Weighted multi-point grey model and its application to high rock slope deformation forecast

HE Xi-ping; HUA Xi-sheng; HE Xiu-feng

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Weighted multi-point grey model and its application to high rock slope deformation forecast

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- Weighted multi-point grey model and its application to high rock slope deformation forecast
- Vol. 28, Issue 6, (2007)
- 作者机构：
  
  1. 河海大学土木工程学院,南京,210098
  2. 南昌工程学院水利系,南昌,330029
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU413
- Online First：13 September 2013，
  
  Published：2007
- 稿件说明：
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HE Xi-ping, HUA Xi-sheng, HE Xiu-feng. Weighted multi-point grey model and its application to high rock slope deformation forecast[J]. 2007, 28(6).
DOI：

HE Xi-ping, HUA Xi-sheng, HE Xiu-feng. Weighted multi-point grey model and its application to high rock slope deformation forecast[J]. 2007, 28(6). DOI：

摘要

边坡变形是一个复杂的系统过程，单点模型GM(1

1)不能考虑各变形监测点间的相关性。针对单点模型背景值取值方法的不足，提出一种动态定权方法，建立加权多点灰色预测模型(即WM-GM(1

1 )模型)。利用Matlab语言编写了程序，实例计算表明，WM-GM(1

1 )模型预测精度高。

Abstract

Slope deformation is a complex systematic process. Single point model named GM(1

1) can’t consider correlation of the deformation between the discrete monitoring points. The method of determining dynamic weight is presented; and the new weighted multi-point grey model named WM-GM(1

1) forecasting the slope deformation is established by analyzing the shortcoming of GM(1

1) which can’t acquire the appropriate background value. A case study based on the Matlab program shows that the forecast result of WM-GM(1

1) is more precise than that of the GM(1.1).

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