Study on an Improved Generalized Predictive Control Algorithm in 660MW Generating Unit

Tong Xiang He; Yao Du

doi:10.4028/www.scientific.net/AMM.420.381

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 420Study on an Improved Generalized Predictive...

Study on an Improved Generalized Predictive Control Algorithm in 660MW Generating Unit

Abstract:

In this paper, the generalized predictive control algorithm with measurable external disturbances (FF-GPC) is deduced. On this basis, in view of the shortcoming of GPC algorithm that the overshooting is large in some degree with large lag and delay process, an improved generalized predictive control algorithm (FF-IGPC) is proposed. Based on the concept of multi-step "quasi-optimal prediction", the new algorithm puts forward an improvement for the reference trajectory. Taking 660MW coal-fired generating unit as controlled object, the FF-GPC and FF-IGPC algorithm are simulated. The results verified the feasibility of the FF-GPC algorithm, and the good control performances of the FF-IGPC algorithm.

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Periodical:

Applied Mechanics and Materials (Volume 420)

Pages:

381-386

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.420.381

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Online since:

September 2013

Authors:

Tong Xiang He, Yao Du

Keywords:

Algorithm Improvement, Generalized Predictive Control, Generating Unit, Simulation

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