In this article, we develop a methodology for trajectory tracking control of a vertical takeoff and landing (VTOL) unmanned aerial vehicle (UAV) in the presence of unknown mass and time-varying ...

AV Flies Wildcat VTOL UAS In DARPA’s Evade Project is published in Aerospace Daily & Defense Report, an Aviation Week ...

The Defense Advanced Research Projects Agency (DARPA) has sped up the start of flight-testing by more than a year of vertical takeoff and landing (VTOL) ...