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 20 of 50 for “"cost optimization"”.
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Cost optimization in requirements management for space systems
… overall system development or drive significant cost and schedule impacts. Assessing practices in the industry and publications, it is observed that there is a substantial amount of documented approaches to address requirement development and product verification, but only a limited amount of …
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Cost optimization and routing for satellite network constellations
… very little research has been done on the cost aspect of a satellite network. In this thesis, uplink and downlink costs are ignored and a cost equation based solely on crosslinks is developed and studied closely together with a seamless constellation model. Using this cost equation, cost …
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The automatic allocation of tolerances through cost optimization
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1982.
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Execution cost optimization for hierarchical planning in the now
… it makes no effort to account for the execution cost of an abstract plan and often arrives at poor quality plans. In this thesis, we analyze situations that lead to execution cost inefficiencies in hierarchical planners. We argue that standard optimization techniques from flat planning or search …
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A cost optimization of solar-powered, drip irrigation systems
This thesis presents a design and cost optimization for solar-powered, drip irrigation systems. Historical irradiance data and crop consumption data are considered and modelled during these design steps. A cost optimization is utilized in order to determine low-cost, optimum configuration that …
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Cost optimization of a solar-powered electrodialysis desalination system
… are persistent, reliable, predictable, and low-cost. In this thesis, I present a solar photovoltaic-powered electrodialysis reversal (PV-EDR) model, and use it to design a steady voltage and pumping EDR system composed of current off-the- shelf parts for Chelluru, a village near Hyderabad, …
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Cost optimization of a silo based MX missile system, A
Includes bibliographical references.
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Cost Optimization Modeling for Airport Capacity Expansion Problems in Metropolitan Areas
<p>The purpose of this research was to develop a cost optimization model to identify an optimal solution to expand airport capacity in metropolitan areas in consideration of demand uncertainties. The study first analyzed four airport capacity expansion cases from different regions of the world to …
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Transmission congestion management and security cost optimization in deregulated electricity markets
… re-dispatch and the corresponding security cost allocation are based on the calculated power flow contribution. The proposed generation re-dispatch method and the proposed security cost allocation method both with two sensitivity factors are validated respectively on four test systems …
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Cost Optimization of US Sustainable Aviation Fuel Supply Chain Under Different Policy Constraints
This thesis quantifies the costs and emissions of a potential sustainable aviation fuel supply chain in the US in 2035 while incorporating regional uncertainty analysis. Feedstock availability is quantified using projected arable land availability, agricultural yields, and projected waste and …
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Properties constrained cost optimization of polyester-filler systems with non-linear property-composition relationships
A general procedure for the constrained optimization of components of a polyester resin-filler composite is formulated and quantitative relationships between the mechanical properties and composition are developed. The fillers examined were clay, marble, glass microballoons, saran microspheres, …
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Qualitative investigation of cost optimization strategies for industrial-based fiber optic local area networks
… factory floor. The emphasis at this level is low cost, but while providing interconnection to higher tiers. An approach which satisfies the lowest tier requirements is a non-shared medium scheme which is link based, consisting of an active star architecture using a roll-call polling access method. …
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Cost Optimization and Load Balancing of Intra and Inter Data Center Networks to Facilitate Cloud Services
… resource requirement has a high provisioning cost and blocking compared to the VN class having the same resource requirement for each request although the average resource requirement is same for both these VN classes. We also observe that our approach reduces the maximum energy consumption by …
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Radiation Shielding calculations using MCNPX transport code for cost optimization of the shielding material to be used at iThemba LABS.
At iThemba Laboratory for Accelerator Based Sciences (iThemba LABS), the shared use of the Separated Sector Cyclotron has reached the point where further advancement of the respective disciplines cannot be realised. The new facility is proposed to respond to the demands of these, specifically a …
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Cost Optimization in Sheet Metal Manufacturing by Tuning the Sheet Metal Nesting Strategy Based on Sheet Utilization and Downstream Part Handling Costs
… metal fabrication industry. One of the primary cost drivers for this process is sheet utilization, which is the amount of raw material processed into a usable blank compared to the total raw material processed. Nesting is a method that efficiently packs blanks onto raw sheets with the aim of …
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A contribution to risk-informed inspection and maintenance planning for unpiggable pipelines subject to internal corrosion
… elevated risk and increased pipeline lifecycle costs. The aim of this dissertation is to expand the state of knowledge in risk-based inspection and maintenance planning for upstream unpiggable pipelines subject to internal corrosion. The research focuses on unpiggable pipelines in production and …
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Techno-Economic Analysis of Fusion Energy in the European Electricity Market
… various scenarios by employing the GenX least-cost optimization model, factoring in different investment costs and emission caps. The research addresses how fusion energy could influence total system costs, electricity prices, and competitiveness against other technologies. Results indicate …
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Otimização de redes de distribuição de água: estudo de dois modelos
Two cost optimization models of water distribution networks are studied and a evaluation of the obtained solutions and computational performance are done. The first model analyzed transforms the optimization problem into a zero-one integer linear programming problem, which is solved by implicit …
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Life cycle cost design of concrete structures
A life cycle cost based procedure for the design of reinforced concrete structural elements is presented in this thesis. The design procedure attempts to integrate structural performance and durability together with economic cost optimization into the structural design process. The evaluation of …
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Optimization for recipe-based, diet-planning inventory management
… thesis begins with an exploration on the classic optimization problem - the diet problem based upon mixed-integer linear programming. Then, considering the fact that real diet-planning is sophisticated as it would be planning recipes rather than possible raw materials for the meals. Hence, the …
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