Implementation of synchronized chaotic Lü systems and its application in secure communication using PSO-based PI controller

Jen Fuh Chang, Teh-Lu Liao, Jun Juh Yan, Hsin Chieh Chen

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

This paper investigates the synchronization of chaotic systems and its application in secure communication. First, a particle swarm optimization (PSO)-based proportional-integral (PI) controller is proposed for synchronization of general chaotic systems. By using the PSO algorithm, optimal control gains in PI controller are derived such that a performance index of integrated squared error (ISE) is as minimal as possible and synchronization can be achieved. Then a chaotic secure communication system based on synchronized coupled Lü systems is implemented using basic electronic components. Finally, both simulation results and the experimental results demonstrate the proposed PSO-based PI scheme's success in the secure communication application.

Original languageEnglish
Pages (from-to)527-538
Number of pages12
JournalCircuits, Systems, and Signal Processing
Volume29
Issue number3
DOIs
Publication statusPublished - 2010 Jun 1

Fingerprint

L-system
Secure Communication
Particle swarm optimization (PSO)
Particle Swarm Optimization
Synchronization
Chaotic systems
Directly proportional
Controller
Chaotic System
Controllers
Integrated Squared Error
Gain control
Performance Index
Particle Swarm Optimization Algorithm
Communication Systems
Communication systems
Optimal Control
Electronics
Experimental Results
Demonstrate

All Science Journal Classification (ASJC) codes

  • Signal Processing
  • Applied Mathematics

Cite this

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Implementation of synchronized chaotic Lü systems and its application in secure communication using PSO-based PI controller. / Chang, Jen Fuh; Liao, Teh-Lu; Yan, Jun Juh; Chen, Hsin Chieh.

In: Circuits, Systems, and Signal Processing, Vol. 29, No. 3, 01.06.2010, p. 527-538.

Research output: Contribution to journalArticle

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