Multi-variable time-delayed discrete grey model

被引:0
|
作者
Ding S. [1 ]
Dang Y.-G. [1 ]
Xu N. [2 ]
Wei L. [1 ]
Ye J. [1 ]
机构
[1] College of Economics and Management, Nanjing University of Aeronautics and Astronautics, Nanjing
[2] College of Management Science and Engineering, Nanjing Audit University, Nanjing
来源
Ding, Song (dingsong1129@163.com) | 1997年 / Northeast University卷 / 32期
关键词
Forecasting; Grey system; Multi-variables; Time delay;
D O I
10.13195/j.kzyjc.2016.1022
中图分类号
学科分类号
摘要
For the problems of undefined time-delayed mechanism and low accuracy of multi-variable grey models, the deficiency of traditional multi-variable grey model is analyzed and a new multi-variable discrete grey model is proposed by introducing the time-delay coefficient. Then the methods of calculating the parameters are discussed. According to the sufficient and insufficient information about the time-delay coefficient, empirical analysis and particle swarm optimization algorithms are used to explore the estimation of time-delay coefficient, and the modeling procedure is proposed. Finally, the effectiveness of the proposed model is verified by the numerical simulation and actual examples. Results show that the propoved model can the forecasting problems on the multi-variable time-delayed system with small sample data. © 2017, Editorial Office of Control and Decision. All right reserved.
引用
收藏
页码:1997 / 2004
页数:7
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