Abstract: The objective of this paper is to develop the mathematical model of the non-linear power system that can be utilized for implementing the different class of controller. The controller designed here fulfills the stability requirement of the system as well as makes the system transiently stable. The linearization of the power system is done using direct feedback linearization technique and the model thus obtained has parameters which can be used as controller input. The linear LQ optimal control theory is applied to the model to design an optimal feedback control law, νf (t).

• Publication Date: 17-Jun-2012
• DOI: 10.15224/978-981-07-2579-2-449
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Abstract: In recent years relay based communication has gained attention researchers and the scientific community. In this paper the source-to-destination statistics of a two hop amplify-forward relay branch, with the channel fading statistics of each hop being Nakagami-m distributed has been evaluated. The expression for the statistics of the signal envelope at the output of a selection combiner in the destination node of a N-path dual-hop relay braches is derived and compared with the simulation results. The statistics are helpful in evaluating the system performance in terms of bit error rate.

• Publication Date: 17-Jun-2012
• DOI: 10.15224/978-981-07-2579-2-457
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