• Adaptive Trajectory Control for Autonomous Helicopters 

      Johnson, Eric N.; Kannan, Suresh K. (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, Inc., 2005)
      For autonomous helicopter flight, it is common to separate the flight control problem into an inner loop that controls attitude and an outer loop that controls the translational trajectory of the helicopter. In previous ...
    • Flight Results of Autonomous Fixed-Wing UAV Transitions to and from Stationary Hover 

      Johnson, Eric N.; Turbe, Michael A.; Wu, Allen D.; Kannan, Suresh K.; Neidhoefer, James C. (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, Inc., 2006-08)
      Fixed-wing unmanned aerial vehicles (UAVs) with the ability to hover have significant potential for applications in urban or other constrained environments where the combination of fast speed, endurance, and stable ...
    • Hierarchical motion planning with kinodynamic feasibility guarantees: Local trajectory planning via model predictive control 

      Cowlagi, Raghvendra V.; Tsiotras, Panagiotis (Georgia Institute of Technology, 2012-05)
      Motion planners for autonomous vehicles often involve a two-level hierarchical structure consisting of a high-level, discrete planner and a low-level trajectory generation scheme. To ensure compatibility between these two ...