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A framework is established for directly accommodating feedback interconnections of unstable distributed-parameter transfer functions in robust stability analysis via integral quadratic constraints (IQCs). This involves transfer function homotopies that are continuous in a -gap metric sense. As such, the development includes the extension of -gap metric concepts to an irrational setting and...
The stability of uncertain feedback interconnections of causal time-varying linear systems is studied in terms of a recently established generalisation of the υ-gap metric. In particular, a number of robustness results from the well-known linear time-invariant theory are extended. The time-varying generalisations include: sufficient conditions for robust stability; a bound on robust performance; and...
The paper deals with the evaluation of robustness of high power Press Pack IGBT modules under short circuit conditions. The severity of the tests is usually related to the achievement of the real failure mode which drives the device to withstand a big amount of energy. The most and well known methods to evaluate the robustness of the devices have been analyzed and improved in order to operate with...
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