P. Ailer, G. Szederknyi, and K.M. Hangos (Hungary)
Modelling, Estimation, Power Systems, Gas Turbines
The method and results of model calibration, i.e. parameter estimation and model validation of a low-power gas turbine is reported in this paper. A three dimension simplified nonlinear state space model has been constructed from first engineering principles for nonlinear analysis and controller design. Sensitivity analysis has been performed with respect to the slowly time varying unknown parameters to investigate the effect of their changes on the model output. The model parameters affecting the dynamic response were determined from experiments using nonlinear parameter estimation methods. The calibrated and validated model shows good dynamic agreement with the experimental data and drives the problem statement of the controller design.
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