On the Use of Second-Order Modifiers for Real-Time Optimization

We consider the real-time optimization of static plants and propose a generalized version of the modifier-adaptation strategy that relies on second-order adaptation of the cost and constraint functions. We show that second-order adaptation allows checking whether a (local) plant optimum is reached upon convergence. A sufficient convergence condition that is applicable to first- and second-order modifier-adaptation schemes is proposed. We also discuss how second-order updates can lead to SQP-like model-free RTO schemes. The approach is illustrated via the simulated example of a continuous reactor.


Published in:
Proceedings of the 19th IFAC World Congress
Presented at:
The 19th World Congress of the International Federation of Automatic Control, Cape Town, South Africa, August 24-29, 2014
Year:
2014
Keywords:
Laboratories:




 Record created 2013-11-13, last modified 2018-09-13

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