Optimal generalized predictive functional control with applications to extended PID control for quadruple tank

Alotaibi, Sultan and Grimble, Michael (2019) Optimal generalized predictive functional control with applications to extended PID control for quadruple tank. In: 25th International Conference on Automation and Computing (ICAC). IEEE, GBR. ISBN 9781728125183

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    Abstract

    Algorithm of optimal Generalized Predictive Functional Control is presented towards the control problem of linear discrete-time state-space multivariable systems. A quadruple tank system is simulated to demonstrate typical results. The proposed controller has been structured in a reduced order arrangement including a set of specified linear transfer-functions along with gains that are found to minimize a GPC cost-index. This approach enables a range of classical controller structures to be used in the feedback loop such as extended PI, PID or Lead-lag or a more general transfer function form. A MATLAB simulation was used to test the performance of the restricted structure controller for regulation and tracking problems and was compared against a classical PI Controller.