AE Research Publications
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An overview of Cube-Satellite propulsion technologies and trends
(MDPI Multidisciplinary Digital Publishing Institute, 2017-12-09)CubeSats provide a cost effective means to perform scientific and technological studies in space. Due to their affordability, CubeSat technologies have been diversely studied and developed by educational institutions, ... -
Fast and robust computation of low-thrust orbit-raising trajectories
(American Institute of Aeronautics and Astronautics, Inc. Read More: https://arc.aiaa.org/doi/10.2514/1.G003319, 2018-09)This paper presents a new dynamic model of a thrusting spacecraft, and the model is used for computing low-thrust orbit-raising trajectories to the geosynchronous equatorial orbit. Low-thrust orbit raising is a challenging ... -
A novel methodology for fast and robust computation of low-thrust orbit-raising trajectories
(Univelt, Inc., 2017)All-electric spacecraft makes numerous revolutions during the orbit-raising to the geosynchronous equatorial orbit. This paper presents a new mathematical formulation to describe the dynamics of the spacecraft under the ... -
De-orbit time of on-orbit debris for laser-based removal methods
(Univelt, Inc., 2017)The amount of space debris in the near-Earth space environment poses a major challenge for current and future space missions. Controlling the growth of on-orbit debris utilizing on-orbit debris removal missions is of great ... -
Demand-side energy management by use of a Design-then-Approximate controller for aggregated thermostatic loads
(IEEE, 2018-07)This brief presents a method to design a controller for a system of aggregated thermostatically controlled loads (TCLs) that are represented by two coupled partial differential equations-the Fokker-Planck equations. The ... -
Biologically motivated quantum neural networks
(IEEE, 2017)This paper presents one step toward creating the building blocks for machine intelligence that is inspired by its biological equivalent. The authors' quantum learning methods (deep quantum learning) are applied to quantum ... -
PDE-based analysis of automotive cyber-attacks on highways
(IEEE, 2017-05)This paper considers scenarios wherein a group of malicious vehicles on a highway perform a cooperative attack with the motive of creating undesirable wave effects among other vehicles on the highway. The two species of ... -
A decentralized adaptive control architecture for large-scale active-passive modular systems
(IEEE, 2017-05)Decentralized control of large-scale active-passive modular systems is considered. These systems consist of physically interconnected and generally heterogeneous modules, where local control signals can be only applied to ... -
Avoidance maps: a new concept in UAV collision avoidance
(IEEE, 2017)A new concept of avoidance map is introduced which can effectively execute collision avoidance among UAVs. It is based upon representation of the effect of control effort by pairs of UAVs on achievement of avoidance, thus ... -
Real-time Google Glass Heads-Up Display for rapid air-traffic detection
(American Institute of Aeronautics and Astronautics, Inc., 2018-01)As airspace becomes increasingly crowded, the need for next-generation traffic-advisory systems for pilots has become more crucial. To this end, a heads-up advisory display is developed within the Google Glass platform to ... -
A numerical investigation of the onset of flow separation in round-edge diverging tees
(ASME, 2018-03)The onset condition of flow separation in diverging tee junctions was investigated numerically. Flow separation and recirculation at the proximal region of a bypass graft can contribute to early phase graft failure in ... -
Optimal aircraft trajectories for wind energy extraction
(American Institute of Aeronautics and Astronautics, Inc., 2018-02)It is well known that birds and air vehicles are capable of extracting energy from atmospheric winds. Land birds such as condors and vultures remain aloft for hours at a time without flapping their wings. In straight and ... -
Examination of Derived Gust Velocities from a Fleet of Aerial Supervision Module/Lead Aircraft
(American Institute of Aeronautics and Astronautics, Inc. Read More: https://arc.aiaa.org/doi/10.2514/1.C033991, 2017-09)Flight data collected from a fleet of Beechcraft King Air airframes have been analyzed. The data consisted of information from 3094 flights in various missions flown for the U.S. Forest Service. The missions consisted of ... -
Incorporation of physics-based machining models in real-time decision making via metamodels
(Elsevier Ltd., 2017)Physics-based machining models typically require significant computational resources and time which makes them impractical for quick process optimization calculations in an industrial shop-floor setting. In this paper, we ... -
Kalman-Filter-Based Adaptive Control: flight testing on general aviation aircraft
(American Institute of Aeronautics and Astronautics, Inc., 2017-09)Sensor noise and turbulence effects have been prevalent issues in control system design. Although a control system may respond well to “clean” input signals and commands in simulation, this may not be the case when a ... -
Local bending containment in sandwich panels with sub-surface core damage
(Sage, 2008-05-02)A simple repair technique to contain the local facesheet bending in sandwich panels with sub-surface core damage has been explored using experiments. The strategic filling of honeycomb cells in the damage region using ... -
Learning quantum annealing
(Rinton Press, Inc., 2017-05-01)We propose and develop a new procedure, whereby a quantum system can learn to anneal to a desired ground state. We demonstrate successful learning to produce an entangled state for a two-qubit system, then demonstrate ... -
The effect of node bond adhesive fillet on uniaxial in-plane responses of hexagonal honeycomb core
(Elsevier Ltd. All rights reserved., 2017-09-01)In the present work, experimental and numerical studies were conducted on the in-plane uniaxial behavior of a fiberglass/phenolic honeycomb core to investigate the effects of the node bond adhesive fillet. A non-linear ... -
Errors and uncertainties in derived gust velocities extracted from flight data
(American Institute of Aeronautics and Astronautics, Inc., 2017-03)Atmospheric turbulence has always posed a challenge to the designers and flyers of aircraft. Wilson [1] suggested the presence of six components in atmospheric turbulence. This was a pioneering effort at addressing the ... -
Neural network based adaptive controller for attitude control of all-electric satellites
(Univelt Inc., 2015)This paper considers the attitude control problem for an all-electric spacecraft during its transfer to the Geostationary Earth orbit. During the transfer, the spacecraft's solar arrays need to point towards the Sun, except ...
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