遗传算法的灰色神经网络在基坑变形中的应用Study on deformation of foundation pit based on grey neural network model of genetic algorithm
胡圣武
摘要(Abstract):
针对基坑施工安全和能够快速地发现基坑变形的问题,该文提出用遗传算法的灰色神经网络对基坑沉降观测数据进行处理,并预测变形大小。实例数据表明,通过预测变形值与实际变形值进行比较,可知遗传算法的灰色神经网络模型的收敛速度较快,训练时间较短,预测精度较高,能满足工程精度的要求。通过与GM(1,1),BP神经网络模型和灰色系统和神经网络的组合模型进行比较,本模型是最优的。
关键词(KeyWords): 遗传算法;灰色系统;BP神经网络;Matlab;基坑变形;变形值;预测值
基金项目(Foundation): 国家自然科学基金项目(41572341)
作者(Author): 胡圣武
DOI: 10.16251/j.cnki.1009-2307.2019.03.015
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