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 12 of 12 for “"multiple failures"”.
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Handling Multiple Failures in IP Networks
… in well-managed networks, due to link and node failures. Although most failures affect only a single link or component, a significant fraction of failures involve more than one link or communications node. In order to support time-sensitive applications such as Voice Over IP (VOIP), these …
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Qualitative Reasonings With Deep-Level Mechanism Models for Diagnoses of Dependent Failures (Artificial Intelligence)
… on the "single failure" assumption even though multiple failures are main concerns in the real world. In this research, we concentrate on a subclass of multiple failures, called dependent failures, where a primary failure may induce subsequent secondary failure(s). The dependent-failure case is …
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Efficient Design and Management of Reliable Optical Networks
… in this thesis. First, a study on the impact of multiple failures and techniques for addressing such failures are presented. Second, service differentiation based on reliability needs is studied. Service differentiation is critical in balancing network operation costs as well as in maximizing …
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Holocene Arroyo Cut and Fills Cycles, South-Central Washington
… along Selah Creek is primarily attributed to multiple failures of an irrigation reservoir dam during the winters of 1909 and 1910. The modern arroyo exposed evidence of at least one previous episode of arroyo incision to a depth of ~4 m that occurred just prior to 1530- 1340 cal yr BP. Filling …
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Review of Underground Tunneling Techniques at the New Irvington Tunnel in San Francisco, California and the Virginia and Truckee Railroad in Virginia City, Nevada
… Railroad company has one tunnel that has had multiple failures since the 1950s. This tunnel, Tunnel 3, was visited to collect data and determine the cause of failure. The Tunnel is located in moderately to highly altered Alta Formation andesite and has silty clay surrounding its failure zone. …
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Adaptive Estimation and Detection Techniques with Applications
… huge diversity of engineering applications. Multiplemodel (MM) estimation is the state-of-the-art approach to many hybrid estimation problems. Existing MM methods with fixed structure usually perform well for problems that can be handled by a small set of models. However, their performance is …
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Survivability in layered networks
… failure at the lower (physical) layer may cause multiple failures at the upper (logical) layer. As a result, traditional schemes that protect against single failures may not be effective in layered networks. This thesis studies the problem of maximizing network survivability in the layered …
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Topology overlays for dedicated protection Ethernet LAN services in advanced SONET/SDH networks
… (VCAT) feature which supports inverse multiplexing to 'split' larger connection requests in to a series of independently-routed 'sub-connections'. As these improved infrastructures have been deployed, the design of new Ethernet over SONET/SDH (EoS) services has become a key focus area …
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Impact Assessment, Detection, and Mitigation of False Data Attacks in Electrical Power Systems
… causing the worst-case impacts such as cascading failures is investigated. The case study results indicate that false data attacks do not often lead to widespread blackouts, but do result in subsequent line overloads and load shedding. The impacts are magnified when attacks are coordinated with …
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Impact Assessment, Detection, And Mitigation Of False Data Attacks In Electrical Power Systems
… causing the worst-case impacts such as cascading failures is investigated. The case study results indicate that false data attacks do not often lead to widespread blackouts, but do result in subsequent line overloads and load shedding. The impacts are magnified when attacks are coordinated with …
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Supporting Space Systems Design via Systems Dependency Analysis Methodology
… of engineering disciplines and the objectives of multiple stakeholders, there is still a need for more effective tools and methods capable to identify, analyze and quantify properties of the complex system as a whole and to model explicitly the effect of some of the features that characterize …
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Troubleshooting interactive complexity bugs
… in systems with large number of components, multiple failures often interact in some unexpected way, leading to catastrophic failures in systems such as planes or nuclear power plants. He also suggested that with increasing interactive complexity and tight coupling, unexpected interactions of …