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Active Vibration Isolation Via Nonlinear Velocity Time-Delayed Feedback

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Transactions on Engineering Technologies

Abstract

This paper combines cubic nonlinearity and time delay to improve the performance of vibration isolation. By the multi-scale perturbation method, the average autonomous equations are first found to analyse local stability. Then with the purpose of obtaining the desirable vibration isolation performance, stability conditions are obtained to find appropriate the feedback parameters including gain and time delay. Last, the influence of the feedback parameters on vibration transmissibility is assessed. Results show that the strategy developed in this paper is practicable and feedback parameters are significant factors to alter dynamics behaviours, and more importantly, to improve the isolation effectiveness for the bilinear isolation system.

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Correspondence to Qian Chen .

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© 2014 Springer Science+Business Media Dordrecht

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Gao, X., Chen, Q. (2014). Active Vibration Isolation Via Nonlinear Velocity Time-Delayed Feedback. In: Yang, GC., Ao, SI., Gelman, L. (eds) Transactions on Engineering Technologies. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-8832-8_6

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  • DOI: https://doi.org/10.1007/978-94-017-8832-8_6

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  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-017-8831-1

  • Online ISBN: 978-94-017-8832-8

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