Universal prediction-based adaptive fault estimator applied to secure communication

Jason Sheng Hong Tsai, Wen Teng Hsu, Chao Lung Wei, Shu Mei Guo, Leang San Shieh

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

In this paper, a communication scheme that could use a nonlinear dynamical system to create encrypted keys with an additional dimension is proposed, and the scheme could keep encrypted keys not to diverge. Since the divergence of encrypted keys (nonlinear signals) easily happens in non-linear systems coupled with other systems, the adaptive control approach, proposed in this paper, uses the universal state-space adaptive observer-based fault diagnosis/estimator and the high-performance tracker to eliminate the divergence of encrypted keys. At the same time, the receiver of communication retrieves informal messages by the universal state-space adaptive observer-based fault diagnosis/estimator and the high-performance tracker. Thus, this paper takes advantage of the merit of digital redesign methodology for a practical implementation of secure-communication, and the estimator solves the problem of secure communication. Thus developed a new approach could add more dimensions into nonlinear secure-communication systems without having the problem of divergence of encrypted keys.

Original languageEnglish
Pages (from-to)4717-4732
Number of pages16
JournalApplied Mathematical Modelling
Volume38
Issue number19-20
DOIs
Publication statusPublished - 2014

All Science Journal Classification (ASJC) codes

  • Modelling and Simulation
  • Applied Mathematics

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