A family of hyperchaotic systems with four-wing attractors
Hu Guo-Si
烟台大学光电学院，烟台 264005；同济大学电信学院，上海 201804
Abstract It is easy to construct a hyperchaotic system，and many systematic approaches，based on Chua system，can be used for generating multi-scroll attractors. However, few reports discuss the smooth Lorenz-like system with multi-wing attractors，and the attractors with both hyperchaotic dynamics and multi-wing topological structure are seldom reported. Based on the existing smooth hyperchaotic system，the common characteristics of these systems are analyzed. A novel coordination transformation method is used for converting all the attractors' topological structure from two-wing to four-wing. Moreover，the hyperchaotic property is preserved in resulting system，the complexity of attractors is enhanced，and they are more suitable to be used in secure encryption communication.
Key words ：
multi-scroll attractors
multi-wing attractors
hyperchaotic system
Received: 2008-09-30
Published: 2009-06-20
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2009, Vol. 58 
