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 121 for “"Structural constraints"”.
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Control With Structural Constraints: Theory and Implementation
The use of syntheses is demonstrated in the design of decentralized and distributed controllers for autonomous vehicle formations. Both computational and experimental design results are provided. In addition, the convergence of a localized control algorithm has been studied on random network. The …
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The Influence of Structural Constraints on Protein Evolution
… role and the increasingavailability of structural data. The primary goal of my PhD project was to create astructurally aware amino acid substitution model in which proteins are represented usingan expanded alphabet that relays both amino acid identity and structural information.Each …
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Optimization Methods for Machine Learning under Structural Constraints
… modern statistical and machine learning models, structural constraints are usually imposed for model interpretability as well as model complexity reduction. In this thesis, we present scalable optimization methods for several large-scale machine learning problems under structural constraints, …
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Hydrodynamic and structural constraints on ammonoid shell shape
This work examines the structural role of the ammonoid shell in supporting hydrostatic load and the role of shell shape in facilitating swimming. The history of studies of the role of the shell in supporting hydrostatic load is discussed first, and is followed by an analysis of the function of the …
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Structural constraints on crustal shortening in the Bolivian Andes
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1988.
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Structural constraints for the folding, stability and function of cytochrome C
… derived from the genes of both isozymes were structurally characterized by X-ray analyses. The overall fold of the composite is similar to the two native isozymes, however, specific intra-molecular atomic interactions are altered bythe presence of amino acid substitutions. These alterations …
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Structural constraints on the exhumation of the Tso Morari Dome, NW Himalaya
… of northwest India is a large (>3,000 km²) structural dome cored by coesite-bearing rocks of Indian continental crustal affinity. As one of only two localities in the Himalaya where ultrahigh-pressure rocks have been found, the culmination offers important insights into the orogenic …
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Kinematic synthesis of planar four bar and geared five bar mechanisms with structural constraints
… and geared five-bar motion generation with three structural design constraints. These constraints consider driving link static torque, deflection of the crank and buckling of the follower for a given rigid-body load or constant external load. This kineto-elastostatic analysis is based on the …
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Local Realities and Structural Constraints of Agricultural Health: Pesticide Poisoning of Jamaican Small-holders
… of safe pesticide use. Secondly, I examined the structural constraints to regulating pesticide usage and promoting safe practices, based on interviews with local health care providers and key officials in agriculture, health, and agro-business. The research proved that acute pesticide poisoning …
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Structural constraints and situational information seeking: a test of two predictors in a sense-making context
… versus non-mechanistic and individual versus structural conceptualizations of human information seeking behavior in communication research. In examining traditional, structuralist, and interpretivist approaches, these two issues seem to have similar bases. Rather than abandon a focus on …
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Automatic Random Logic Layout Synthesis - a Module Generator Approach (Vlsi, Silicon Compilation, Design Automation, Cell Synthesis, Grid)
… and wire assignment scheme propagates the structural constraints of the module to the lowest level cells. Cells are then custom-synthesized under those structural constraints by the cell synthesizer. The cell synthesizer uses one-dimensional cell structures and new efficient linear-time …
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Conflict and Stability in the Neoliberal Era: Explaining Urban Unrest in Latin America
… existing theories. I show that, during times of structural constraints on state capacity, the ability of state actors to identify and avoid aggrieving sectors of the urban population with high underlying potential for mobilization plays a key role in connecting macro level causes to micro level …
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Segmentation of Manually Coded English: Problems in the mapping of English in the visual/gestural mode
… it investigates whether there are further structural constraints specific to signed languages which create restrictions in their typology and learnability.
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Rural Surgeons' Conformity to the Specialty Code
… density of specialists and associated lack of structural constraints on competitors, suppliers, financers, and consumers of surgical services leads surgeons in nonmetropolitan practice, more than their metropolitan counterparts, to deviate from the specialty code.
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Big Brains and Small Teeth: a primate comparative approach to dental and mandibular reduction in hominins
… in the genus Homo. The effect of diet and structural constraints (allometry and encephalization) on dental and mandibular size and robusticity were analysed. The results show that incisor size and mandibular robusticity correlate significantly with diet proxies in non-human extant …
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Extracting Ramachandran torsional angle distributions from 2D NMR data using Tikhonov regularization /
… is a powerful technique for studying structural and dynamical properties of disordered and partially ordered materials, such as glasses, polymers, liquid crystals, and biological materials. In particular, twodimensional( 2D) NMR methods such as ^^C-^^C correlation spectroscopy under …
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Nonparametric High-dimensional Models: Sparsity, Efficiency, Interpretability
… thesis is on considering various sparsity and structural constraints within these methods and develop optimization based approaches to enhance training efficiency, inference, and/or interpretability. In the first part, we consider additive models with interactions under component selection …
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Effect of Thermally Induced Deformation in a Supersonic Combustion Facility
… Combustion Facility (SCF). A detailed thermal-structural model is developed to resolve the temperature distribution and the resulting structural deformation taking place within the scramjet engine flowpath. The predicted thermal deformation is used to refine the CFD model and produce a new set …
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Uncertain futures : young women in transition to adulthood in a post-industrial British city
… shed light on the role of individual agency and structural inequalities in shaping the research participants’ (RPs’) life chances. It examines how RPs interpreted their available 'choices', the structural constraints - related to gender, social class and ethnicity - they encountered, and the …
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The struggle for vibrancy : a study of local government intervention in Detroit's inner suburbs
… decline, economic disinvestment, and fiscal constraints can use to retain local vibrancy. Focusing on three inner suburban communities, I describe how metro Detroit local governments are attempting to: redefine their community's identity; provide "good government" for residents; facilitate …
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