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基于最小二乘支持向量机的非饱和土的有效应力参数预测方法 被引量:3

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摘要 文章利用最小二乘支持向量机(LSSVM)模型确定非饱和土的有效应力参数。该模型以净应力、吸力、冒泡压力、饱和状态体积含水量、残余体积含水量和拟合参数λ等为输入变量,采用粒子群优化(PSO)算法设定模型参数,预测有效应力参数值,并与真实值和人工神经网络(ANN)模型预测值作比较,得出LSSVM模型具有较好的效果。通过改变LSSVM模型的输入变量结构,对六个输入变量的依赖度进行分析,印证该模型的合理性。
作者 周学君 唐轶
出处 《统计与决策》 CSSCI 北大核心 2016年第18期29-33,共5页 Statistics & Decision
基金 国家自然科学基金资助项目(61462096)
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