Autors: Yordanova, S. T., Slavov M., Gueorguiev B.
Title: Parallel distributed compensation for improvement of level control in carbonization column for soda production
Keywords: carbonisation column, level control, parallel distributed compensation, Takagi-Sugeno-Kang plant modelling

Abstract: The liquid level control is essential in many production installations but the classic approaches often fail to ensure the desired performance. The reasons are the plant nonlinearity, the level oscillations and the plant model uncertainties. The aim of the present investigation is to improve the existing linear control of the level in the carbonisation columns for soda ash production by employing fuzzy logic using parallel distributed compensation (PDC). The design of the PDC is based on a nonlinear Takagi- Sugeno-Kang (TSK) plant model which is derived via genetic algorithms optimization and validated using the data from the real time linear level control. The PDC control performs soft blending of the outputs of several parallel local linear controllers each developed for the local linear plant of the TSK model. The fuzzy rules are represented by ordinary logics conditions to enable the PDC programming and use by an industrial programmable logic controller.

References

    Issue

    Control Eng. Practice, vol. 71, pp. 53-60, 2018, United Kingdom,

    Цитирания (Citation/s):
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    Вид: статия в списание, публикация в издание с импакт фактор