EP-based PID control design for chaotic synchronization with application in secure communication

Authors:
Hsin-Chieh Chen;Jen-Fuh Chang;Jun-Juh Yan;Teh-Lu Liao
Affiliations:
Department of Engineering Science, National Cheng Kung University, Tainan, 70101 Taiwan, ROC;Department of Computer and Communication, Shu Te University, Yen Chau, Kaosiung County, 82445 Taiwan, ROC;Department of Computer and Communication, Shu Te University, Yen Chau, Kaosiung County, 82445 Taiwan, ROC;Department of Engineering Science, National Cheng Kung University, Tainan, 70101 Taiwan, ROC
Venue:
Expert Systems with Applications: An International Journal
Year:
2008

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Abstract

In this paper, the evolutionary programming (EP)-based proportional-integral-derivative (PID) control design is presented for synchronization of chaotic systems with application in secure communication. A PID controller is developed via the EP algorithm. By using the EP algorithm, optimal control gains in PID controlled chaotic systems are derived such that a performance index of integrated absolute error (IAE) is as minimal as possible. Moreover, as an application, the proposed EP-based PID control scheme is then applied to a chaotic secure communication system. To verify the system performance, basic electronic components containing OPA, resistor and capacitor elements are used to implement the proposed PID-based chaotic secure communication system. Finally, both simulation results and the circuit experiments demonstrate the proposed PID scheme's success in the communication application.