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This work proposes to control the flux linkage of the dynamic voltage restorer (DVR) transformers through a proper correction in the voltage injections. The flux-linkages are calculated by means of the voltages in the transformers that are injected by the DVR. In case of exceeding the maximum flux saturation, a form factor is determined and the voltage injected is modified within a half cycle and...
This paper studies Mean square stability, Stochastic stability and Exponential stability for discrete-time singular linear systems whose parameters are driven by a finite state Markov chain. It is shown the equivalence of these notions under certain conditions. New necessary conditions for mean square stability in terms of generalized Lyapunov equations for homogeneous and non-homogeneous of this...
Autonomous mobile robots can be applied to perform activities that should not, or cannot, be performed by humans due to inhospitable conditions or high level of danger. An autonomous mobile robot must be able to navigate safely in unfamiliar environments by reconstructing information from its sensors so as to plan and execute routes. Simultaneous Localization And Mapping, SLAM, technique allows the...
In this paper, a new approach to the thermal management of piezoelectric transformers is proposed. Starting from the electromechanical equations, including mechanical and dielectrical losses, and knowing the piezoelectric material characteristics, an analytical model was developed and the theoretical profile of the heat sources was deduced. To check these theoretical points of view, a thermal characterization...
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