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Static Analysis and Experiment of a Nonlinear Vibration Isolator
HU Guang-jun;ZHOU Sheng-tong;LI Hong-guang
   2011, 31 (6): 69-71.   DOI: 10.3969/j.issn.1006-1355-2011.06.015
Abstract （1641）            Save
The stiffness characteristic of a nonlinear vibration isolator is studied. Based on buckling theory, the force-displacement and stiffness-displacement relationships of an oblique thin-walled beam are analyzed, and the existence of negative stiffness is discussed. A prototype of the nonlinear vibration isolator is proposed. Its high-static and low-dynamic (HSLD) stiffness characteristics are validated by mutual comparison of the theoretical and experimental results.
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《Adaptive anti-synchronization of a new hyperchaotic system》
Zhou Sheng;Tang Jia-shi
   2009, 29 (1): 14-20.   DOI: A
Abstract （1416）            Save
This paper constructs a new four-dimensional continuous autonomous hyperchaotic system. The basic dynamical behaviors of this hyperchaotic system are investigated, a circuit diagram is designed for verifying the hyperchaotic behaviors, and some simulation observations are given. Moreover, an adaptive control method and a parameter update rule for unknown parameters based on Lyapunov stability theory are introduced to achieve anti-synchronization of two systems. Finally, the numerical simulations are shown to verify the results.
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