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With the promotion of green energy, road piezoelectric system is causing more and more people's attention. In this paper, the finite element simulation of polyvinylidene fluoride (PVDF) composites is studied. Four different types of protective measures are designed and tested on asphalt pavements. The piezoelectric output of the piezoelectric sensor is evaluated. The road piezoelectric performance of each protection measure is studied and analyzed. The experimental results show that the PVDF polymer film with length of 20 mm, width of 20 mm and thickness of 190 μm could meet the requirements of asphalt pavement power generation system. The epoxy resin encapsulation structure has better piezoelectric performance.
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