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  • Reliability centered prediction technique for diagnostic modeling and improvement

    Creator:
    Murphy, Michael D., 1965-
    Abstract:
    Design phase decisions based on diagnosability lead to lower system costs and, in turn, higher quality products by means of reducing maintenance time and increasing system reliability. A case for diagnosability is presented. Functions of diagnosability are expounded upon including life cycle costs, statistical analysis, and design criterion to emphasize...
    Resource Type:
    Masters Thesis
    Full Text:
    knowledge and experience. Regardless of the specific parameter, if the mathematical model of a statistical

  • Critical evaluation of Ouyang's model reduction method

    Creator:
    Jia, Zuxin
    Abstract:
    A model reduction method for stable, linear, time-invariant, continuous systems is critically studied. This method, proposed by Prof. Ouyang, is based on the concept of power dispersion and the least-squared estimation technique. The reduced models obtained by this method retain the stability of the stable, high order original systems and...
    Resource Type:
    Masters Thesis
    Full Text:
    Engineering presented on June 9, 1989. Title: Critical Evaluation of Ouyang's Model Reduction Method

  • Wave interaction with rubble mound structures

    Creator:
    Yoo, Chul-hee
    Abstract:
    The objective of this study is the development and verification of an analytical solution for an unsteady flow field partially occupied by a permeable structure. Flow is induced by a small amplitude incident wave train and the permeable structure may contain multilayered anisotropic but homogeneous material. The analytical solution developed...
    Resource Type:
    Masters Thesis
    Full Text:
    application of simplified mathematical models. In 1985, Kobayashi and Jacobs developed a mathematical model

  • Decentralized control of a cable-stayed beam structure

    Creator:
    Volz, Patrick U.
    Resource Type:
    Masters Thesis
    Full Text:
    Master of Science in Electrical and Computer Engineering presented on May 5, 1995. Title: Decentralized

  • Optimization and control of cable deployment systems

    Creator:
    Mtira, Mohamed
    Abstract:
    An optimization methodology, algorithms, and computer program for cable/lumped-body deployment system are developed for the design and installation of sonar packages in deep ocean ranges. In addition, a methodology and algorithms for the control of the system are proposed. A penalty function is developed in terms of the system parameters...
    Resource Type:
    Masters Thesis
    Full Text:
    Environment 17 3.2 Mathematical Model 17 3.2.1 State Variables 17 3.2.2 System Parameters 18 3.2.3

  • An MCNP benchmark model of the large experimental ZPPR-19B sodium fast reactor

    Creator:
    Onufer, Mark
    Abstract:
    The International Handbook of Evaluated Reactor Physics Benchmark Experiments contains detailed descriptions of many different reactor facilities. A large portion of these experiments have not been fully modeled due to the unavailability of computational power at the time of the experiment’s execution. With the advent of renewed interest in Sodium...
    Resource Type:
    Masters Thesis
    Full Text:
    of Science in Nuclear Engineering presented on December 11, 2013. Title: An MCNP Benchmark Model

  • Burnup dependent neutron flux and heat source distribution in sphere-pac mixed carbide fuels

    Creator:
    Robinson, Cheryl A.
    Abstract:
    Through a joint effort by the Swiss Federal Institute for Reactor Research and Oregon State University, the fuels modeling code SPECKLE is being developed to model sphere-pac mixed carbide nuclear fuel. Major parameters, such as fission gas release, fuel restructuring phenomena, and the temperature and porosity distributions in the fuel...
    Resource Type:
    Masters Thesis
    Full Text:
    of Master of Science in Nuclear Engineering presented on July 6, 1981 Title: Burnup Dependent

  • Evaluation of the Performance of Lateral Spread Displacement Empirical Models for Subduction Zone Earthquake Case Histories

    Creator:
    Bunn, Michael
    Abstract:
    Lateral spread is a pervasive type of liquefaction-induced ground failure that occurs on gentle slopes or near free-faces, such as river channels. Resulting horizontal displacements can reach up to several meters, and can be considerably damaging to foundations, bridges, roadways, pipelines, etc. In the 1990s, Bartlett and Youd (1992a, 1995)...
    Resource Type:
    Masters Thesis
    Full Text:
    lateral spread displacements. Since then, this model has become popular in engineering practice

  • Flexural steel anchorage performance at diagonal crack locations

    Creator:
    Triska, Mary Ann
    Abstract:
    Large numbers of reinforced concrete deck girder bridges that were constructed during the interstate system expansion of the 1950s have developed diagonal cracking in the stems. Compared to the present AASHTO-LRFD standards, the provisions of the 1950s allowed for higher shear stress in the concrete, thus reducing the amount of...
    Resource Type:
    Masters Thesis
    Full Text:
    THE THESIS OF Mary Ann Triska for the degree of Master of Science in Civil Engineering presented

  • System optimization studies related to stator design and AC/AC converter selection for brushless doubly-fed machines

    Creator:
    Bhowmik, Shibashis
    Abstract:
    The advent of superior power semiconductor devices and converter topologies has renewed interest in ac drive systems. Although considerable research efforts have gone into improving power electronic converter devices and topologies, very little has been reported on the overall performance optimization of induction machine drive systems. The report of the...
    Resource Type:
    Masters Thesis
    Full Text:
    Bhowmik for the degree of Master of Science in Electrical and Computer Engineering presented on