时序法和灰色系统理论诊断结构裂纹的研究

程春芳; 杨松; 钱仁根; 邰卫华; 刘立

Volume 3 Issue 1

Mar. 1996

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文章导航 > 矿物冶金与材料学报（英文版） > 1996 > 3(1) : 69-74.

Cite this article as:

CHENG Chun-fang, YANG Song, QIAN Ren-gen, TAI Wei-hua, and LIU Li, TIME SERIES AND GREY MODEL DIAGNOSIS METHOD USED TO CRACK PROBLEMS, J. Univ. Sci. Technol. Beijing , 3(1996), No. 1, pp.69-74.

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时序法和灰色系统理论诊断结构裂纹的研究

北京科技大学数学力学系, 北京 100083

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- 文章访问数: 248
- HTML全文浏览量: 65
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中文摘要

通过对用于矿山机械的某材料在进行疲劳试验时,测取振动信号,利用频谱、时序方法和灰色系统理论方法对其进行研究,得出诊断裂纹的标准。

关键词:

频谱 ;
时序分析 ;
灰色理论

TIME SERIES AND GREY MODEL DIAGNOSIS METHOD USED TO CRACK PROBLEMS

Author Affilications

Department of Mathematics & Mechanics, USTB, Beijing 100083, PRC

Received: 02 December 1995;

Abstract:

In this paper,the vibration signals in the fatigue crack growth process in a chinese steel used in a mining machinery were analyzed by the frequency spectrum, the time series and grey system model,and the critical criterion for crack initiation was proposed.

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