Examinando por Materia "SISTEMAS DE CONTROL LINEALES"
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- Artículo de Publicación PeriódicaA method for reducing implementation complexity in linear parameter-varying controllers(2022-12) Bianchi, Fernando D.; Sánchez-Peña, Ricardo"Gain-scheduling is a popular control technique to deal with nonlinear and time varying systems. The linear parameter-varying (LPV) system approach offers systematic tools to design gain-scheduled controllers. However, the implementation of these controllers might demand complex mathematical operations to be performed in real-time. This limits the hardware and the applications in which LPV controllers can be used. In this article, we analyze these limitations and propose a design methodology to reduce the implementation complexity of gain-scheduled LPV controllers. The methodology is illustrated with a nonlinear bicycle model used in electric vehicle control."
- Artículo de Publicación PeriódicaA novel design approach for switched LPV controllers(2022-07-22) Bianchi, Fernando D.; Sánchez-Peña, Ricardo"A novel design procedure for switched linear parameter-varying (LPV) controller is proposed. The new procedure, based on the Youla parameterisation ideas, decomposes the controller design into two steps. One focuses on ensuring global stability and the other on fulfilling the local performance specifications. This scheme allows the design of each local controller independently of each other, which may achieve higher performance without compromising the global stability and also simplifies the synthesis and the implementation of the local controllers. Any standard LPV synthesis procedure can be used to design these controllers. On the other hand, the stability during switching is ensured with convex constraints and no restrictions are imposed on the switching among controllers. The use of the proposed procedure is illustrated with an active magnetic bearing example."
- Ponencia en CongresoSynthesis of LEB (Linear-ellipsoidal-bounded) regulators and filters for discrete-time systems(1987) Antonini, Claudio Daniel"This work is applicable to LTI systems, described by state-variables, whose measurement errors, controls and outputs are to be bounded by upper and lower measurement noises and bounded disturbances. The methodology has been named LEB for its apllication to linear systems, whose variables are contained within Ellipsoidal sets when disturbances and noises are bounded."