Unequal Interval GM(1,1) Model of Weighted Coefficient Adjustment and Its Application

被引：0

作者：

Zeng, Bin ^{[1
]}

Li, Linfang ^{[1
]}

机构：

[1] Hunan Univ Arts & Sci, Dept Mech Engn, Changde, Peoples R China

来源：

ADVANCED RESEARCH ON INFORMATION SCIENCE, AUTOMATION AND MATERIAL SYSTEM, PTS 1-6 | 2011年 / 219-220卷

关键词：

Difference quotient method; weighted coefficient; background values;

D O I：

10.4028/www.scientific.net/AMR.219-220.428

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Although the grey forecasting model has been successfully adopted in various fields and has been demonstrated prospected aspect. The paper makes the original data multiply the time interval to get the accumulated sequence and uses the difference quotient method to establish the unequal interval GM(1,1) model. In order to reduce the error the paper adopts the weighted coefficient to revise the background values. By fitting and predicting the fatigue strength data it proves the method in the paper is effective which improves the accuracy of the model. It provides an effective way for the grey system application.

引用

页码：428 / 431

页数：4

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