NDLI: Stability Analysis of a Piecewise Nonlinear Vibration Isolator

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Stahl, Patrick Jazar, G. Nakhaie
Copyright Year	2005
Abstract	Many vibration isolators can be modeled with a discontinuity in the stiffness and damping coefficients. The sudden change in the values of the coefficients can be represented as a piecewise linear or nonlinear function. Soft suspensions are best for isolation; however, a nonlinear hardening suspension is required to minimize relative displacement at high amplitudes. Often, the physical design limits the relative displacement. Taking advantage of nonlinearity in the suspension is not enough in limiting the relative displacement at very high amplitude. Therefore, a secondary suspension must be involved to limit very high relative displacements. In this investigation, the averaging method was applied to the differential equation generated from the model to find the frequency response. A sensitivity analysis was performed to find regions of instability in the frequency response
Sponsorship	Design Engineering Division
Starting Page	1115
Ending Page	1123
Page Count	9
File Format	PDF
ISBN	0791842150
DOI	10.1115/IMECE2005-81856
e-ISBN	0791837696
Volume Number	Design Engineering, Parts A and B
Conference Proceedings	ASME 2005 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2005-11-05
Publisher Place	Orlando, Florida, USA
Access Restriction	Subscribed
Subject Keyword	Vibration isolation Piecewise nonlinear system Frequency response analysis Damping Sensitivity analysis Stability Vibration isolators Nonlinear vibration Displacement Design Hardening Differential equations Frequency response Stiffness Nonlinear systems
Content Type	Text
Resource Type	Article

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