manufacturer DJI alone has 75% of civilian-market share in 2017 with $11 billion forecast global sales in 2020.Followed by French company Parrot drone with $110m and US company 3DRobotics drone with $21.6m in 2014.As of March 2017, more than 770,000 civilian drones were registered with the U.S. FAA, though it is estimated more than 1.1 million drones have been sold in the United States alone.
Civilian drone market is relatively new compare to military. Companies are emerging in both developed and developing nations at the same time. Many early stage startups have received support and funding from investors like in United States and by government agencies as the case in India.
There is a body of films featuring drones (unmanned aerial vehicles). The Hollywood Reporter wrote in February 2016, "There has been no shortage of films dealing with drones over the last few years... audiences have recently had the occasion to explore a form of modern warfare whose true repercussions are yet to be fully understood, let alone divulged to the general public."[1] The Wall Street Journal's Caryn James said of drone technology, "Movies and television shows increasingly grapple with those unprecedented aspects of war," highlighting Good Kill's release in 2015.
Henry Barnes wrote in The Guardian in April 2016, "In real life, drone warfare has prompted protests, legal action and revolt. Until now, films about drones haven't properly engaged in the debate. They either forget there's someone at the controls, emphasising the alien nature of a remote, robotic death, or, like London Has Fallen, use drones as just another weapon in the arsenal; a cool tool to make bigger, badder bangs." Barnes highlighted Eye in the Sky (2015) as an example of "one of the first drone movies to work in the grey areas" of drone warfare. Jason Bourque wrote in The New York Times of Good Kill and Eye in the Sky, "Those films examined the moral struggles of military personnel as they conduct missions with clinical precision while far removed from danger."
https://en.wikipedia.org/wiki/Unmanned_aerial_vehicle#Autonomy
https://en.wikipedia.org/wiki/List_of_films_featuring_drones
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An unmanned aerial vehicle (UAV), commonly known as a drone, is an aircraft without a human pilot aboard. UAVs / drones are a component of an unmanned aircraft system (UAS); which include a UAV, a ground-based controller, and a system of communications between the two. The flight of UAVs may operate with various degrees of drone autonomy: either under remote control by a human operator or autonomously by onboard computers.
Compared to manned aircraft, UAVs were originally used for missions too "dull, dirty or dangerous" for humans. While drones originated mostly in military applications, their use is rapidly expanding to commercial, scientific, recreational, agricultural, and other applications, such as policing, peacekeeping, and drone surveillance, drone deliveries, aerial drone photography, drone agriculture, drone smuggling and drone racing. Civilian drone UAVs now vastly outnumber military UAVs, with estimates of over a million sold by 2015, so they can be seen as an early commercial application of autonomous things, to be followed by the autonomous car and home robots.
ICAO classifies unmanned aircraft as either remotely piloted aircraft or fully autonomous drone . Actual UAVs may offer intermediate degrees of autonomy. E.g., a vehicle that is remotely piloted in most contexts may have an autonomous return-to-base operation.
Basic drone autonomy comes from proprioceptive sensors. Advanced drone autonomy calls for situational awareness, knowledge about the environment surrounding the aircraft from exterioceptive sensors: sensor fusion integrates information from multiple sensors.
One way to achieve autonomous drone control employs multiple control-loop layers, as in hierarchical control systems. As of 2016 the low-layer loops (i.e. for flight control) tick as fast as 32,000 times per second, while higher-level loops may cycle once per second. The principle is to decompose the aircraft's behavior into manageable "chunks", or states, with known transitions. Hierarchical control system types range from simple scripts to finite state machines, behavior trees and hierarchical task planners. The most common drone control mechanism used in these layers is the PID controller which can be used to achieve hover for a drone quadcopter by using data from the IMU to calculate precise inputs for the electronic speed controllers and motors.
The consumer drone market is dominated by Chinese companies. Chinese drone manufacturer DJI alone has 75% of civilian-market share in 2017 with $11 billion forecast global sales in 2020.Followed by French company Parrot drone with $110m and US company 3DRobotics drone with $21.6m in 2014.As of March 2017, more than 770,000 civilian drones were registered with the U.S. FAA, though it is estimated more than 1.1 million drones have been sold in the United States alone.
Civilian drone market is relatively new compare to military. Companies are emerging in both developed and developing nations at the same time. Many early stage startups have received support and funding from investors like in United States and by government agencies as the case in India.
There is a body of films featuring drones (unmanned aerial vehicles). The Hollywood Reporter wrote in February 2016, "There has been no shortage of films dealing with drones over the last few years... audiences have recently had the occasion to explore a form of modern warfare whose true repercussions are yet to be fully understood, let alone divulged to the general public."[1] The Wall Street Journal's Caryn James said of drone technology, "Movies and television shows increasingly grapple with those unprecedented aspects of war," highlighting Good Kill's release in 2015.
Henry Barnes wrote in The Guardian in April 2016, "In real life, drone warfare has prompted protests, legal action and revolt. Until now, films about drones haven't properly engaged in the debate. They either forget there's someone at the controls, emphasising the alien nature of a remote, robotic death, or, like London Has Fallen, use drones as just another weapon in the arsenal; a cool tool to make bigger, badder bangs." Barnes highlighted Eye in the Sky (2015) as an example of "one of the first drone movies to work in the grey areas" of drone warfare. Jason Bourque wrote in The New York Times of Good Kill and Eye in the Sky, "Those films examined the moral struggles of military personnel as they conduct missions with clinical precision while far removed from danger."
https://en.wikipedia.org/wiki/Unmanned_aerial_vehicle#Autonomy
https://en.wikipedia.org/wiki/List_of_films_featuring_drones
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