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.
Results
Showing 1 to 19 of 19 for “"topology design"”.
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Principal stress line computation for discrete topology design
… continuity, and naturally encode the optimal topology for any structure for a given set of boundary conditions. Stress-line analysis has the potential to offer a direct and geometrically-provocative approach to optimization that can synthesize both design and structural objectives. However, …
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Optimization of Shape, Size, and Topology Design Variables in Trusses with a Genetic Algorithm
… using a genetic algorithm more accessible to design engineers. The Gillman algorithm was demonstrated in two original examples as well as an example from a published work. The Gillman algorithm was effective in finding lighter designs.
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On the use of machine learning with design optimization data for system topology design
… for homogeneous and heterogeneous system topology design. The core contribution is to begin bridging the gap between data science and design science. The key principle is to extract meaningful knowledge and insights from design data, and to build machine learning models that enable …
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Optimal modulation and topology design of modular multilevel converter for grid integration of solar photovoltaic systems
… is twofold. First, modulation techniques are designed to reduce switching frequency through novel advanced submodule sorting algorithms, which provide a level of controllability over two conflicting constraints – switching frequency reduction and capacitor voltage deviation – for HVDC …
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An experimental evaluation of data center topologies
… theoretical results related to the network topology design is running experiments on the topology built physically, such as by a network testbed. In this thesis, we introduce a testbed implementation and show the throughput results for the fat-tree and Jellyfish topologies using this …
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Trabecular topology : computational structural design inspired by bone remodeling
… under daily loadings. It also gives a special topology to the trabecular bone. This thesis proposes a new computational structural design approach inspired by the trabecular bone topology and remodeling process and it can be applied to the 2D, 3D and building-scale structures. It reveals the …
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A combinatorial switch block design technique for reconfigurable interconnection networks
… This dissertation presents a combinatorial design technique to tackle the connection topology design problem for a wide assortment of switch blocks including hyper-universal switch blocks and universal switch blocks. We prove that large switch blocks can be constructed by a finite number of …
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Efficient data collection strategies for rapid learning in physical environments
… data. We study the problem of antenna array topology design where we prescribe configurations allowing efficient scene inference under various measurement schemes and budget constraints. We introduce a novel nonlinear radar modality and discuss efficient design techniques for this setting. …
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Topology optimization with simultaneous analysis and design
Strategies for topology optimization of trusses and plane stress domains for minimum weight subject to stress and displacement constraints by Simultaneous Analysis and Design (SAND) are considered. The ground structure approach is used. For the truss topology optimization, a penalty function …
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Holonomic Elastoplastic Truss Design Using Displacement Based Optimization
… Optimization (DBO) approach was applied to truss design problems with material nonlinearities, to explore feasibility and verify efficiency of the approach to solve such problem. Various truss sizing problems with holonomic (path-independent) elastoplastic laws were investigated. This type of …
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Design of a very high frequency resonant boost DC-DC converter
… frequency DC-DC resonant boost converter. The topology examined features low parts count and fast transient response but suffers from higher device stresses compared to other topologies that use a larger number of passive components. A new design methodology for the proposed converter topology …
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A robust optimization approach to network design
This thesis addresses the problem of logical topology design for optical backbone networks subject to traffic following a Gaussian distribution. The network design problem is broken into three tasks: traffic routing, capacity allocation, and link placement. The routing and capacity allocation …
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Next Generation Information Communication Infrastructure and Case Studies for Future Power Systems
… technology poses new challenges in the areas of topology design, network management and real time applications. Based on advanced fiber optic technologies, an all-fiber network was investigated and proposed. The study will cover the system architecture and data exchange protocol aspects. High …
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Topics in structural topology optimization
… discusses two topics pertaining to structural topology optimization: reliability-based topology optimization and the topological derivative. We first perform reliability-based topology optimization by combining reliability analysis and material distribution topology design methods to design …
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Performance Modelling of Multi-Hop LoRa-based Networks for IoT Applications
… networks typically employ a single-hop, star-topology design, where end-devices communicate directly with central gateways. More recently, research has explored multihop LoRaWAN architectures, enabling the creation of wireless mesh networks that extend network reach and reliability. Two …
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Designing data center networks for high throughput
… about high-throughput data center network design: (a) how do we measure and benchmark various network designs for throughput? and (b) how do we design such networks for near-optimal throughput? The problem of designing high-throughput networks has received a lot of attention, with multiple …
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The integration of topology and entropy-based reliability into the optimal design of water distribution systems
… amongst all possible topologies, optimal design over all possible combinations of components sizes, and improving system performance over all possible levels of hydraulic reliability. In order to address these issues in full, a novel many-objective genetic algorithm approach to the …
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Optimal Design of Variable-Stiffness Fiber-Reinforced Composites Using Cellular Automata
… demand continuous innovations in the design of composite structures. In the traditional design of composite laminates, fiber orientation angles are constant for each layer and are usually limited to 0, 90, and ±45 degrees. To fully benefit from the directional properties of composite …
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Load Learning and Topology Optimization for Power Networks
… operators are in dire need of new monitoring and design tools that help improve efficiency, reliability, and stability of modern power networks. To this end, the work in this thesis explores a generalized modeling and analysis framework for two pertinent tasks: i) learning loads via grid probing, …