Greased Lightning (GL-10) Flight Testing Campaign

Abstract: Greased Lightning (GL-10) is an aircraft configuration that combines the characteristics of a cruise efficient…

Diagnostic Techniques to Elucidate the Aerodynamic Performance of Acoustic Liners

Abstract: In support of Topic A.2.8 of NASA NRA NNH10ZEA001N, the University of Florida (UF) has…

An Autonomous Distributed Fault-Tolerant Local Positioning System

Abstract: We describe a fault-tolerant, GPS-independent (Global Positioning System) distributed autonomous positioning system for static/mobile objects…

Implementation of a Battery Health Monitor and Vertical Lift Aircraft Testbed for the Application of an Electrochemisty-Based State of Charge Estimator

Abstract: Prediction methods concerning remaining charge in lithium-ion batteries that power unmanned aerial vehicles are of…

Asteroid Pond Mineralogy: View from a Cognate Clast in LL3 NWA 8330

Abstract: All asteroids surfaces imaged at the cm-scale reveal the presence of pond deposits. These ponds…

Challenges in the Verification of Reinforcement Learning Algorithms

Abstract: Machine learning (ML) is increasingly being applied to a wide array of domains from search…

Lift Recovery for AFC-Enabled High Lift System

Abstract: This project is a continuation of the NASA AFC-Enabled Simplified High-Lift System Integration Study contract…

Assurance Arguments for the Non-Graphically-Inclined: Two Approaches

Abstract: We introduce and discuss two approaches to presenting assurance arguments. One approach is based on…

Simulating the Impact Response of Three Full-Scale Crash Tests of Cessna 172 Aircraft

Abstract: During the summer of 2015, a series of three full-scale crash tests were performed at…

Re-Tooling the Agency’s Engineering Predictive Practices for Durability and Damage Tolerance

Abstract: Over the past decade, the Agency has placed less emphasis on testing and has increasingly…