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[2, 2014] 

Journal of Electrical Engineering, Vol 65, 2 (2014) 116-120 DOI: 10.2478/jee-2014-0017

GAIN-SCHEDULED CONTROLLER DESIGN: VARIABLE WEIGHTING APPROACH

Adrian Ilka – Vojtech Veselư

   Among the most popular approaches to non-linear control is gain-scheduled (GS) controller, which can have better performance than robust and other ones. Our approach is based on a consideration that in linear parameter varying (LPV) system, scheduling parameters and their derivatives with respect to time are supposed to lie in a priori given hyper rectangles. To access the performance quality a new quadratic cost function is used, where weighting matrices are time varying depends on scheduled parameter. The class of control structure includes decentralised fixed order output feedbacks like PID controller. Numerical examples illustrate the effectiveness of the proposed approach.

Keywords: gain-scheduled control, decentralised control, Lyapunov function, quadratic cost function, MIMO LPV systems, PID controller


[full-paper]


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