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 96 for “"mathematical optimization"”.
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Enhancing robustness and sparsity via mathematical optimization
Esta tesis se centra en derivar métodos robustos o dispersos bajo la perspectiva de la optimización para problemas que tradicionalmente se engloban en los campos de la Estadística o de la Investigación Operativa. Concretamente, el objetivo de esta tesis doctoral es fusionar técnicas de optimización …
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Supervised classification and network location problems via mathematical optimization
… Theory using tools and techniques coming from Mathematical Optimization. A brief description of these problems and the methodologies proposed for their analysis and resolution is given below. In the first chapter, the principles of Supervised Classification and Location Theory are discussed in …
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Mathematical optimization methods for aircraft conflict resolution in air traffic control
… flight safety in the short-term by solving optimization problems. During cruise stage, separation conditions require a minimum of 5 Nautical Miles (NM) horizontally or 1000 feet (ft) vertically between any pair of aircraft. A conflict between two or more aircraft is a loss of separation …
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Mathematical Optimization Algorithms for Model Compression and Adversarial Learning in Deep Neural Networks
… weight pruning framework for DNNs based on mathematical optimization. We first formulate the weight pruning for DNNs as a non-convex optimization problem, and then systematically solve it using alternating direction method of multipliers (ADMM). Our work achieves a higher weight pruning …
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New models and methods for classification and feature selection. a mathematical optimization perspective
… Classification and Benchmarking, making use of Mathematical Optimization and Statistical tools. Particularly, we address the fusion of instruments from both disciplines, with the aim of extracting knowledge from data. In such a way, we obtain innovative methodologies that overcome to those …
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An interactive mathematical optimization approach to locomotive dispatching on the Grand Trunk Western Railroad
Thesis: M.S., Massachusetts Institute of Technology, Department of Civil Engineering, 1986
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Geometric Probing
… aspect of that structure from the results of a mathematical or physical measuring device. A variety of problems from robotics, medical instrumentation, mathematical optimization, integral and computational geometry, graph theory, and other areas fit into this paradigm.
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Cross-layer design for network performance optimization in wireless networks
<p>"In this dissertation, I use mathematical optimization approach to solve the complex network problems. Paper l and paper 2 first show that ignoring the bandwidth constraint can lead to infeasible routing solutions. A sufficient condition on link bandwidth is proposed that makes a routing …
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Metodi di ottimizzazione dei processi produttivi applicati al settore dei lapidei carbonatici
Aim of this study was try to apply optimization methods to the carbonate dimensional stones industry. Technical and scientific literature was studied about quarrying and processing of carbonate rocks and in particular about marble. It was also investigated recent study carried out about …
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Utilização de técnicas de otimização em redes de abastecimento de água
The objective of this study was to analize the optimization tecniques for the main line and the distribution network of an urban water supply system. In the distribution subsystem, it was considered a branched network and a closed-loop network. According to the selected model, it was used …
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A numerical study of Witsenhausen's Counterexample
… We then solve the integral equation as a mathematical optimization and use our FE model to numerically compute a nonlinear controller that satisfies the necessary condition approximately at a set of quadrature points..
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Global and Robust Optimization for Engineering Design
… improve conceptual design methods through better optimization, in order to address the challenge of designing future engineered systems. Aerospace design problems are tightly-coupled optimization problems, and require all-at-once solution methods for design consensus and global optimality. …
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Search methods for an autonomous underwater vehicle using scalar measurements
… searching techniques which have their basis in mathematical optimization algorithms and their applicability for use specifically within the context of autonomous underwater vehicle dynamics. In particular, a modified version of the circular gradient evaluation in the simulated environment of a …
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Enhancing persistence when optimally scheduling depot-level repair activity for the United States Marine Corps
… approximate, but very fast heuristic in lieu of mathematical optimization to solve this problem. A simple greedy myopic heuristic quickly produces nearly-optimal advice to the depot-level planning problem.
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YIELD IMPROVEMENT FOR AN ACTUAL 65NM PRODUCT
… employed in conjunction with simulation and mathematical optimization tools to identify opportunities in order to better integrate a system (new or existing) and reduce capital or operating costs, as well as fulfilling customers' requests.
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Transdermal and transbuccal delivery of lidocaine and nicotine : combined effects of iontophoresis and chemical enhancers
… amount of drug released. Graphical methods and mathematical optimization techniques were implemented to analyze the data. The effects of chemical enhancers on the delivery rate depend largely on the drug used while iontophoresis mainly increases the steady-state flux. Parametric analyses show …
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Process Integration: Unifying Concepts, Industrial Applications and Software Implementation
… operations and effluent-treatment systems, is mathematical optimization. We solve nonlinear programming problems for simple water-using operations through readily available commercial software. However, more complex, nonconvex problems require sophisticated reformulation techniques to guarantee …
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Automated design of composite plates for improved damage tolerance
… in the design cycle. A general purpose mathematical optimization algorithm was used for the weight minimization. Analytical sensitivity derivatives of the SIF, obtained by employing the adjoint variable technique, were used to enhance the computational efficiency of the procedure. Design …
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Pacing strategy optimization for time trial cyclists with physiological constraints
This thesis investigates the optimization of pacing strategies for time-trial cyclists by integrating physiological constraints with course-specific environmental factors. Two complementary methods are developed: one directly optimizes velocity profiles using total energy expenditure as a proxy for …
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An Augmented Reality-Based Hybrid Approach to Facility Layout Planning
… (FLP) is proposed (ARHFLP). By integrating mathematical modelling techniques with AR, the ARHFLP approach is designed to address FLP for existing shopfloors (FLPES). An AR-based fast modelling technique and a generic method for formulating mathematical models for FLP are developed (GMCC). In …
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