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Título del libro: Proceedings Of The 2006 International Workshop On Variable Structure Systems, Vss'06
Título del capítulo: Observation and identification of mechanical systems via second order sliding modes

Autores UNAM:
JORGE ANGEL DAVILA MONTOYA; LEONID FRIDMAN;
Autores externos:

Idioma:

Año de publicación:
2006
Palabras clave:

Algorithms; Identification (control systems); Least squares approximations; Perturbation techniques; Sliding mode control; Time varying control systems; Finite time observation; Mechanical systems; Second order sliding modes; Time-invariant parameters; Control system analysis


Resumen:

A second-order sliding-mode observer based on the modified super-twisting algorithm providing finite time observation is applied for system identification. The value of the equivalent output injection is used to identify perturbations directly. Continuous time versions of Least Square and Forgetting Factor Methods are proposed to identify unknown time-invariant and time-variant parameters respectively. © 2006 IEEE.


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