钢管2026，Vol.55Issue(1)：33-37,5.DOI:10.19938/j.steelpipe.1001-2311.2026.1.33.37
Mann-Kendall法在连轧管机轧制力趋势分析中的应用
Application of the Mann-Kendall Method to Analysis of Rolling Force Trend of Mandrel Pipe Mill
杨玉祥 1王贞艳 1王清华 1胡建华2
作者信息
- 1. 太原科技大学电子信息工程学院,山西 太原 030027
- 2. 太原科技大学材料科学与工程学院,山西 太原 030027
- 折叠
摘要
Abstract
During the seamless steel tube rolling process with the mandrel mill,the rolling force,as a critical par-ameter,exhibits a variation trend that holds significant importance for analyzing rolling effect and predicting the equipment performance.The Mann-Kendall method as used for the non-parametric statistical test,does not require the sample to follow a specific distribution,and is particularly suitable for detecting abrupt changes and trend variations in time series.It is proposed here in the essay that the Mann-Kendall method can be used to identify potential abrupt changes in the rolling force time series,determine the timing of such changes,and validate the findings via actual production data.The result demonstrates that this method not only offers computational simplicity,but also enables clear identification of incre-asing or decreasing trends and potential abrupt change points in the rolling force time series,thereby providing robust support for optimizing rolling processes,enhancing equipment stability,and improving production efficiency.关键词
连轧管机/轧制力/Mann-Kendall法/趋势分析Key words
mandrel pipe mill/rolling force/Mann-Kendall method/trend analysis引用本文复制引用
杨玉祥,王贞艳,王清华,胡建华..Mann-Kendall法在连轧管机轧制力趋势分析中的应用[J].钢管,2026,55(1):33-37,5.
