From Pamela Gregg, Communication Administrator
Tests reveal that bigger may not always be better in competitions involving unmanned aircraft and UAVs.
When a military helicopter and a little quadcopter collided midair the helicopter sustained only slight damage and returned safely home . But evaluations reveal that bigger may not always be better in competitions involving little UAVs and aircraft.
In a test designed to mimic a midair crash at 238 mph, researchers in UDRI’s Impact Physics team launched a 2.1-pound DJI Ghost 2 quadcopter at the wing of a Mooney M20 aircraft. The drone didn’t shatter on impact, but tore open the edge of the wing since it bore to the structure, damaging its spar. “Even though the quadcopter broke apart, its energy and mass hung with each other to create considerable damage to the wing,” stated Kevin Poormon, team leader for effect mathematics at UDRI.
Poormon explained, Since the amount of hobby drones from the air increases, so does the chance of a catastrophic event. “rsquo We &;t performed then we now, and bird-strike testing for 40 decades ’ve noticed the kind of damage birds can do. Drones are alike in weight to your birds, and therefore we’t watched with growing concern as reports of close collisions have grown, and much more so following the crash this past year involving an Army Blackhawk helicopter along with a hobby drone the operator flew beyond his line of web site.
Even though the helicopter returned home Poormon stated it is just a matter of time before a drone strike causes damage.
“We wanted to help the aviation industry and the industry understand the risks that recreational drones can present to aircraft prior to a significant event occurs. However there’s little to no information about the sort of damage UAVs can do, and the information that is available has come just from modeling and simulations,” said Poormon, whose team has fired human drone batteries, motors and cameras at metal panels. “” We knew the only way to study and understand that the problem was supposed to make a real crash, and then now we ’re completely equipped to accomplish this. ”
Poormon and his staff collaborated with the Sinclair College National UAS Certification and Training Center for advice on unmanned technologies. “rsquo & & We;re blessed to be in close proximity to rsquo & Sinclair;s famous UAS Center,” Poormon explained. &re experts on bird strikes ldquo; rsquo & We, but Sinclair’s team provided valuable insight about how these programs are used and helped us determine the best models for testing. ” Additionally, Sinclair loaned UDRI a aircraft wing to serve as a target and, since the faculty also provides a program in airframe aviation maintenance, supplied quadcopters for testing.
A shot was fired by researchers at the Mooney wing Following calibration work to make sure they could control the rate, orientation and trajectory of a drone. The researchers subsequently fired a weighted gel “rdquo & bird; into another portion of the wing to compare benefits. “also the Phantom penetrated to the wing and damaged the main spar, which the bird did not do, although The bird did damage to the wing’s leading edge. ”
Poormon said tests and bigger drones such as engines and windscreens, on additional aerospace structures, would provide critical details about how a collision could be. He and his staff are hoping even this evaluation outcome will help bring awareness about the importance of regulations associated with safe drone operating.
“It’s not practical to control manned air vehicles to attempt and avoid collisions with a quickly increasing population of drones, but it’s sensible –and we believe it’s necessary–to govern UAV operation,” Poormon explained.
“Now, there are other elements that could be considered associated with UAV production that could help enhance security, such as building drones to be frangible–meaning they’ll shatter more readily on impact–or keeping them under a certain weight limit,” Poormon explained. “The shipping business is already currently exploring ways to use drones for package delivery. That might require thicker and bigger drones which, when combined with a package’s burden, can easily reevaluate a Canada goose, known to do damage to aircraft. ”
Andrew Shepherd, executive director and leader at Sinclair’s National UAS Training and Certification Center, said that the emergence of unmanned airborne systems from both civil and commercial markets is projected to be a significant driver of economic activity and is already providing value across several industries. “this sort of testing indicates that we are trying to understand them and positively influence policy and operations to mitigate potential dangers, & rdquo and recognized the potential risks . “Collaborating using rsquo & UDRI;s leading experts and world-class testing centers helps us meet our mission to make the skies safer for unmanned aircraft and manned vehicles equally, although to not only advance technology for unmanned techniques. ”
Poormon said that his staff is not aware of any other laboratory in the nation performing controlled drone strikes on structures for research or information generation.
UDRI functions the most diversified effect physics laboratory on earth, using 12 gun collections capable of propelling objects at velocities ranging from thousands of feet per second to over 33,000 feet per second. Researchers routinely perform testing and research in the fields of penetration mechanics armor design and evaluation, foreign object damage , hypervelocity impact testing and investigation, and behavior of substances.
Considering that 2008, Sinclair College has been investing considerably to establish a nationally prominent program specializing in meeting the workforce demands of the developing UAS industry, developing curriculum, and creating ventures.
Released at Sat, 22 Sep 2018 09:29:46 +0000
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Released at Sat, 22 Sep 2018 09:24:11 +0000