Abstract
In this paper, a minimax design of damped dynamic vibration absorber for a damped primary system is investigated to minimize the vibration magnitude peaks. Moreover, to reduce the sensitivity of the primary system response to variations of the forcing frequency for a two-degree-of-freedom system, the primary system should have two equal resonance magnitude peaks. To meet this requirement, a set of simplified constraint equations including distribution characteristics of the resonant frequencies of the primary system is established for the minimax objective function. The modified constraint equations have less unknown variables than those by other authors, which not only simplifies the computation but also improves the accuracy of the optimal values. The advantage of the proposed method is illustrated through numerical simulations.
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The project was supported by the National Natural Science Foundation of China (11072014 and 11172018).
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Fang, J., Wang, SM. & Wang, Q. Optimal design of vibration absorber using minimax criterion with simplified constraints. Acta Mech Sin 28, 848–853 (2012). https://doi.org/10.1007/s10409-012-0085-8
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DOI: https://doi.org/10.1007/s10409-012-0085-8