Coupled tanks system temperature control using finite automata
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Universidad Santo Tomás. Seccional Bucaramanga
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En este trabajo se realizó, el modelado y diseño del sistema de control de la variable temperatura, en un tanque de almacenamiento de agua. Teniendo en cuenta la arquitectura híbrida del sistema (relación de la dinámica continua y la dinámica a través de eventos), para esto fue utilizado autómatas finitos como herramienta de modelado y control. Inicialmente se obtuvo el modelo matemático, que corresponde a la dinámica continua, de la variable de temperatura del líquido que se encuentra en el tanque, agua. Por otro lado, para modelar el comportamiento de las variables que responden en función de eventos, se tomó en cuenta los posibles estados del sistema. Posteriormente, se establecieron los requerimientos y restricciones del sistema que surgieron a partir del análisis, los cuales complementan el comportamiento de la misma, se obtuvo la representación del proceso y su control, en un concepto de dinámica hibrida, mediante autómatas finitos. Este modelo se simuló con la herramienta StateFlow de Simulink de MATLAB® y se implementó en un sistema embebido Cyclone II. Previo a estos resultados, se realizó un controlador tipo PID para realizar la comparación de los comportamientos obtenidos en cada caso. Se verificó que es una técnica de fácil uso e implementación con gran eficiencia en tiempos de respuesta.
This work was performed, modeling and control system design variable temperature in a water storage tank. Given the hybrid architecture of the system (ratio of continuous dynamics and the dynamics through events), was used finite automata as a tool for modeling and control. Initially, the mathematical model was obtained, which corresponds to the continuous dynamic, variable temperature liquid in the tank, which in this case is water. This model is described by differential equations. On the other hand, for model the behavior of the variables that respond in terms of events was taken into account the possible states of the system. However, the development requirements and restrictions system that emerged from the analysis, which complement the analysis of the same, obtaining the representation of the process and control, a dynamic hybrid concept, using automata finite. This model was simulated with Stateflow tool of MATLAB ® Simulink and implemented in a Cyclone II embedded system. Prior to these results, we performed a PID controller for the comparison of the behavior obtained in each case. Verifying that the technique is easy to use and implement with high efficiency in response times.
This work was performed, modeling and control system design variable temperature in a water storage tank. Given the hybrid architecture of the system (ratio of continuous dynamics and the dynamics through events), was used finite automata as a tool for modeling and control. Initially, the mathematical model was obtained, which corresponds to the continuous dynamic, variable temperature liquid in the tank, which in this case is water. This model is described by differential equations. On the other hand, for model the behavior of the variables that respond in terms of events was taken into account the possible states of the system. However, the development requirements and restrictions system that emerged from the analysis, which complement the analysis of the same, obtaining the representation of the process and control, a dynamic hybrid concept, using automata finite. This model was simulated with Stateflow tool of MATLAB ® Simulink and implemented in a Cyclone II embedded system. Prior to these results, we performed a PID controller for the comparison of the behavior obtained in each case. Verifying that the technique is easy to use and implement with high efficiency in response times.
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Finite automaton, Hybrid systems, Embedded system, Autómata finito, Sistema híbrido, Sistema embebido
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