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The prediction of asphalt pavement permanent deformation by T-GM(1,2) dynamic model

机译:T-GM(1,2)动力学模型预测沥青路面永久变形

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摘要

In this article, we propose a prediction model of asphalt pavement permanent deformation based on improved grey prediction model. This improved prediction model combines the first-order two variables grey differential equation model (abbreviated as GM(1,2) model) from grey system theory and Taylor approximation method from approximation optimisation theory. We abbreviate the combined model as T-GM(1,2) model. The combined model can obtain the most optimal predicted value by multiple approximate calculation. We validated the effectiveness of T-GM(1,2) model, through using the measured data of deformation depth obtained from the wheel tracking device test. The experimental result showed that the T-GM(1,2) model has high predictable power for asphalt pavement permanent deformation.
机译:在本文中,我们提出了一种基于改进的灰色预测模型的沥青路面永久变形预测模型。该改进的预测模型结合了基于灰色系统理论的一阶二变量灰色微分方程模型(缩写为GM(1,2)模型)和来自近似优化理论的泰勒近似方法。我们将组合模型简称为T-GM(1,2)模型。组合模型可以通过多次近似计算获得最佳的预测值。通过使用从车轮跟踪装置测试获得的变形深度的测量数据,我们验证了T-GM(1,2)模型的有效性。实验结果表明,T-GM(1,2)模型对沥青路面永久变形具有较高的预测能力。

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