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 28 for “"cost solutions"”.
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A linear programming approach to minimizing wood procurement costs for integrated forest products firms
A linear programming cost minimization problem is presented to demonstrate the applicability of the technique to problems inherent in the forest management decision making process. A case study of an integrated forest products firm with the objective of minimizing the present value cost of wood …
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Signal absorption-based range estimator for undersea swarms
… often rely on acoustics to inform navigation solutions; however, this approach presents challenges for scalable robotic swarms. Acoustic navigation is a means to inform range and bearing to a target. Many methods for range and bearing estimation, including current low-cost solutions, rely on …
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Enhanced Representations of Probabilistic Resource Adequacy Risk in Power System Capacity Expansion Modeling
… reserve margin heuristics to produce least-cost solutions that also meet probabilistic resource adequacy criteria. While these conventional strategies have always had shortcomings, they are becoming increasingly untenable as the grid's supply-demand balance comes to depend more and more on …
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Reducing Turnaround Time of Clinical Laboratory Analysis Through Use of Efficient Blood Collection Techniques
… demand, the key could also be found through low-cost solutions such as reducing centrifugation time of blood specimens, pneumatic tube system installations, and enhanced blood collection techniques where tube conversion from serum-to-plasma and the volume of blood specimen required during …
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Optimal reliability-based design of bulk water supply systems
… to determine a trade-off curve between system cost and reliability, from which the designer can select a suitable solution. Optimisation of the bulk system was performed using the multi-objective genetic algorithm, NSGA-II. As Monte Carlo sampling can be computationally expensive, especially …
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A simultaneous localization and mapping implementation using inexpensive hardware
… the computational complexity and physical cost of implementing the algorithm place the SLAM solution beyond the scope of many low-cost robotics projects. This thesis analyzes many of these cost issues related to the implementation of SLAM on autonomous robots. First, the types of sensing …
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Automatic translation of non-repetitive OpenMP to MPI
… are becoming increasingly available low-cost solutions for high performance computing. Delivering a productive programming environment that hides the complexity of clusters and allows writing efficient programs is urgently needed. Despite multiple efforts to provide shared memory …
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Inferring Network Status from Partial Observations
… principle and we show that, in general, finding solutions that minimize the MDL cost is hard, and develop efficient algorithms with rigorous performance guarantees for finding near-optimal MDL cost solutions. We evaluate our methods on both synthetic and real world datasets, which includes the …
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A Review of Anthropomorphic Robotic Hand Technology and Data Glove Based Control
… topical areas, robotic hand and data gloves, are cost prohibitive which limits their implementation for intended tasks. After reviewing the literature, new designs of robotic hand and data glove technology are also presented, introducing low cost solutions that can serve as accessible platforms …
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Experimental study and performance analysis of real time applications over differentiated services capable networks
… (iv) identify potential weaknesses and propose solutions. We performed our research by developing a Linux based Differentiated Services capable network, and by conducting extensive sets of experiments and measurements. As the reader will find out, we succeeded in all the objectives. Performance …
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System-wide Safety Analysis of a Complex Transportation Facility: Urban Freeway Off-ramps
… allows for a widespread installation of lower-cost countermeasures across the highway network. This study focuses on the safety evaluation of a particular facility type, urban freeway off-ramps, in terms of its geometric and traffic characteristics. 144 off-ramp segments in Richmond, VA were …
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Heuristic search under time and cost bounds
… they return may be more expensive than a least cost, or optimal, plan for the problem. While suboptimal heuristic search algorithms may not return least cost solutions to the problem, they are often far faster than their optimal counterparts, making them more attractive for many …
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Distributed approaches for coverage missions with multiple heterogeneous UAVs for coastal areas.
… of small scale aerial platform manufacturing costs, have given researchers the opportunity to propose efficient and low-cost solutions to a wide variety of problems. Regarding marine sciences and more generally coastal or sea operations, the use of aerial robots brings forth a number of …
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Solid waste disposal and enforcement with an application to Virginia's scrap tires
… literature related to the effect of enforcement costs on solid waste disposal policy. The analysis demonstrates that the choice of a cost effective policy tool, be it either an enforcement mechanism or targeted subsidy, is an empirical question dependent on the particular attributes of the …
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EMI Suppression and Performance Enhancement for Truly Differential Gate Drivers
… EMI challenges, albeit at a higher component and cost expense. This thesis aims to design, analyze, and implement a recent innovative differential gate driver for a 1.2 kV SiC MOSFET full bridge module. The purpose of this design is to mitigate EMI, improve performance, and reduce the number of …
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Automated detection of invariant manifold intersections using grid based approach
… unmanned missions where longer time-of-flight solutions can be considered. One effective way to produce longer time of flight solutions is to leverage the natural dynamics of the system, which lends towards low energy trajectories. The dynamical structures of such systems provide global …
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Large-scale optimization in online-retail inventory management
… minimize the sum of outbound shipping and fixed costs for all the items, while satisfying demand and capacity constraints. The large scale of the problem is due to the size of the fulfillment center network and the number of items. We propose a large-scale solution scheme that aggregates the …
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The Americans with Disabilities Act of 1990(ADA)Paratransit Cost Issues and Solutions for the Greater Richmond Transit Company (GRTC) and Beyond
… public transit agencies, especially the rising costs of providing services for paratransit. Even though paratransit services are one of the most efficient ways to help move people with disabilities and the elderly, they are the most expensive and the most difficult to coordinate and operate. The …
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Intelligent design of manufacturing systems.
… are unable to generate optimal or near optimal solutions to problems of a practical size. In addition, a variety of limitations have been identified that restrict the use of existing techniques. For example, existing methods are limited with respect to the external conditions over which they are …
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High-Speed Optical Modulators and Data Communication Systems in Silicon Photonics
… highly scalable and potentially very low cost solutions for various applications in the field of optical data communications. This thesis focuses on the technical challenges in silicon photonics on both the component and system levels. One of the most important components in optical …
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