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 115 for “"aerospace applications"”.
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Precision navigation for aerospace applications
Navigation is important in a variety of aerospace applications, and commonly uses a blend of GPS and inertial sensors. In this thesis, a navigation system is designed, developed, and tested. Several alternatives are discussed, but the ultimate design is a loosely-coupled Extended Kalman Filter …
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Parametrization of Triple Screw Pumps for Aerospace Applications
<p>Triple Screw Pumps, a form of positive displacement pump, offer steady, high-pressure flow. In very small launch vehicles or upper stages turbopumps are not practical. This paper examines the performance of triple screw pumps to determine if they may serve as an alternative to turbopumps for use …
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Fault Tolerant Deep Reinforcement Learning for Aerospace Applications
… control system alternative for fault tolerant applications.</p>
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Developing Advanced Shape Sensing Methodologies for Aerospace Applications
L'abstract è presente nell'allegato / the abstract is in the attachment
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Development of thermally stable aerogels for aerospace applications
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-09-01 without embargo terms
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Durability of Advanced Woven Composites in Aerospace Applications
The objective of this project was to evaluate and model the effects of moisture, temperature, and combined hygrothermal aging on the durability of a graphite/epoxy woven composite material system. Imposed environmental and aging conditions were considered to be representative of service conditions …
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Machine Learning-Aided Aerospace Applications with Generative Adversarial Networks
… data, becoming a highly researched field in aerospace and defense technologies. Generative Adversarial Networks (GANs), a subset of generative models, have shown remarkable proficiency at this task, surpassing other state-of-the-art approaches. They have become an extraordinary tool for …
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Finite Element Modeling Driven by Health Care and Aerospace Applications
… in finite element modeling in health care and aerospace. The finite element method can reduce a continuous system to a discrete idealization that can be solved in the same manner as a discrete system, provided the continuum is discretized into a finite number of simple geometric shapes (e.g., …
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Parallel Two-Dimensional Unstructured Anisotropic Delaunay Mesh Generation for Aerospace Applications
… triangulation, and Delaunay refinement. Applications focusing on high-lift design or dynamic stall, or numerical methods and modeling test cases focus on two-dimensional domains. This push-button parallel mesh generation approach can generate high-fidelity unstructured meshes with …
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Design of a small fast steering mirror for airborne and aerospace applications
… fast steering mirror (sAFSM) for airborne and aerospace platforms. The sAFSM provides feedback-controlled articulation of two rotational axes for precision optical pointing. The design, useful for both disturbance rejection and high-speed scanning applications, incorporates a flux steering …
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Thermoelastic control of adaptive composites for aerospace applications using embedded nitinol actuators
Aerospace structures have stringent pointing and shape control requirements during long-term exposure to a hostile environment with no scheduled maintenance. This makes them excellent candidates for a smart structures approach as current passive techniques prove insufficient. This study …
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Fabrication methods and costs for thermoset and thermoplastic composite processing for aerospace applications
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1988.
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Development and Use of a Spatially Accurate Polynomial Chaos Method for Aerospace Applications
… the design, analysis, and optimization of aerospace products. When scientific computing is used to support these tasks, sources of uncertainty may include the freestream flight conditions of a vehicle, physical modeling parameters, geometric fidelity, numerical error, and model-form …
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The Corrosion Susceptibility of AA7050 Repaired for Aerospace Applications Via Additive Friction Stir Deposition
… for the repair of 7XXX-series aluminum alloy aerospace parts byexamining the corrosion response of materials processed with this technique. To date, the majorityof studies involving AFSD have pertained to mechanical and/or microstructural properties ofmaterial produced via AFSD. This leaves a …
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On the appropriate level of automation for advanced structural composites manufacturing for commercial aerospace applications
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1990 and, Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1990.
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Finite time suboptimal control design of nonlinear systems with θ-D technique and implementation to aerospace applications
… benchmark problem, and the other three aerospace applications, including Reusable Launch Vehicle (RLV) landing problem, multiple satellites docking problem, and satellite maneuvering considering J<sub>2</sub> perturbation problem. In this research, contrary to the finite-time state …
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