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 165 for “"non-monotonic"”.
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Observer Design for Non-Monotonic Nonlinear Systems and Interesting Contemporary Applications
This dissertation analyzes observer design for non-monotonic nonlinear systems and develops globally stable observer design techniques for such systems. Non-monotonic nonlinear systems are frequently encountered in many practical applications, including vehicle tracking, magnetic position …
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Non-monotonic Lyapunov functions for stability of nonlinear and switched systems : theory and computation
… of a scalar function of the state that decreases monotonically along trajectories, still serves as the primary tool for establishing stability of nonlinear systems. Since the main challenge in stability analysis based on Lyapunov theory is always to nd a suitable Lyapunov function, weakening the …
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Nonlinear and switched systems: Geometric motion planning, non-monotonic Lyapunov functions and input-to-state stability
… for motion planning and analysis of stability of nonlinear and switched systems have been researched in this work. In terms of control strategy, we propose a novel approach to the long-standing problem of motion planning for non-holonomic systems. The admissible motion is obtained by properly …
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Generalized metrics and topology in logic programming semantics
… The use of negation in logic programming and non-monotonic reasoning, however, renders some semantic operators to be non-monotonic, hence discontinuous with respect to the Scott topology, and therefore invalidates the standard approach, so that alternative methods have to be sought. In this …
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Anomalous Wave Dispersion in the Cyclohexanedione-Bromate Chemical Oscillator
… reproduced numerically as resulting from non-monotonic [Br<super>-</super>] decay to the steady state in the wake of an excitation pulse. The non-monotonic decay is seen as a "dip" in [Br<super>-</super>] following the passage of a chemical wave. This dip in [Br<super>-</super>] decay …
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Anomalous Wave Dispersion in the Cyclohexanedione-Bromate Chemical Oscillator
… reproduced numerically as resulting from non-monotonic [Br<super>-</super>] decay to the steady state in the wake of an excitation pulse. The non-monotonic decay is seen as a "dip" in [Br<super>-</super>] following the passage of a chemical wave. This dip in [Br<super>-</super>] decay …
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Statistical thermodynamics of virus assembly
Experiments show that MgSO4 salt has a non-monotonic effect as a function of MgSO4 concentration on the ejection of DNA from bacteriophage lambda. There is a concentration, N0, at which the minimum amount of DNA is ejected. At lower or higher concentrations, more DNA is ejected. We propose that …
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The development of an expert system shell with a mixed knowledge representation, explicit control of reasoning and a truth maintenance system
… - control of reasoning - implementation of non-monotonic logics via truth maintenance systems. There are three parts to this thesis. PART1 covers the background research in the above mentioned topics. PART2 discusses the WISE system and the way in which research from PART1 was applied to the …
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Argumentation and artifacts for intelligent multi-agent systems
… Argumentation theory and logic make explicit non-monotonic information in order to enable automatic forms of reasoning under uncertainty. In human organization Distributed Cognition and Activity Theory explain how artifacts are fundamental in all cognitive process. Then, in this thesis we …
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Ambient Air Pollution and the Allocation of Environmental Enforcement Effort
… that transboundary pollution and penalties for noncompliance generate incentives for strategic behavior by state enforcement agencies: laxness in enforcement of polluting plants with higher potential to generate spillovers in the former and precautionary behavior which leads to non-monotonic …
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A molecular dynamics investigation of a free surface of liquid argon
… profile through the surface is found to be of a non-monotonic form. The pair distribution function in the surface is also determined and compared to radial distribution functions of the interior liquid. The surface tension and surface energy are also obtained and are found to be in agreement with …
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Investigation of elastic effects of sliding charge-density waves
… with most theories regarding the phenomenon. The fractional portion of the softening realized at any given field is found to be controlled by the current transported by the CDW. Analysis is presented showing the softening for dc sliding to be consistent with relaxation involving a broad …
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The Effect of Industry Agglomeration On the Survival of New Establishments In South Carolina
… zip code levels. We also find evidence of a non-monotonic relation between agglomeration (industry cluster) strength and establishment survival, suggesting a positive impact on survival until congestion becomes an overwhelming factor.</p>
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Three Essays on Social Networks
… (e.g. star, empty). Average income may be non-monotonic in tax enforcement.
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Transient analyses of viscoelastic materials with applications to numerical models
… for some problems. The third part considers non-monotonic relaxation functions. While it is generally assumed that viscoelastic relaxation functions must decay for all time, in some natural and synthetic materials they do not. Such behavior is sometimes the result of experimental measurement …
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INFERRING TUMOR PROPERTIES FROM GENE EXPRESSION DATA
… feature-survival interaction, like for instance non-monotonic relationships, which have been shown to exist for mutation load and chromosomal instability (CIN). We wonder whether a similarly non-monotonic relationship occurs also at gene expression level and demonstrate that for some genes a poor …
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Chemical Mixtures of Xenoestrogens and Their Metabolites Alter Estradiol-Induced Non-Genomic Signaling
… a plastics monomer, is potently estrogenic via non-genomic signaling; however, bisphenol-S (BPS), a BPA substitute, has unknown endocrine actions. Nonylphenol is a surfactant and a ubiquitous contaminant. Our goals were to use a well-characterized estrogen-responsive cell model, the GH3/B6/F10 …
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Kinetic Simulations of Spacecraft Charging and Plasma Interactions in the Solar Wind
… the solar wind. Previous analytical studies of monotonic and non-monotonic sheath profiles in stationary electrons have suggested that there can exist two solutions of the sheath profiles when photoelectron emissions are significant. We extend the previous analytical approach to include the …
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Microfluidic flow of colloidal particles in nematic liquid crystals
… through tunable driving pressure, and non monotonic dependence of the differential velocity of particle and fluid in highly confined ducts on Ericksen number.
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Phase Behavior, Fluid Structure, and Slow Dynamics in Polymer -Colloid Mixtures: Novel Liquid State Theory and Its Applications
… in the fluid phase. The theory captures the non-monotonic changes in the local cage order parameter S(k* ≈ 7 D) with increasing polymer concentrations. Accurate, no adjustable parameter predictions of the fluid structure are combined with a single particle version of idealized mode …
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