The impact analysis of the generalized synchronization of chaos on the harden Duffing vibration isolation system&rsquo;s jump

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Journal of Vibration and Shock ›› 2015, Vol. 34 ›› Issue (14) : 106-109.

The impact analysis of the generalized synchronization of chaos on the harden Duffing vibration isolation system’s jump

LOU Jing-jun1,2，ZHANG Hui1,2，YU Xiang1,2，ZHU Shi-jian1,2

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Abstract

In order to overcome the difficulty that how to maintain the chaotic motion in the vibration isolation system(VIS), which arises from the practical implements of the chaotic technique for line spectra reduction, a parameter-driven method for generalized synchronization of chaos using an external chaotic signal to drive the harden Duffing VIS was presented to make the chaotic motion persistent in the system, and the chaotic motion was stability in a wide parameter range. Meanwhile, the effect of the jumping of the Duffing system on the generalized synchronization of chaos was analyzed, and the results showed that the initial conditions can make the system produce different chaotic attractor in the jump region, and different chaotic attractors make different effects of VIS.

Key words

Duffing system / synchronization of chaos / attractors of chaos / line spectra

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LOU Jing-jun1,2，ZHANG Hui1,2，YU Xiang1,2，ZHU Shi-jian1,2. The impact analysis of the generalized synchronization of chaos on the harden Duffing vibration isolation system’s jump[J]. Journal of Vibration and Shock, 2015, 34(14): 106-109

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