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The process of washing and leaching of latheric minerals requieres the use of pumps drives to transport pulps and licours to the processing units to obtain Nia+Co; It is interesting to ofert a way to rise the productivity of these mechanisms through the increment of the revolutions number of the motors, which is related with the flows and the speeds of mineral transport, and offer an algorithm of a speed observer an induction motor that works at high frequencies under conditions metallurgical-minning of Moa, vectorially regulated by Field Oriented Theory. The Model is simulated on MATLAB, showing the optimization graphics of the mining drives, by means a serially of subordinated regulation by an optimum module and symmetrical optimum [ABSTRACT FROM AUTHOR]