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IGBT is one of the key components of motor driving system for electric vehicles, and its reliability directly affects the reliability of the electric vehicles. The reliability of the IGBT is affected by the loss and the junction temperature in working condition. To predict the IGBTpsilas loss and thermal response, especially in the case of adverse dynamic conditions, the dynamic loss model and the...
Variable structure controllers that can be effectively applied to control an electric arc furnace are investigated in this paper. A gereral formulation and solution of the variable structure system design problem is presented together with some guidlines for the choice of a suitable model following. A state space reduction method is applied to reduce the dominant dynamic order and hence simplify the...
Model reference variable structure controllers are applied to switched-mode circuits, and their performance robustness is investigated. A generalized formulation together with its solution is presented for a class of problems, in variable structure control, involving state-space analysis of inherently time-varying regulators. The effects of the design averaging model and its description on tracking...
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