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Communication Dans Un Congrès Année : 2022

Quasi-LPV Modeling of Guided Projectile Pitch Dynamics through State Transformation Technique

Résumé

In this paper, we develop a reliable Linear Parameter-Varying (LPV) model of the pitch channel dynamics of a fin-stabilized projectile. Among the available LPV design approaches, the State Transformation is analyzed, being particularly suitable for a class of systems defined as output nonlinear, and compatible with the projectile dynamics formulation. The State Transformation provides a quasi-LPV representation, which corresponds to an exact transformation of the original nonlinear model, preserving relevant couplings that are usually lost through the classical approximation methods. Some important considerations regarding the limitations of this approach are also discussed and verified in the missile dynamics. The accuracy of the obtained quasi-LPV model is assessed by means of open-loop simulations, comparing the performance to the original nonlinear model at selected flight conditions.
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Dates et versions

hal-03690075 , version 1 (07-06-2022)

Identifiants

Citer

Gian Marco Vinco, Spilios Theodoulis, Olivier Sename, Guillaume Strub. Quasi-LPV Modeling of Guided Projectile Pitch Dynamics through State Transformation Technique. Joint 8th IFAC Symposium on System Structure and Control, 17th IFAC Workshop on Time Delay Systems, 5th IFAC Workshop on Linear Parameter Varying Systems, Sep 2022, Montreal, Canada. ⟨10.1016/j.ifacol.2022.11.288⟩. ⟨hal-03690075⟩
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