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 14385 for “"variable"”.
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A Variable-Structure Variable-Order Simulation Paradigm for Power Electronic Circuits
… rapidly growing number of applications including variable-speed motor drives for hybrid electric vehicles and industrial applications, battery energy storage systems, and for interfacing renewable energy sources and controlling power flow in electric power systems. The desire for higher power …
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Design and Dynamic Analysis of a Variable-Sweep, Variable-Span Morphing UAV
… considers the dynamic effects of morphing for a variable-sweep, variable-span UAV. A scale model of such a morphing wing has been fabricated and tested in the low-speed wind tunnel at Embry-Riddle Aeronautical University. The focus of this thesis is the development of a dynamic model for this …
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Variable buoyancy system metric
… used on the vehicle to alter buoyancy, or variable buoyancy (VB) systems, have seen only minor improvements during the same time period. Though current VB systems are extremely robust, their lack of performance has become a hinderance to the advancement of vehicle capabilities. This thesis …
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INFERENCE AFTER VARIABLE SELECTION
… beta_1 x_1 + ... + beta_p x_p + e after model or variable selection, including prediction intervals for a future value of the response variable Y_f, and testing hypotheses with the bootstrap. If n is the sample size, most results are for n/p large, but prediction intervals are developed that may …
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Cross Environmental Variable Synchrony
… to environmental factors, such as climatic variables, which are correlated over space; and trophic interactions with other synchronous or mobile species. The second mechanism is called the Moran effect; the Moran effect is, arguably, the most common and important mechanism of synchrony over …
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Variable Annuity -- Laps Behavior
… exploration of mathematical models for Variable Annuities (VAs), focusing on the dynamics of policyholder behavior and the implications for pricing and risk management. VAs are complex financial instruments offering various guarantees, such as minimum death and living benefits, …
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Dynamic Dead Variable Analysis
Dynamic dead variable analysis (DDVA) extends traditional static dead variable analysis (SDVA) in the context of model checking through the use of run-time information. The analysis is run multiple times during the course of model checking to create a more precise set of dead variables. The DDVA is …
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Variable Successive Over-Relaxation
Made available in DSpace on 2014-12-09T22:17:42Z (GMT). No. of bitstreams: 1 6808162.pdf: 1653431 bytes, checksum: c2e365e4f406ffc334ca956174a024da (MD5) Previous issue date: 1967
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Variable pitch fan aerodynamics
Variable pitch fans could enable reduced fuel burn, low fan pressure ratio turbofan engines by extending fan stage operating range and reducing weight and drag by eliminating thrust reversers. The work in this thesis looks to further understanding of the aerodynamic performance of variable pitch …
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Variable structure control systems
… thesis, is to provide a body of knowledge on variable structure system theory and to apply the developed design concepts to control practical systems. It introduces the concept of a structure. The main aim in designing variable structure controllers, is to synthesize a variable structure …
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Variable buoyancy system metric
… used on the vehicle to alter buoyancy, or variable buoyancy (VB) systems, have seen only minor improvements during the same time period. Though current VB systems are extremely robust, their lack of performance has become a hinderance to the advancement of vehicle capabilities. This thesis …
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Termopotamia : colonia de agregación variable
Si es tan revitalizador permanecer en el agua ¿por qué lo hemos hecho durante tanto tiempo de forma tan limitada?¿Por qué reservamos el contacto con el agua para cortos períodos de tiempo? ¿en qué consistiría un ambiente estimulante y regenerador que permita al ciudadano reinventarse y …
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Basis Risk in Variable Annuities
… and practical analysis of basis risk in the U.S. variable annuity market and examines effective fund mapping strategies to mitigate the level of basis risk while controlling for the associated transaction costs. Variable annuities are personal savings and investment products with long-term …
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Robustness of Variable Length Codes
… thesis is to determine the robustness of certain variable length codes in the presence of channel errors. The codes studied are: Huffman, Huffman equivalent, and T-codes. The algorithm used to construct each code is presented, together with appropriate methods of modifying the constructed code. …
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State Variable and Parameter Estimation
The development of methods designed to produce continuous solutions to linear, ordinary differential equations is described. These solutions are based on a set of orthogonal polynomials. This work is then incorporated into state estimation theory and a continuous filter is developed. A new …
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