Piroska Ailer

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Background. Gas turbines are highly nonlinear systems, where the widely applied linear controllers based on locally linearized models are of limited use. Method of approach. A simple nonlinear dynamic model is developed that is in a quasi-polynomial form. Nonlinear stability and zero dynamics analysis is applied to find a controller structure for(More)
A simple nonlinear controller for a low-power gas turbine based on direct passivation is proposed in this paper. It uses a nonlinear state space model of the gas turbine in inputaffine form based on first engineering principles. It is found by standard nonlinear analysis that the developed model is reachable and observable in the whole application domain(More)
A constrained linear optimal control for a low-power industrial gas turbine based on input-output linearization is proposed in this paper. It uses a nonlinear state space model of the gas turbine in input-affine form based on first engineering principles. According to the control aims the nonlinear model is input-output linearized and an LQ servo controller(More)
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