AUTONOMOUS AIRBAG SYSTEM FOR UNMANNED AERIAL VEHICLES
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United States of America Patent
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Issued Date -
Sep 22, 2016
app pub date -
Mar 17, 2015
filing date -
Mar 31, 2014
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Abstract
The present disclosure is related to an autonomous airbag unit (AAU) for an unmanned aerial vehicle (UAV). The AAU includes a first sensor configured to determine a speed of the UAV, a second sensor configured to determine a relative speed of the UAV in relation to an object with which the UAV is likely to collide, an airbag cushion, an inflator connected to the airbag cushion, and an airbag control unit, connected to the first and second sensors and inflator. The airbag control unit is configured to estimate a momentum of the UAV based on a speed of the UAV, determine if the momentum of the UAV exceeds a threshold momentum value, determine if the relative speed of the UAV in relation to the object exceeds a threshold relative speed, and enable the inflator to inflate the airbag cushion when the momentum and the relative speed exceeds respective threshold limits.
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