Verification of a Remaining Flying Time Prediction System for Small Electric Aircraft
This paper addresses the problem of building trust in online predictions of a battery powered aircraft's remaining available flying time. A set of ground tests is described that make use of a small unmanned aerial vehicle to verify the performance of remaining flying time predictions. The algor...
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Published in | NASA Center for AeroSpace Information (CASI). Conference Proceedings |
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Main Authors | , , , , , , , |
Format | Conference Proceeding |
Language | English |
Published |
Hampton
NASA/Langley Research Center
18.10.2015
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Subjects | |
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Abstract | This paper addresses the problem of building trust in online predictions of a battery powered aircraft's remaining available flying time. A set of ground tests is described that make use of a small unmanned aerial vehicle to verify the performance of remaining flying time predictions. The algorithm verification procedure described here uses a fully functional vehicle that is restrained to a platform for repeated run-to-functional-failure experiments. The vehicle under test is commanded to follow a predefined propeller RPM profile in order to create battery demand profiles similar to those expected in flight. The fully integrated aircraft is repeatedly operated until the charge stored in powertrain batteries falls below a specified lower-limit. The time at which the lower-limit on battery charge is crossed is then used to measure the accuracy of remaining flying time predictions. Accuracy requirements are considered in this paper for an alarm that warns operators when remaining flying time is estimated to fall below a specified threshold. |
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AbstractList | This paper addresses the problem of building trust in online predictions of a battery powered aircraft's remaining available flying time. A set of ground tests is described that make use of a small unmanned aerial vehicle to verify the performance of remaining flying time predictions. The algorithm verification procedure described here uses a fully functional vehicle that is restrained to a platform for repeated run-to-functional-failure experiments. The vehicle under test is commanded to follow a predefined propeller RPM profile in order to create battery demand profiles similar to those expected in flight. The fully integrated aircraft is repeatedly operated until the charge stored in powertrain batteries falls below a specified lower-limit. The time at which the lower-limit on battery charge is crossed is then used to measure the accuracy of remaining flying time predictions. Accuracy requirements are considered in this paper for an alarm that warns operators when remaining flying time is estimated to fall below a specified threshold. |
Author | Celaya, Jose R Hogge, Edward F Quach, Cuong C Hill, Boyd L Bole, Brian M Smalling, Kyle M Strom, Thomas H Vazquez, Sixto L |
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Copyright | Copyright NASA/Langley Research Center Oct 18, 2015 |
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Snippet | This paper addresses the problem of building trust in online predictions of a battery powered aircraft's remaining available flying time. A set of ground tests... |
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SubjectTerms | Aircraft Fly by wire control Ground tests Powertrain Storage batteries Trustworthiness Unmanned aerial vehicles |
Title | Verification of a Remaining Flying Time Prediction System for Small Electric Aircraft |
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