Now showing items 19-38 of 102

    • Design and Development of a Low-Cost Test-Bed for Undergraduate Education in UAVs 

      Jung, Dongwon; Jevy, E. J.; Zhou, D.; Fink, R.; Moshe, J.; Earl, A.; Tsiotras, Panagiotis (Georgia Institute of Technology, 2005)
      This article describes the efforts undertaken at the School of Aerospace Engineering at the Georgia Institute of Technology for the development of a low-cost Unmanned Aerial Vehicle (UAV) test-bed for educational purposes. ...
    • Design and Implementation of a Self-configuring Ad-hoc Network for Unmanned Aerial Systems 

      Christmann, Hans Claus; Johnson, Eric N. (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, Inc., 2007-10)
      Unmanned aerial vehicles (UAVs), and unmanned aerial systems (UAS) as such in general, need wireless networks in order to communicate. UAS are very flexible and hence allow for a wide range of missions by means of utilizing ...
    • Design, Development, and Testing of a Low Cost, Fully Autonomous Indoor Unmanned Aerial System 

      Chowdhary, Girish; Sobers, D. Michael Jr.; Salaün, Erwan; Ottander, John; Johnson, Eric N. (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, 2010-08)
      This paper is concerned with the design, development, and autonomous flight testing of the GT Lama indoor Unmanned Aerial System (UAS). The GT Lama is a fully autonomous rotorcraft UAS capable of indoor area exploration. ...
    • Development and Evaluation of an Automated Path Planning Aid 

      Watts, Robert; Christmann, Hans Claus; Johnson, Eric N.; Feigh, Karen; Panagiotis, Tsiotras (Georgia Institute of Technology.American Institute of Aeronautics and Astronautics (AIAA), 2012-11)
      Handling en route emergencies in modern transport aircraft through adequate teamwork between the pilot, the crew and the aircraft’s automation systems is an ongoing and active field of research. An automated path planning ...
    • Development of a 500 gram Vision-based Autonomous Quadrotor Vehicle Capable of Indoor Navigation 

      Haviland, Stephen; Bershadsky, Dmitry; Magree, Daniel; Johnson, Eric N. (Georgia Institute of Technology, 2015-05)
      This paper presents the work and related research done in preparation for the American Helicopter Society (AHS) Micro Aerial Vehicle (MAV) Student Challenge. The described MAV operates without human interaction in search ...
    • Development of an Autonomous Aerial Reconnaissance System at Georgia Tech 

      Proctor, Alison A.; Kannan, Suresh K.; Raabe, Chris; Christophersen, Henrik B.; Johnson, Eric N. (Georgia Institute of Technology, 2003-07)
      The Georgia Tech aerial robotics team has developed a system to compete in the International Aerial Robotics Competition, organized by the Association for Unmanned Vehicle Systems, International. The team is a multi-disciplinary ...
    • Efficient Approximation of Optimal High-Order Kinematic Trajectories 

      Mooney, John; Johnson, Eric N. (Georgia Institute of Technology, 2016-01)
      A method for efficiently planning one-dimensional pop-limited trajectories is presented, along with a direct method for synchronizing trajectories across multiple dimensions. This heuristic is designed for a double ...
    • Estimation and Guidance Strategies for Vision-based Target Tracking 

      Calise, Anthony J.; Johnson, Eric N.; Sattigeri, Ramachandra J.; Watanabe, Yoko; Madyastha, Venkatesh (Georgia Institute of TechnologyAACC, 2005-06)
      This paper discusses estimation and guidance strategies for vision-based target tracking. Specific applications include formation control of multiple unmanned aerial vehicles (UAVs) and air-to-air refueling. We assume that ...
    • Feasibility Study to Determine the Economic and Operational Benefits of Utilizing Unmanned Aerial Vehicles (UAVs) 

      Irizarry, Javier; Johnson, Eric N. (Georgia Institute of Technology, 2014-05-06)
      This project explored the feasibility of using Unmanned Aerial Systems (UASs) in Georgia Department of Transportation (GDOT) operations. The research team conducted 24 interviews with personnel in four GDOT divisions. ...
    • Feedback Navigation in an Uncertain Flow Field and Connections with Pursuit Strategies 

      Bakolas, Efstathios; Tsiotras, Panagiotis (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, 2012)
      This paper presents several classes of control laws for steering an agent, that is, an aerial or marine vehicle, in the presence of a both temporally and spatially varying drift field induced by local winds/currents. The ...
    • 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 ...
    • Flight Test Results of Autonomous Fixed-Wing Transition 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, 2008-03)
      Linear systems can be used to adequately model and control an aircraft in either ideal steady-level flight or in ideal hovering flight. However, constructing a single unified system capable of adequately modeling or ...
    • Flight Test Validation of a Neural Network based Long Term Learning Adaptive Flight Controller 

      Chowdhary, Girish; Johnson, Eric N. (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, Inc., 2009-08)
      The purpose of this paper is to present and analyze flight test results of a Long Term Learning Adaptive Flight Controller implemented on a rotorcraft and a fixed wing Unmanned Aerial Vehicle. The adaptive control ...
    • Flight Testing of Nap of-the-Earth Unmanned Helicopter Systems 

      Johnson, Eric N.; Mooney, John G.; Ong, Chester; Sahasrabudhe, Vineet; Hartman, Jonathan (Georgia Institute of Technology, 2011-05)
      This paper describes recent results from a partnership between the Sikorsky Aircraft Corporation and the Georgia Institute of Technology to develop, improve, and flight test a sensor, guidance, navigation, control, ...
    • Fourteen Years of Autonomous Rotorcraft Research at the Georgia Institute of Technology 

      Johnson, Eric N.; Mooney, John G.; Christophersen, Henrik B. (Georgia Institute of Technology, 2013)
      This paper presents a brief history and description of capabilities of the Georgia Tech Unmanned Aerial Vehicle Research Facility, while extracting and summarizing many significant and applicable results produced in the ...
    • Georgia Tech Aerial Robotics Team: 2009 International Aerial Robotics Competition Entry 

      Chowdhary, Girish; Christmann, Hans Claus; Johnson, Eric N.; Salaün, Erwan; Sobers, D. Michael Jr. (Georgia Institute of Technology, 2009-07)
      This paper examines the use of low-cost range and target identification sensors on a stable flying vehicle for suitability in solving the 5th Mission proposed for the 2009 International Aerial Robotics Competition. The ...
    • Georgia Tech Team Entry for the 2011 AUVSI International Aerial Robotics Competition 

      Chowdhary, Girish; Magree, Daniel; Bershadsky, Dmitry; Dyer, Timothy; George, Eohan; Hashimoto, Hiroyuki; Kalghatgi, Roshan; Johnson, Eric N. (Georgia Institute of Technology, 2011-08)
      his paper describes the details of a Quadrotor Unmanned Aerial Vehicle capable of exploring cluttered indoor areas without relying on any external navigational aids. An elaborate Simultaneous Localization and Mapping (SLAM) ...
    • Georgia Tech Team Entry for the 2012 AUVSI International Aerial Robotics Competition 

      Magree, Daniel; Bershadsky, Dmitry; Wang, Xo; Valdez, Pierre; Antico, Jason; Coder, Ryan; Dyer, Timothy; George, Eohan; Johnson, Eric N. (Georgia Institute of Technology, 2012-08)
      This paper describes the details of a Quadrotor Unmanned Aerial Vehicle capable of exploring cluttered indoor areas without relying on any external navigational aids. A Simultaneous Localization and Mapping (SLAM) algorithm ...
    • Georgia Tech Team Entry for the 2013 AUVSI International Aerial Robotics Competition 

      Magree, Daniel; Bershadsky, Dmitry; Costes, Chris; Haviland, Stephen; Sanz, David; Kim, Eric; Valdez, Pierre; Dyer, Timothy; Johnson, Eric N. (Georgia Institute of Technology, 2013-08)
    • GPS-denied Indoor and Outdoor Monocular Vision Aided Navigation and Control of Unmanned Aircraft 

      Chowdhary, Girish; Johnson, Eric N.; Magree, Daniel; Wu, Allen; Shein, Andy (Georgia Institute of Technology, 2013-05)
      GPS-denied closed-loop autonomous control of unstable Unmanned Aerial Vehicles (UAVs) such as rotorcraft using information from a monocular camera has been an open problem. Most proposed Vision aided Inertial Navigation ...