Journal
OPTIK
Volume 157, Issue -, Pages 43-55Publisher
ELSEVIER GMBH
DOI: 10.1016/j.ijleo.2017.09.057
Keywords
Chaos synchronization; Secure communication; Information hiding; Parameter identification; Finite time stable
Categories
Funding
- Youth Foundation of Naval Aeronautical and Astronautical University of China
- National Nature Science Foundation of Shandong Province of China [ZR2012FQ010]
- National Nature Science Foundations of China [6117403161004002, 61102167]
- Aviation Science Foundation of China [20110184]
- China Postdoctoral Foundation [20110490266]
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Synchronization of chaotic system is useful in information hiding and secure communication. The convergence time of chaotic synchronization is a key factor that will affect its application in message recovery. A special principle of constructing a finite time stable system was proposed to realized the finite time control and synchronization of chaotic PMSM system. After that, a kind of hybrid constructing method was proposed by integrating a common stable system and finite time stable system. Also parameter identification problem was studied, and the use of error information of parameter was avoided to construct a safe scheme for information hiding and recovery. At last, detailed numerical simulation result were done to testify the rightness of all proposed new theorems and new methods. (C) 2017 Elsevier GmbH. All rights reserved.
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