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Small Unmanned Aircraft Electromagnetic Interference (EMI) Initial AssessmentWith many applications envisioned for small Unmanned Aircraft Systems (sUAS), and potentially millions of sUAS expected to be in operation in the future, the electromagnetic interference environment associated with the sUAS is of interest to understanding the potential performance impacts on the sUAS command and control communications link as well as the sUAS payload and payload links. As part of NASAâ€"TM"s UAS Traffic Management (UTM) Project, flight experiments are planned to characterize the RF environment at altitudes up to 400 ft to better understand how UTM command and control links can be expected to perform. The flight experiments will use an RF channel sensing payload attached to an sUAS. In terms of the payload being capable of measuring relatively low level signals at altitude, electromagnetic interference (EMI) emanating from the sUAS vehicle itself could potentially complicate the measurement process. For this reason, NASA was interested in measuring the EMI performance of the sUAS planned for these flight experiments, a DJI model S1000. The S1000 was thus measured in a controlled EMI test chamber at the NASA Ames Research Center. The S1000 is a carbon fiber based platform with eight rotors. As such, the EMI test results represent potential performance of a number of similar sUAS types. sUAS platforms significantly different from the S1000 may also require EMI testing, and the method employed for NASAâ€"TM"s S1000 EMI tests can be applied to other platforms. In this paper we describe the UTM project, the RF channel sensing payload, the EMI testing method and EMI test results for the S1000, and discuss the implications of these results.
Document ID
20180002414
Acquisition Source
Ames Research Center
Document Type
Conference Paper
Authors
Jung, Jaewoo
(NASA Ames Research Center Moffett Field, CA, United States)
Ippolito, Corey
(NASA Ames Research Center Moffett Field, CA, United States)
Rogers, Christopher
(ZIN Technologies, Inc. Brook Park, OH, United States)
Kerczewski, Robert
(NASA Glenn Research Center Cleveland, OH, United States)
Downey, Alan
(NASA Glenn Research Center Cleveland, OH, United States)
Matheou, Konstantin
(ZIN Technologies, Inc. Brook Park, OH, United States)
Date Acquired
April 17, 2018
Publication Date
April 10, 2018
Subject Category
Air Transportation And Safety
Report/Patent Number
ARC-E-DAA-TN53738
Meeting Information
Meeting: Integrated Communications Navigation and Surveillance (ICNS) 2018 Conference
Location: Herndon, VA
Country: United States
Start Date: April 10, 2018
End Date: April 12, 2018
Sponsors: NASA Headquarters
Funding Number(s)
CONTRACT_GRANT: NNC12BA01B
CONTRACT_GRANT: NNC14CA02C
Distribution Limits
Public
Copyright
Public Use Permitted.
Keywords
traffic management
EMI
Unmanned aircraft
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