Stabilization of sampled-data nonlinear systems via backstepping on their Euler approximate model

نویسندگان

  • Dragan Nesic
  • Andrew R. Teel
چکیده

Two integrator backstepping designs are presented for digitally controlled continuous-time plants in special form. The controller designs are based on the Euler approximate discrete-time model of the plant and the obtained control algorithms are novel. The two control laws yield, respectively, semiglobal-practical stabilization and global asymptotic stabilization of the Euler model. Both designs achieve semiglobal-practical stabilization (in the sampling period that is regarded as a design parameter) of the closed-loop sampled-data system. A simulation example illustrates that the obtained controllers may sometimes be superior to backstepping controllers based on the continuous-time plant model that are implemented digitally. 2006 Elsevier Ltd. All rights reserved.

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عنوان ژورنال:
  • Automatica

دوره 42  شماره 

صفحات  -

تاریخ انتشار 2006