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Published on: May 8, 2021
A new scheme to generalized (lag, anticipated, and complete) synchronization in chaotic and hyperchaotic systems
1Key Laboratory of Mathematics Mechanization, Institute of Systems Science, AMSS, Chinese Academy of Sciences, Beijing 100080, People's Republic of China. zyyan@mmrc.iss.ac.cn
This study introduces a novel active control scheme for generalized synchronization (including lag, anticipated, and complete synchronization) in continuous-time systems. The method is validated using hyperchaotic systems, demonstrating its effectiveness for diverse dynamical systems.
Area of Science:
- Nonlinear Dynamics
- Control Theory
- Chaos Theory
Background:
- Synchronization is a key phenomenon in coupled dynamical systems.
- Generalized synchronization encompasses lag, anticipated, and complete synchronization.
- Existing methods may lack a systematic approach for diverse systems.
Purpose of the Study:
- To define and investigate generalized synchronization in continuous-time systems.
- To develop a concrete and powerful active control scheme for achieving generalized synchronization.
- To demonstrate the scheme's applicability across various chaotic systems.
Main Methods:
- Definition of generalized (lag, anticipated, and complete) synchronization.
- Development of an active control strategy based on the drive-response concept.
- Application to hyperchaotic Rössler, transformed Rössler and Chen systems, and coupled Rössler oscillators.
- Validation through numerical simulations.
Main Results:
- A systematic active control scheme for generalized synchronization is proposed.
- The scheme successfully achieves generalized synchronization in the tested hyperchaotic and coupled systems.
- Effectiveness is verified via numerical simulations, confirming the scheme's robustness.
Conclusions:
- The proposed active control scheme provides a powerful tool for investigating generalized synchronization.
- The method is effective for a range of continuous-time dynamical systems, including chaotic ones.
- The scheme offers potential for extension to other complex dynamical systems.
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