Abstract
The investigations have shown that the auxiliary asynchronous parametric excitation ca be used to effectively suppress resonance vibrations in systems with highly nonlinear elast characteristics. Either local or wideband suppression of the resonance regime can be achieved, depending on the relation between the frequencies of the primary external and auxiliary parametric excitations (ω/ν=const or ω/ν≠const); also, the width and positions of the instability intervals can be controlled. This affords the possibility of using auxiliary parametric excitation not only to enhance the efficiency of nonlinear antivibration systems (by wideband suppression of resonance vibrations), but also for the design of fundamentally new resonance devices to monitor the frequency and amplitude of vibrations by exploiting the effect of local instability of the resonance regime.
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