The European Physical Journal Special Topics

, Volume 223, Issue 8, pp 1541–1548 | Cite as

Nonlinear observer for synchronization of chaotic systems with application to secure data transmission

  • Ricardo Aguilar-LópezEmail author
  • Rafael Martínez-GuerraEmail author
  • Claudia A. Perez-Pinacho
Regular Article Synchronization of Systems and Networks for Communication
Part of the following topical collections:
  1. Chaos, Cryptography and Communications


The main issue of this work is related with the design of a class of nonlinear observer in order to synchronize chaotic dynamical systems in a master-slave scheme, considering different initial conditions. The oscillator of Chen is proposed as a benchmark model and a bounded-type observer is proposed to reach synchronicity between both two chaotic systems. The proposed observer contains a proportional and sigmoid form of a bounded function of the synchronization error in order to provide asymptotic synchronization with a satisfactory performance. Some numerical simulations were carrying out in order to show the operation of the proposed methodology, with possible applications to secure data communications issues.


Chaotic System European Physical Journal Special Topic Chaotic Attractor Lorenz System Synchronization Error 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© EDP Sciences and Springer 2014

Authors and Affiliations

  1. 1.Department of Biotechnology and Bioengineering CINVESTAV-IPNMexico D.F.Mexico
  2. 2.Department of Automatic Control CINVESTAV-IPNMexico D.F.Mexico

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