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Resumen

DESIGN OF A MEASURING NODE TO REGULATE THE SPEED OF A DC MOTOR IN A NETWORKED CONTROL SYSTEM, BASED ON HARDWARE -SOFTWARE CODESIGN TECHNIQUES

DISEÑO DE UN NODO MEDIDOR PARA UN SISTEMA DE CONTROL EN RED QUE REGULA LA VELOCIDAD DE UN MOTOR DC, BASADO EN TÉCNICAS DE CODISEÑO HARDWARE – SOFTWARE
MSc. Diego Martínez C., Ing. Fernando Iván Arévalo, Ing. Carlos Fernando G.
PhD. Apolinar González Potes

Abstrac: This work shows the design of a measuring node that is part of a control system that regulates the speed of a motor DC in a scheme of control in network; the experimental results and of simulation allow to validate the made design. The characteristics of the levels that conform this system are considered in their totality during the phases of designing; it means, in a same representation are analyzed the retardations,the flow data and the functionality of the components of the same one, allowing to diminish the difference between the experimental results and the results of simulation. The procedure of used design is the result of integrating several techniques and methodologies to specify and to design realtime systems, which allow to use the advantages displayed in these techniques, such as the codesign hardware - software.

Resumen: En este trabajo se presenta el diseño de un nodo medidor que hace parte de un sistema de control que regula la velocidad de un motor DC en un esquema de control en red; los resultados experimentales y de simulación permiten validar el diseño realizado. Las características de los niveles que conforman este sistema son consideradas en su totalidad durante las fases de diseño; es decir, en una misma representación se analizan los retardos, el flujo de datos y la funcionalidad de los componentes del mismo,permitiendo disminuir la diferencia entre los resultados experimentales y los resultados de simulación. El procedimiento de diseño utilizado es el resultado de integrar varias técnicas y metodologías para especificar y diseñar sistemas de tiempo real, lo cual permite utilizar las ventajas presentadas en estas técnicas, tales como el codiseño hardware – software.

Keywords: Distributed Control Systems, Real Time, Embedded Systems, Hardware-Software Codesign, Colored Petri Nets.