Abstract
Linear parameter varying (LPV) system based gain scheduling design is applied to a nonlinear jet engine model. A major shortcoming of LPV based gain scheduling techniques is the transformation step of the nonlinear system into an LPV system. It is crucial to have an accurate LPV model to design a controller meeting the performance specifications. Here, the nonlinear model is transformed into an LPV system using velocity based linearization. The derived state feedback controller has, under the assumption of a correct transformation, a guaranteed L/sub 2/ performance for the considered operating range. The performance of the controller is illustrated by simulations of the closed loop system.
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