Flatness pattern recognition of ultra-wide tandem cold rolling mill
A cubic flatness pattern expressed by Legendre orthogonal polynomial was introduced to build a new flatness pattern recognition model,in which least squares regression was used. Using the new model,flatness pattern recognitions of 2180 mm CVC ultra-wide cold rolling mill and 1550 mm UCM common wide...
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| Format: | Article |
| Language: | zho |
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Science Press
2021-07-01
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| Series: | 工程科学学报 |
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| Online Access: | http://cje.ustb.edu.cn/article/doi/10.13374/j.issn2095-9389.2015.s1.002 |
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| author | BAO Ren-ren ZHANG Jie LI Hong-bo JIA Sheng-hui LIU Hai-jun XIAO Sheng |
| author_facet | BAO Ren-ren ZHANG Jie LI Hong-bo JIA Sheng-hui LIU Hai-jun XIAO Sheng |
| author_sort | BAO Ren-ren |
| collection | DOAJ |
| description | A cubic flatness pattern expressed by Legendre orthogonal polynomial was introduced to build a new flatness pattern recognition model,in which least squares regression was used. Using the new model,flatness pattern recognitions of 2180 mm CVC ultra-wide cold rolling mill and 1550 mm UCM common wide tandem cold rolling mill were carried out. The results show that the main flatness error of the strip produced by the ultra-wide mill is "OS cubic waves" considering the cubic flatness pattern,and "quarter waves" without the cubic pattern; the main flatness error of the strip produced by the common wide mill is "central waves" whether considering the cubic flatness pattern or not,therefore the necessity of introducing cubic flatness pattern for the new recognition model is verified. Finally,potential application of the new model in the asymmetric flatness control of ultra-wide tandem cold rolling mill is discussed. |
| format | Article |
| id | doaj-art-fd828a98db444d8988c5f53cffd05e2a |
| institution | OA Journals |
| issn | 2095-9389 |
| language | zho |
| publishDate | 2021-07-01 |
| publisher | Science Press |
| record_format | Article |
| series | 工程科学学报 |
| spelling | doaj-art-fd828a98db444d8988c5f53cffd05e2a2025-08-20T02:16:49ZzhoScience Press工程科学学报2095-93892021-07-0137S161110.13374/j.issn2095-9389.2015.s1.002Flatness pattern recognition of ultra-wide tandem cold rolling millBAO Ren-ren0ZHANG Jie1LI Hong-bo2JIA Sheng-hui3LIU Hai-jun4XIAO Sheng51. School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China;1. School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China;1. School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China;2. Wuhan Iron and Steel (Group) Corporation, Wuhan 430083, China2. Wuhan Iron and Steel (Group) Corporation, Wuhan 430083, China2. Wuhan Iron and Steel (Group) Corporation, Wuhan 430083, ChinaA cubic flatness pattern expressed by Legendre orthogonal polynomial was introduced to build a new flatness pattern recognition model,in which least squares regression was used. Using the new model,flatness pattern recognitions of 2180 mm CVC ultra-wide cold rolling mill and 1550 mm UCM common wide tandem cold rolling mill were carried out. The results show that the main flatness error of the strip produced by the ultra-wide mill is "OS cubic waves" considering the cubic flatness pattern,and "quarter waves" without the cubic pattern; the main flatness error of the strip produced by the common wide mill is "central waves" whether considering the cubic flatness pattern or not,therefore the necessity of introducing cubic flatness pattern for the new recognition model is verified. Finally,potential application of the new model in the asymmetric flatness control of ultra-wide tandem cold rolling mill is discussed.http://cje.ustb.edu.cn/article/doi/10.13374/j.issn2095-9389.2015.s1.002ultra-wide millcubic flatness errorpattern recognitionleast squares regressionasymmetric flatness control |
| spellingShingle | BAO Ren-ren ZHANG Jie LI Hong-bo JIA Sheng-hui LIU Hai-jun XIAO Sheng Flatness pattern recognition of ultra-wide tandem cold rolling mill 工程科学学报 ultra-wide mill cubic flatness error pattern recognition least squares regression asymmetric flatness control |
| title | Flatness pattern recognition of ultra-wide tandem cold rolling mill |
| title_full | Flatness pattern recognition of ultra-wide tandem cold rolling mill |
| title_fullStr | Flatness pattern recognition of ultra-wide tandem cold rolling mill |
| title_full_unstemmed | Flatness pattern recognition of ultra-wide tandem cold rolling mill |
| title_short | Flatness pattern recognition of ultra-wide tandem cold rolling mill |
| title_sort | flatness pattern recognition of ultra wide tandem cold rolling mill |
| topic | ultra-wide mill cubic flatness error pattern recognition least squares regression asymmetric flatness control |
| url | http://cje.ustb.edu.cn/article/doi/10.13374/j.issn2095-9389.2015.s1.002 |
| work_keys_str_mv | AT baorenren flatnesspatternrecognitionofultrawidetandemcoldrollingmill AT zhangjie flatnesspatternrecognitionofultrawidetandemcoldrollingmill AT lihongbo flatnesspatternrecognitionofultrawidetandemcoldrollingmill AT jiashenghui flatnesspatternrecognitionofultrawidetandemcoldrollingmill AT liuhaijun flatnesspatternrecognitionofultrawidetandemcoldrollingmill AT xiaosheng flatnesspatternrecognitionofultrawidetandemcoldrollingmill |