Béla Takarics

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A model order reduction method is proposed for models of aeroservoelastic vehicles in the linear parameter-varying (LPV) systems framework, based on state space interpolation of modal forms. The dynamic order of such models is usually too large for control synthesis and implementation since they combine rigid body dynamics, structural dynamics and unsteady(More)
The paper considers a general approach for gain scheduling of Lipschitz continuous nonlinear systems. The approach is based on a linear parameter varying system (LPV) representation of the nonlinear dynamics along with integral quadratic constraints (IQC) to account for the linearization errors. Past results have shown that Jacobian linearization leads to(More)
Active stabilisation of the 2 and 3 degrees-of-freedom (DoF) aeroelastic wind sections with structural nonlinearities led to various control solutions in the recent years. The paper proposes a control design strategy to stabilise the 3 Dof aeroelastic model. It is assumed that the aeroelastic model has uncertain parameters in the trailing edge dynamics and(More)
  • Béla Takarics
  • 2012 IEEE 10th International Symposium on Applied…
  • 2012
The main contribution of this paper is a new sliding mode design methodology for nonlinear systems, which utilizes the Parallel Distributed Compensation based multi-objective LMI control design for Takagi-Sugeno type polytopic representations of qLPV models. It is partially extension and combination of the classical optimal manifold design for linear (or(More)
This paper presents an overview of Dr. Gary Balas research activities in linear, parametervarying (LPV) systems applied to aeroservoelastic (ASE) aircraft. More efficient aircraft can be designed by reducing weight and structure in the wings and fuselage. This makes the aircraft more flexible leading to increased ASE effects. Such ASE aircraft can be(More)
This paper presents TP (Tensor Product) model type polytopic decomposition of the qLPV state space dynamic model of the proportional valve driven pneumatic cylinder with friction phenomena taken into account. First the qLPV model of the system is presented. Then the TP model transformation on the qLPV model is executed in order to obtain CNO (close to(More)
Various approaches to control aeroelastic wing section with structural nonlinearity emerged in the last years. One of the approaches is based on the Tensor Product (TP) model transformation and the feasibility test of linear matrix inequalities (LMIs) under the Parallel Distributed Compensation framework. The main contribution of this paper is that it(More)
The paper investigates the possibility of the Tensor Product (TP) type polytopic modelling of the quasi Linear Parameter Varying (qLPV) model formulation of the Bergman minimal model with the aim to fit the model to the modern polytopic and Linear Matrix Inequality (LMI) based control design methodologies. The paper proofs that the Higher Order Singular(More)