NASA has launched the final stage of a four-year effort to develop a national traffic management system for drones, testing them in cities for the first time beyond the operator鈥檚 line of sight as businesses look in the future to unleash the unmanned devices in droves above busy streets and buildings.
Multiple drones took to the air at the same time above downtown Reno this week in a series of simulations testing emerging technology that someday will be used to manage hundreds of thousands of small unmanned commercial aircraft delivering packages, pizzas and medical supplies.
鈥淭his activity is the latest and most technical challenge we have done with unmanned aerial systems,鈥� said David Korsmeyer, associate director of research and technology at NASA鈥檚 Ames Research Center in Mountain View, California.
An autonomous drone took off Tuesday from the rooftop of a five-story casino parking garage and landed on the roof of another out of view across the street. It hovered as onboard sensors adjusted for gusty winds before returning close to the centre of the launchpad.
Equipped with GPS, others flew at each other no higher than city streetlights but were able to avoid colliding through onboard tracking systems connected to NASA鈥檚 computers on the ground.
Similar tests have been conducted in remote and rural areas. The Federal Aviation Administration has authorized individual test flights in cities before but never for multiple drones or outside the sight of the operator.
The new round of tests continuing this summer in Reno and Corpus Christi, Texas, marks the first time simulations have combined all those scenarios, said Chris Walach, executive director of the Nevada Institute of Autonomous Systems, which is running the Reno tests of unnamed aerial vehicles, or UAVs.
鈥淲hen we began this project four years ago, many of us wouldn鈥檛 have thought we鈥檇 be standing here today flying UAVs with advanced drone systems off high-rise buildings,鈥� he said.
The team adopted a 鈥渃rawl, walk, run鈥� philosophy when it initiated tests in 2015, culminating with this fourth round of simulations, said Ron Johnson, project manager for unmanned aircraft systems traffic management at NASA鈥檚 Ames Research Center.
鈥淲e are definitely in the 鈥榬un鈥� phase of this development here in Reno,鈥� he said.
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The results will be shared with the FAA. The agency outlined proposed rules in January that would ease restrictions on flying drones over crowds but said it won鈥檛 take final action until it finishes another regulation on identifying drones as they鈥檙e flying 鈥� something industry analysts say could be years away.
Critics assert that the FAA has stymied the commercial use of drones by applying the same rigid safety standard it uses for airlines.
鈥淭here can be a lot of Silicon Valley mentality where people don鈥檛 want to wait. So, we鈥檙e trying to strike a balance between unleashing entrepreneurship and ensuring we鈥檙e doing it safely while trying to accelerate acceptance of drones in public,鈥� Johnson said.
Amazon and FedEx are among the companies that hope to send consumer products by drone by 2020.Drone delivery company Flirtey began testing delivery of defibrillators for cardiac arrest patients last year in Reno under FAA oversight.
Johnson said cities present the biggest challenges because of limited, small landing areas among tall buildings that create navigation and communication problems.
He said it became apparent early on that the travel management plans for drones would have to be completely automated because FAA air traffic controllers can鈥檛 handle the enormous workload.
The system is being tested with the help of 36 private partners, including drone manufacturers, operators, software developers and other third-party service providers, Johnson said.
The system uses software on the ground that communicates flight plans and positions to other software systems. The drones are equipped with programs for landing, avoiding crashes, surveillance, detection and identification, optical cameras and systems similar to radar that work with lasers.
Huy Tran, director of aeronautics at NASA鈥檚 Ames Research Center, said her supervisors at NASA headquarters were surprised to hear they had be testing drones in Reno.
鈥淭hey said, 鈥楢re you crazy?鈥欌�� she said. 鈥淲e hope (the test in) Reno shows drones can be flown and land safely.鈥�
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Scott Sonner, The Associated Press
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