A Nussbaum gain adaptive synchronization of a new hyperchaotic system with input uncertainties and unknown parameters
作者： Junwei Lei , Xinyu Wang , Yinhua Lei
DOI: 10.1016/J.CNSNS.2008.12.010
关键词: Mathematics 、 Synchronization 、 Terminal (electronics) 、 Control theory 、 Value (computer science) 、 Adaptive method 、 Sign (mathematics) 、 Modelling and Simulation 、 Applied mathematics 、 Numerical analysis
摘要: Abstract The sign of unknown input coefficients is assumed to be known in most papers about the uncertainties. In this paper, a Nussbaum gain method adopted cope with situation that both and value are unknown. And parameters can estimated under control. synchronization achieved for class hyperchaotic systems uncertainties by adopting global terminal adaptive method. conclusions made as follows: First, proposed effective Second, estimation only when number satisfied some condition no uncertainty exist systems. Third, cannot correctly common there system. But get good result parameters. At last, numerical simulations done show effectiveness
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