Hierarchical control and optimisation of the Tennessee Eastman process
Roberts, P. D. and Becerra, V. M. (2002) Hierarchical control and optimisation of the Tennessee Eastman process. In: 15th Triennial World Congress of the International Federation of Automatic Control (IFAC), 21-26 Jul 2002, Barcelona, Spain.
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Based on integrated system optimisation and parameter estimation a method is described for on-line steady state optimisation which compensates for model-plant mismatch and solves a non-linear optimisation problem by iterating on a linear - quadratic representation. The method requires real process derivatives which are estimated using a dynamic identification technique. The utility of the method is demonstrated using a simulation of the Tennessee Eastman benchmark chemical process.