灰色GM(1,1)模型优化研究进展综述

Survey on Gray GM(1,1) Model

灰色预测技术是灰色系统理论的重要分支之一。分别从灰生成技术、边值条件的改进、背景值的改进、模型参数估计方法改进、残差序列的优化、综合优化6个方面对近年来灰色预测模型中的GM(1,1)模型优化研究现状进行了比较全面的介绍,同时也对灰色GM(1,1)预测模型未来的发展方向提出了一些建议。

Grey prediction is an important branch of the grey system theory.Six aspects for the optimization research of GM(1,1) model in recent years are given more comprehensive introduction.They are the technology of grey generating,improvement of initial value,methodology improvement of background value,parameters optimization,residual sequence optimization and comprehensive optimization,meanwhile some suggestions are given for the future study of grey prediction models.