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The underground cable simulation model discussed in this paper evaluates, accurately and efficiently, numerous budgeting scenarios and their effects on the underground cable reliability and faults. This in turn enables proactive approaches to cable replacement management and a focus on budgeting optimization throughout the duration of the cable replacement project, rather than short term. For utilities...
Hardware fault-insertion test (FIT) is a promising method for system reliability test and diagnosis coverage measurement. It improves the speed of releasing a quality diagnostic program before manufacturing and provides feedbacks of fault tolerance of a very complicated large system. Certain level insufficient fault tolerance can be fixed in the current system but others may require ASIC or overall...
In diagnostics of complex machines, for their condition assessment we often use many dasiawould bepsila symptoms at the beginning, especially at the diagnostic startup of a new machine. The discrete observation of this dasiawould bepsila symptom vector creates so called symptom observation matrix (SOM). Using next the singular value decomposition (SVD) for the given SOM, one can extract the generalized...
This paper addresses the problem of instrumentation for fault detection and isolation in structured systems. The design of sensor networks is achieved by using structural analysis. This problem of sensor network design is formulated as nonlinear binary optimization problem. If the FDI problem is not solvable for an instrumented system, the strategy determines the additional sensors to be used to guarantee...
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