Global Stability Lobes of Turning Processes with State-Dependent Delay

Date

2012-09-13

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Publisher

SIAM

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Abstract

We obtain global stability lobes of two models of turning processes with inherit nonsmoothness due to the presence of state-dependent delays. In the process, we transform the models with state-dependent delays into systems of differential equations with both discrete and distributed delays and develop a procedure to determine analytically the global stability regions with respect to parameters. We find that the spindle speed control strategy that we investigated in [SIAM J. Appl. Math., 72 (2012), pp. 1–24] can provide essential improvement on the stability of turning processes with state-dependent delay, and furthermore we show the existence of a proper subset of the stability region which is independent of system damping. Numerical simulations are presented to illustrate the general results..

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Keywords

Turning processes, State dependent delay

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Rights

©2012 Society for Industrial and Applied Mathematics

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