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In this paper, a step by step algorithm is given to design functional unknown input observer for nonlinear discrete time systems under the Polytopic Takagi-Sugeno framework (also known as multiple models systems). Applying the Lyapunov theory and the ℒ2 attenuation, Linear Matrix Inequalities (LMI)s conditions are deduced which are solved for feasibility to obtain observer design matrices. To reject...
A critical requirement in the consensus-based simultaneous arrival problem is that consensus on the ETA must be achieved before any actual arrivals. Thus, the convergence rate of the consensus algorithm is important. When velocity constraints exist, however, finding the convergence rate of continuous-time algorithms is challenging. To address constrained consensus, we present a continuous-time projection-based...
The article presents the models of transformers with specially connected windings for supplying catenary systems of high-speed rail. Using the symmetrical components method and equations describing the relationship between voltages and currents on the primary and secondary sides of the transformer one can derive equations describing the value of the voltage unbalance factor Eu depending on the transformer...
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