Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 55 for “"navigation and control"”.
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Navigation and Control of an Autonomous Vehicle
The navigation and control of an autonomous vehicle is a highly complex task. Making a vehicle intelligent and able to operate "unmanned" requires extensive theoretical as well as practical knowledge. An autonomous vehicle must be able to make decisions and respond to situations completely on its …
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Guidance, Navigation, and Control Techniques for Service Robotics
L'abstract è presente nell'allegato / the abstract is in the attachment
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Guidance, navigation and control of a robotic fish
Thesis (S.B. and M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1998.
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Sensor Fusion, Navigation, and Control of Autonomous Vehicles
… by interests as diverse as space exploration and land mine removal, research has focused on the mechanical requirements, sensing and computational requirements, and intelligence required for autonomous decision making. This thesis focuses on developing the software required for autonomous …
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Propulsion, navigation and control of biological and artificial microswimmers
… including both biological microorganisms and artificial colloids. Due to the physical constraints imposed by the inertialess hydrodynamics at these small scales, these swimmers rely on multiple locomotion strategies that are unfamiliar from the macroscale. The results presented here answer …
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Vision based navigation and control for unmanned free-flying remote vehicles
… Institute of Technology, Dept. of Aeronautics and Astronautics, 1992.
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Guidance, navigation and control of a small, unmanned blended wing body aircraft
… of this research is to document the design and optimisation of a full suite of guidance, navigation and control (GNC) algorithms for a small unmanned aerial vehicle (UAV), the Skywalker X8. This was performed so as to fill a void in the available literature on the selected airframe, which …
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Improved Guidance, Navigation, and Control for Autonomous Underwater Vehicles: Theory and Experiment
This dissertation addresses attitude control and inertial navigation of autonomous underwater vehicles (AUVs). We present theoretical justification for using simplified models, derive system identification algorithms, and verify our results through extensive field trials. Although this research …
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The autonomous guidance, navigation, and control laboratory at the University of Texas at Austin
This report details the design, construction, and contents of the Autonomous Guidance, Navigation, and Control Laboratory (AGNC Lab) for Dr. Behcet Acikmese at the University of Texas. It is intended as a resource for those who are new to the lab or to one of its systems. The lab was created to …
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Hardware integration of parachute guidance, navigation, and control for the Affordable Guided Airdrop System (AGAS)
… structure that integrates low-cost guidance and control into fielded cargo air delivery systems. This thesis sought to integrate the previous studies and algorithms into developmental prototypes for test and evaluation (DTandE). Several objectives and tasks were completed in the course of …
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Full season navigation and control of ultra-compact autonomous ag-bot in GPS denied environment
This thesis describes perception and an autonomous navigation system for an ultra-lightweight ground robot in agricultural fields. The system is designed for reliable navigation under cluttered canopies using only a 2-D Hokuyo UST-10LX LiDAR and an RTK GPS as the primary sensors for navigation. Its …
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Optimization and Characterization of Chance-Constrained Guidance, Navigation, and Control for Low-Energy Lunar Transfers
… capture Δv, more flexible launch windows, and an increased set of accessible arrival conditions to any spacecraft willing to deal with the extra transfer time they require. The reduced propellant utilization and increased flexibility make these transfers especially tempting for lunar …
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Guidance, Navigation and Control of a Fly-By-Wire Transport Category Airship Designed for Hover Cargo Delivery
… of this thesis is to develop fly-by-wire pilot controls for a transport category airship propelled with six thrust vectoring engines, and to develop control laws to maintain position, heading, and attitude during hover and cargo operations. Owing to the large body area, most airships require …
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Design, analysis, and testing of a precision guidance, navigation, and control system for a dual-spinning Cubesat
… Satellite (MicroMAS) combines two traditional control approaches: a dual spinner and a three-axis gyrostat. Unlike typical dual spinners, the purpose of MicroMAS 's 2U bus and spinner assembly is to actuate a iu payload, not to add gyroscopic stiffness. An orthogonal triple reaction wheel …
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Development of a guidance, navigation and control architecture and validation process enabling autonomous docking to a tumbling satellite
… future space exploration, as well as assembly and servicing missions for spacecraft and commercial satellites. Particularly, in more challenging situations where the target spacecraft or satellite is tumbling, algorithms and strategies must be implemented to ensure the safety of both docking …
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On the dynamics, navigation and control of a spacecraft formation of solar concentrators in the proximity of an asteroid
… From a research view point, the methods and analysis are applicable to proximal motion around a celestial body, in particular one with a non-Keplerian or irregular orbit as in the case here with the orbit being constantly altered by the deflection action and subject to perturbations, such …
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Sensor Fusion for Field Robot Localization
… software framework for implementing sensing, navigation, and control for autonomous mobile robots. Underlying software patterns used in this framework are identified. This framework is comprised of a generic, reusable, and flexible class hierarchy which has been demonstrated to promote …
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Efficient ranging-sensor navigation methods for indoor aircraft
… are often used for reconnaissance, search and rescue, damage assessment, exploration, and other tasks that are dangerous or prohibitively difficult for humans to perform. Often, these tasks include traversing indoor environments where radio links are unreliable, hindering the use of remote …
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Optimizing aerobot exploration of Venus
… of Earth's sister planet in 2003. VFR's simple navigation and control system permits travel to virtually any location on Venus, but it can survive for only a limited duration in the harsh Venusian environment. To help address this limitation, we develop: (1) a global circulation model that …
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Development of a Research Spacecraft Test-Bed with Implementation of Control Laws to Compensate Undesired Dynamics
… has a significant impact on the preparation and simulation of future space missions. Hardware, software and operation procedures can be adequately tested, validated and verified before they are deployed for the actual mission. In this thesis, a spacecraft vehicle test-bed named Extreme Access …
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