Scholarly work from the School of Aerospace Engineering

Recent Submissions

  • CFD Study of an Over-Wing Nacelle Configuration 

    Berguin, Steven H.; Renganathan, Sudharshan Ashwin; Ahuja, Jai; Chen, Mengzhen; Perron, Christian; Tai, Jimmy; Mavris, Dimitri N. (Georgia Institute of Technology, 2018-10-05)
    Engine bypass ratio (BPR) has grown significantly over the years, due to a desire for increased efficiency, and the large fan diameters that have resulted are forcing the engines so close to the wing that there is no room ...
  • Georgia Tech Mars Exploration UAV Collaborative System: A Conceptual Design and Systems Engineering Study 

    Lacerda, Michel; Park, Dongjin; Beard, Robert; Schrage, Daniel (Georgia Institute of Technology, 2017-12-14)
    Exploration of Mars has been one of the focus of the aerospace community for its similarity with the Earth. The characteristics of Mars make possible an aerial flight even with the low pressure in its atmosphere. In an age ...
  • State Estimation using Gaussian Process Regression for Colored Noise Systems 

    Lee, Kyuman; Johnson, Eric N. (Georgia Institute of TechnologyIEEE, 2017-06)
    The goal of this study is to use Gaussian process (GP) regression models to estimate the state of colored noise systems. The derivation of a Kalman filter assumes that the process noise and measurement noise are uncorrelated ...
  • Parachute Dynamic Stability and the Effects of Apparent Inertia 

    Ginn, Jason M.; Clark, Ian G.; Braun, Robert D. (Georgia Institute of Technology, 2014-06)
    The dynamic stability and equilibrium conditions of a parachute are studied using a six degree of freedom dynamic model that includes apparent inertia effects. Existing parachute dynamic models are discussed and the selection ...
  • A Comparison of Automatic Nap-of-the-Earth Guidance Strategies for Helicopters 

    Johnson, Eric N.; Mooney, John G. (Georgia Institute of Technology, 2014-05)
    This paper describes updated 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, and ...
  • Collaborative Search and Pursuit for Autonomous Helicopters 

    Johnson, Eric N.; Mooney, John G. (Georgia Institute of Technology, 2014-05)
    This paper describes recent results to develop, improve, and flight test a multi-aircraft collaborative architecture, focused on decentralized autonomous decision-making. The architecture includes a search coverage algorithm, ...
  • Everything I Needed to be Successful I Learned in Kindergarten 

    Magnus, Sandra (Georgia Institute of Technology, 2014-04-02)
  • Terrain Height Evidence Sharing for Collaborative Autonomous Rotorcraft Operation 

    Johnson, Eric N.; Mooney, John G.; White, Matthew; Hartman, Jonathan; Sahasrabudhe, Vineet (Georgia Institute of Technology, 2013-01)
    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, and ...
  • High Performance Nap-of-the-Earth Unmanned Helicopter Flight 

    Johnson, Eric N.; Mooney, John G.; Ong, Chester; Sahasrabudhe, Vineet; Hartman, Jonathan (Georgia Institute of Technology, 2011)
    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, and ...
  • 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, ...
  • Markov Modeling of Component Fault Growth Over A Derived Domain of Feasible Output Control Effort Modifications 

    Bole, Brian; Goebel, Kai; Vachtsevanos, George (Georgia Institute of Technology, 2012-08)
    This paper introduces a novel Markov process formulation of stochastic fault growth modeling, in order to facilitate the development and analysis of prognostics-based control adaptation. A metric representing the relative ...
  • Using Markov Models of Fault Growth Physics and Environmental Stresses to Optimize Control Actions 

    Bole, Brian; Goebel, Kai; Vachtsevanos, George (Georgia Institute of Technology, 2012-06-19)
    A generalized Markov chain representation of fault dynamics is presented for the case that available modeling of fault growth physics and future environmental stresses can be represented by two independent stochastic process ...
  • 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 ...
  • Quantitative Assessment of Human Control on Landing Trajectory Design 

    Chua, Zarrin K. (Georgia Institute of Technology, 2010-12-02)
    An increased thirst for scientific knowledge and a desire to advance humanity's presence in space prompts the need for improved technology to send crewed vehicles to places such as the Moon, Mars, and nearby passing ...
  • Modeling Cockpit Interface Usage During Lunar Landing Redesignation 

    Chua, Zarrin K.; Major, Laura M.; Feigh, Karen M. (Georgia Institute of Technology, 2009)
    Fulfilling NASA's space exploration objectives requires precision landing to reach lunar sites of interest. During the approach and landing stages, a landing point redesignation (LPR) display will provide information to ...
  • Analyzing Air Traffic Management Systems Using Agent-based Modeling and Simulation 

    Feigh, Karen M.; Pritchett, Amy R.; Shah, A. P.; Kalaver, S. A.; Jadhav, A.; Holl, D. M.; Bea, R. C.; Gilgur, A. Z. (Georgia Institute of Technology, 2005-06)
    This paper presents the viewpoint that an air traffic management system is emergent, i.e., exhibiting behaviors at the system-wide level that emerge from the combined actions of individuals within the system. Emergence ...
  • Design of a Cognitive Work Support System for Airline Operations 

    Feigh, Karen M.; Pritchett, Amy R. (Georgia Institute of Technology, 2007-06)
  • Decision Making During an Airline Rescheduling Task: A Contextual Control Model Description 

    Feigh, Karen M.; Pritchett, Amy R.; Jacko, Julie A.; Denq, Tina (Georgia Institute of Technology, 2005)
    This paper examines decision makers' selection of contextual control modes as described by Hollnagel's Contextual Control Model, and evaluates real-time, unobtrusive measures of a decision maker's immediate mode. In a ...
  • Design of Support Systems for Dynamic Decision Making in Airline Operations 

    Feigh, Karen M.; Pritchett, Amy R. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers (IEEE), 2006-04)
    To date, there has been very little research conducted on the design of support systems for dynamic decisions environments, such as airline operations. The paper discusses the idea that the regulation of dynamic systems ...
  • Design of Multi-mode Support Systems for Airline Operations 

    Feigh, Karen M.; Pritchett, Amy R. (Georgia Institute of Technology, 2006-09)
    This paper discusses designing support systems for cognitive work environments, focusing specifically on airline operations. Previous studies found that cognitive work, which includes activities such as judgment and decision ...

View more