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Journal of applied research and technology
versión On-line ISSN 2448-6736versión impresa ISSN 1665-6423
Resumen
AGUILAR-LOPEZ, R.; PENA-CABALLERO, V. y NERIA-GONZALEZ, M. I.. Control of a Class of Sulfate Reducing Chemostat Via Feedback Polynomial Injection. J. appl. res. technol [online]. 2010, vol.8, n.2, pp.274-286. ISSN 2448-6736.
The main goal of this work is to present a new class of feedback controller which contains on its structure a polynomial form of the named control error, the proposed controller is applied to a class of sulfate-reducing chemostat in order to control the sulfate concentration, which would be useful for several biotechnological issues, as heavy metal removal in wastewater. The closed-loop behavior of the chemostat is theoretically analyzed and a practical convergence to the selected optimum trajectory is proved. The proposed methodology is applied to an experimentally corroborated kinetic model of a sulfate-reducing bacterium and further numerical experiments show the satisfactory closed-loop performance of the process in comparison with other controllers.
Palabras llave : Sulfate reducing chemostat; polynomial feedback; closed-loop stability.