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SISTEMA INTEGRAL DE INFORMACIÓN ACADÉMICA - PÚBLICO
Título del libro: Ccta 2019 - 3rd Ieee Conference On Control Technology And Applications Título del capítulo: Multivariable Generalization of BMRAC Algorithm by means of Global HOSM Differentiators with Dynamic Gains
Autores UNAM: LEONID FRIDMAN;
Autores externos: Idioma: InglésAño de publicación: 2019Palabras clave:
CONTROLLER
Resumen:
This paper presents an extension of the Binary Model Reference Adaptive
Control (BMRAC) for uncertain multivariable (square) systems with
non-uniform arbitrary relative degrees, using only output feedback. The
BMRAC algorithm is a robust adaptive strategy which has the good
transient and robustness properties of sliding mode control with the
important advantage of preserving a continuous control signal free of
chattering, inherited from classical adaptive systems. Unlike most of
the publications which consider plants with uniform relative degree one,
here we circumvent the arbitrary relative degree obstacle using a
multivariable generalization of global finite-time differentiators with
dynamic gains and higher-order sliding modes. State-norm observers are
employed to obtain an upper bound for the unmeasured state and to update
the gains of the proposed robust and exact multivariable differentiator.
Global and exact output tracking is guaranteed without requiring
stringent symmetry assumptions on the plant High-Frequency Gain matrix,
usually assumed in other works in the literature.
Entidades citadas de la UNAM:
Fuente:
ISBN: 9781728127675 Editorial: Institute of Electrical and Electronics Engineers Inc.