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 18 of 18 for “"placement optimization"”.
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Oversized Package Placement Optimization in Warehouses
… and non-OV packages (non-OV). Currently, the placement of OV to OV racks is coupled with non-OV placement to non-OV racks because Amazon’s algorithm does not explicitly assign OV to a rack but places it in the rack where the non-OV package of the closest delivery destination is. The result is …
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Indoor Radio Dot Placement Optimization using UE Positioning and K-Means Clustering
… to the network performance. Adjusting RD unit placements by taking the dynamic information into account could provide a cost-efficient solution to optimize the Indoor network performance.
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Data-Driven Bike-Share Ridership Prediction and Network Optimization
… models for ridership prediction, station placement optimization, and electrification planning to address these challenges. First, a customized Graph Neural Network framework using GraphSAGE is introduced for station-to-station ridership prediction, integrating network topology, …
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Coded caching for cache-aided communication and computing with nonuniform demands
… characterize the structure of the optimal cache placement of the coded caching scheme (CCS).We show there are at most three file groups in the optimal placement and obtain the closed-form solution in each file grouping case. A simple algorithm is developed to obtain the final optimal cache …
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Inverse Problems in Structural Mechanics
… the parameters to be extracted using measured displacements or strains. The optimizer L-BFGS-B is used to solve the least squares problem. The second problem is the placement optimization of a distributed sensing fiber optic sensor for a smart bed using Genetic Algorithms (GA), where the sensor …
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Segurança em redes definidas por software :autenticação, controle de acesso e consistência com plano de controle eficientemente distribuído
… controller prototype was implemented and the placement heuristic was analyzed in several real topologies. The results of the controller placement evaluation show that network connectivity is maintained in scenarios where there is a high rate of network node failure. It is also proven that …
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Inventory management strategy for the supply chain of a medical device company
… mathematical formulae and Strategic Inventory Placement optimization method, this paper examines the extent of the usefulness of a few possible strategies, such as kitting architecture change and continuous review system, for a family of medical emergency surgical kits across the whole supply …
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Resource Sharing for Machine Learning Serving
… dynamic model execution system and a data-driven placement optimization algorithm. We further identify future research directions to advance the paradigm of resource sharing: (1) performance and security isolation for practical deployment, and (2) optimized computation-communication overlapping by …
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Global Optimization of Transmitter Placement for Indoor Wireless Communication Systems
… methods for bound constrained global optimization, has been applied to the optimal transmitter placement for indoor wireless systems. Power coverage and BER (bit error rate) are considered as two criteria for optimizing locations of a specified number of transmitters across the …
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Optimal placement of battery energy storage system for voltage profile improvement and power loss reduction
This dissertation investigates the optimal placement of Battery Energy Storage Systems (BESS) in a modified 16-bus Witzenberg radial distribution network incorporating renewable energy sources, particularly photovoltaic (PV) systems. As the distribution networks increasingly integrate intermittent …
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Dynamic temperature estimation of power electronics systems
… the reduced order thermal model in the sensor placement optimization process. The accuracy of the thermal estimates can be easily increased by increasing the number of sensors in the system. However, a large number of sensors increases the cost and complexity of the system. It might also …
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Advanced System Monitoring with Phasor Measurements
… are looking for the best solutions to the placement of units as well as to the applications that make the most of phasor measurements. This dissertation explores a method for optimal PMU placement as well as two applications of synchronized phasor measurements in state estimation. The …
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Adaptive communication networks for heterogeneous teams of robots
… of the thesis we consider the problem of router placement while explicitly accounting for client motion over a priori unknown trajectories. We formulate this problem as a novel optimization called the connected reachable k-connected center problem that extends the classical k-center problem. We …
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Stochastic Models of Limit Order Markets
… the thesis we study the problem of optimal order placement in a fragmented limit order market. To execute a trade, market participants can submit limit orders or market orders across various exchanges where a stock is traded. In practice these decisions are influenced by sizes of order queues and …
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Vibro-acoustic optimization of panel with curvilinear stiffeners
… dissertation. Researchers have dealt with sizing optimization of panels with straight/curvilinear stiffeners for many years and it has been proven that in some cases the mass of a panel with curvilinear stiffeners is lesser than the mass of a panel with straight stiffeners for a complex loading …
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Machine Learning Driven Source Identification, State Estimation and Sensor Optimization in Water Systems
… in water distribution systems, and iii) Sensor Placement Optimization (SPO) in both systems. Traditional methods proposed to address these problems have been constrained by a number of simplifying assumptions that limit their practical applicability, such as considering only single, non-reactive …
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Synchrophasor Sensing and Processing Based Smart Grid Security Assessment for Renewable Energy Integration
… addition, considering the economic issues, the placement optimization of distributed synchrophasor sensors is studied to reduce the number of the sensors without affecting the accuracy and effectiveness of the proposed approach. Furthermore, because the natural hazards is a critical issue for …
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Optimization for advanced lithography
… processes. Instead, design-technology co-optimization (DTCO) via electronic design automation (EDA) software is a more effective way. Targeting the most promising lithography and process techniques for advanced technology nodes below 20 nm, in this thesis we study their major challenges …