Estrategias para compensar no linealidades generadas por válvulas en lazos de control de flujo

Rafael E. Vásquez, Fabio Castrillón

    Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

    2 Citas (Scopus)

    Resumen

    In this work, different strategies to compensate nonlinearities generated by valves in flow control loops were compared. The identification for an incompressible flow process was made through a plant test and a computer control system was developed. In this system a PI linear controller and four different compensation strategies were implemented using LabVIEW™. The comparison was made using the integral of the absolute value of the error, settling time and overshoot as performance indexes. The compared strategies allowed improving the performance of the linear controller in the actuator saturation zone. In conclusion, using these algorithms can be considered to replace elements as self-tuning controllers or nonlinear positioners that raise the inversion and maintenance costs of the plant.

    Título traducido de la contribuciónStrategies to compensate non-linearities generated by valves in flow control loops
    Idioma originalEspañol
    Páginas (desde-hasta)161-168
    Número de páginas8
    PublicaciónInformacion Tecnologica
    Volumen18
    N.º1
    EstadoPublicada - 2007

    Palabras clave

    • Computer controlled systems
    • Control valves
    • Flow control
    • Linear control
    • Nonlinear control

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