Plan View Pattern Control for Steel Plates through Constrained Locally Weighted Regression

Hiroyasu SHIGEMORI; Koji NAMBU; Ryo NAGAO; Tadashi ARAKI; Narihito MIZUSHIMA; Manabu KANO; Shinji HASEBE

doi:10.9746/sicetr.46.472

Paper

Plan View Pattern Control for Steel Plates through Constrained Locally Weighted Regression

Hiroyasu SHIGEMORI, Koji NAMBU, Ryo NAGAO, Tadashi ARAKI, Narihito MIZUSHIMA, Manabu KANO, Shinji HASEBE

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Keywords: quality improvement, steel plates, plan view pattern control, locally weighted regression, constrained parameter identification, just-in-time modeling method, nonlinear model

JOURNAL FREE ACCESS

2010 Volume 46 Issue 8 Pages 472-479

DOI https://doi.org/10.9746/sicetr.46.472

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Abstract

A technique for performing parameter identification in a locally weighted regression model using foresight information on the physical properties of the object of interest as constraints was proposed. This method was applied to plan view pattern control of steel plates, and a reduction of shape nonconformity (crop) at the plate head end was confirmed by computer simulation based on real operation data.

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