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 11 of 11 for “"Degradation analysis"”.
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Degradation Analysis for Heterogeneous Data Using Mixture Model
… about reliability of the products. If a degradation measure that is closely related to failure can be monitored, degradation analysis, as an alternative to the failure time analysis, may lead to improved reliability inference and provide additional information related to the failure …
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DEGRADATION ANALYSIS AND HEALTH MONITERING OF LITHIUM ION BATTERIES
Degradation and health monitoring of lithium-ion batteries is explored through life-cycle testing and failure analysis. Test samples comprised of four different battery types from two different manufactures underwent aging and charge/discharge cycling using a variety of load profiles including …
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High Voltage Bias Testing And Degradation Analysis Of Photovoltaic Modules
… the high voltage bias testing and data and degradation analysis of high voltage biased thin film photovoltaic modules. The second aspect addressed the issues of reliability and durability of crystalline silicon module. Grid-connected photovoltaic systems must withstand high voltage bias in …
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Functional Data Models for Raman Spectral Data and Degradation Analysis
Functional data analysis (FDA) studies data in the form of measurements over a domain as whole entities. Our first focus is on the post-hoc analysis with pairwise and contrast comparisons of the popular functional ANOVA model comparing groups of functional data. Existing contrast tests assume …
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The Advancements on the Interface of Statistical Computing, Survival Analysis, and Degradation Analysis
In survival analysis and degradation analysis, analyzing complex data often requires advanced computing methods to carry out model estimation and inference. Motivated by computational challenges in survival analysis and a specific dataset in degradation analysis, this dissertation focuses on the …
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A Study of Mathematical Modeling of Remaining Useful Life, Assessment, and Prognostics & Health Management (PHM)
… science, engineering management, survival analysis, etc. This thesis explores two different methods of RUL modeling and assessment: lifetime data analysis and degradation based analysis. Traditionally, reliability estimation has been based on analysis of time-to-failure data of a …
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The analysis of gene transcripts associated with conidiation in the insect pathogenic fungus, Metarhizium anisopliae /
… plays a fundamental role in cuticular protein degradation. Analysis of the patterns of gene expression of the transcripts using RT-PCR indicated that conidial-associated cDNAs are expressed during the development of the mature conidium. RT-PCR analysis was also performed to examine in vivo …
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The Regulation of UHRF1 during Mammalian Embryogenesis
… naïve pluripotency highlights that proteasomal degradation of UHRF1 driven specifically by ERK inhibition is the principal cause of global demethylation in these conditions. Mass spectrometry analysis of post-translational UHRF1 phosphorylations as well as stability analysis of UHRF1 fragments …
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The design and use of a digital radio telemetry system for measuring internal combustion engine piston parameters.
… to sample the appropriate data required for oil degradation analysis and the unavailability of system to perform such sampling. The prototype system was designed for installation within a small Norton Villiers C-30 industrial engine. This choice of engine presented significant design challenges …
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Li-ion battery electrode state of charge and degradation monitoring using battery casing as the reference electrode
… monitoring is helpful for effective battery degradation monitoring. Monitoring these internal parameters is challenging due to the weak observability of the electrode parameters and lack of information about available lithium-ion contents in the cell. A reference electrode can be useful to …
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Reliable chip design from low powered unreliable components
… and higher levels of variability, performance degradation, and higher rates of manufacturing defects are experienced. Soft errors, which traditionally affected only the memories, are now also resulting in logic circuit reliability degradation. A solution to these limitations is to integrate …