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 135 for “"flow-based"”.
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Laminar Flow-Based Electrochemical Microreactors
… underlying fundamentals of multistream laminar flow are introduced: diffusional broadening, the position and shape of the interface between adjacent streams, and methods to induce advection. In addition, gravity-induced reorientation of the interface between two liquids of different densities is …
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Optical flow based local navigation
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2001.
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Complex Flow-Based Non-Linear ATC Screening
… that incorporates the effect of reactive power flows in linear ATC. The estimation of bus voltage constraints is based on a system state approximation using an explicit polynomial expression on the transfer size. Generator reactive power limits are predicted using flow-based methods, and the …
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Practical analyses and transformations for flow-based parallelism
… and automatic financial trading exhibit flow-based forms of parallelism. How can we help developers parallelize their sequential applications to leverage flow-based parallelism? To take advantage of any form of parallelism, developers face two key challenges: analysis and transformation …
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Manufacturing all-polymer laminar flow-based fuel cells
… technologies for two applications: (i) laminar flow-based fuel cells (LFFCs) and (ii) electrohydrodynamic-jet (e-jet) printing. Most LFFCs presented to date have been proof-of-concept unit cells that are not commercially viable for portable electronic applications. Transitioning from …
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Accelerating Flow-Based Sampling for Large-𝑁 Gauge Theories
… this thesis, we explore asymptotically efficient flow-based sampling algorithms for the twisted Eguchi-Kawai (TEK) model, a method for analyzing large-𝑁 QCD numerically. We introduce an original architecture based on SU(2) matrix multiplication that allows for efficient Jacobian computation. In …
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Optimization, Testing and Design-for-Testability of Flow-Based Microfluidic Biochips
<p>Flow-based microfluidic biochips constitute an emerging technology for the automation of biochemical procedures. Recent advances in fabrication techniques have enabled the development of these devices. Increasing integration levels provide biochips with tremendous potential; a large number of …
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Theoretical Foundations of Flow-based Methods for Sampling and Generative Modeling
… thesis, we provide a theoretical foundation for flow-based methods for sampling and generative modeling, and a unified view of both continuous and discrete-time approaches. In the first part of the thesis, we address the approximation theory of flow based methods. In particular, we show how the …
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Investigation and application of heterochiral proteins enabled by flow-based peptide synthesis
… Recently, the Pentelute laboratory described a flow-based system that reduces the time required to synthesize a polypeptide by over an order of magnitude. We have systematically studied variables that influence peptide quality with this system. From these efforts, we established protocols used …
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Generalized flow-based variational autoencoder networks for anomaly detection in multivariate time series
… are explored through the use of normalizing flows. By applying normalizing flow transforms to the latent variables of a variational autoencoder, the true latent distribution can be more richly modeled and learned, thus enabling better metrics for anomaly detection. This thesis explores five …
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A comparison of discrete and flow-based models for air traffic flow management
… comparison of two such approaches to air traffic flow management: (i) a discrete Mixed Integer Program model, and (ii) a continuous flow-based model. The continuous model is applied in a multi-commodity setting to take into account the origins and destinations of the aircraft. Sequential quadratic …
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A novel flow-based statistical pattern recognition architecture to detect and classify pivot attacks
… thesis introduces and evaluates APIVADS, a novel flow-based detection scheme to identify compromised assets supporting pivot attacks. Moreover, APIVADS outperforms previous approaches regarding features and capacities. To the best of our knowledge, this is the first protocol and cryptographic …
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Flow pattern mapping of horizontal evaporating refrigerant flow based on capacitive void fraction measurements
… these devices, the prediction of two-phase flow heat transfer of evaporating refrigerants has to be improved. This heat transfer is strongly related to the two-phase flow patterns. Improving the current two-phase flow models should therfore focus on incorporating more flow phenomena into the …
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Laminar Flow-Based Microchemical Systems for Power Generation, Electrochemical Synthesis, and Biological Cell Studies
Similarly in this thesis, multistream laminar flow is used in microfluidic systems for (1) biocatalytic synthesis of fine chemicals by microscale-enabled efficient regeneration of cofactors, as well as for (2) the study of intestinal stem cells on a surface that mimics their in vivo environment. In …
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Optimization of downstream supply chain product flow based on an integrated cost-to-deliver perspective
… there is new opportunity to re-optimize product flow downstream of manufacturing based on unique product attributes and network capabilities instead of solely legacy divisional flow. The current organizational structure, methods, and systems prompts product flow to be optimized within functional …
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A flow-based approach to the dynamic traffic assignment problem : formulations, algorithms, and computer implementatins
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1997.
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Tight Flow-Based Formulations for the Asymmetric Traveling Salesman Problem and Their Applications to some Scheduling Problems
… is devoted to the development of new flow-based formulations for the asymmetric traveling salesman problem (ATSP) and to the demonstration of their applicability in effectively solving some scheduling problems. The ATSP is commonly encountered in the areas of manufacturing planning and …
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An Optical Flow Based Methodology for Visualizing Dynamic Sucellular [sic] Organiztion [sic] Demonstrated Through Profilin and Rho GTPase Microdomains
… location. Building on existing optical flow based non-linear image registration we developed an approach to remap a migrating cell to a common cell footprint while preserving the characteristics of our signal of interest at a spatial granularity necessary for understanding micron scale …
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Testing the impact of flow-based, moderate-intensity yoga on executive functioning and stress among low active working adults with symptoms of stress
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-04-06 without embargo terms
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