Parameter optimization for compaction system of vibration screed of asphalt payer based on multi-objective genetic algorithm

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Journal of Vibration and Shock ›› 2017, Vol. 36 ›› Issue (12) : 230-235.

JIA Jie WAN Yi-pin LIU Hong-hai

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Abstract

In order to reduce the impact of vibrator vibration on working stability of screed and improve the compactness and roughness of mixture at the bottom of screed, a 7-degree freedom multi-objective optimization model was established. Based on the model, natural frequencies and dynamic responses of the screed were obtained by the dynamic response analysis. Besides, multi-objective genetic algorithm was used to optimize structure parameters and process parameters of the vibration compaction system. The optimal solution set of the compaction system parameters and dynamic response law of vibration screed were determined. The calculation and analysis above may have a certain guiding significance for preventing the screed from working on resonance region and for keeping the large dynamic loads under restraint, which can be applied to design of screed and construction of paver.

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mechanical engineering / paver / vibration compaction system / multi-objective optimization / genetic algorithm

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JIA Jie WAN Yi-pin LIU Hong-hai. Parameter optimization for compaction system of vibration screed of asphalt payer based on multi-objective genetic algorithm[J]. Journal of Vibration and Shock, 2017, 36(12): 230-235

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