Sk Gas Co., Ltd.

Hee Dong Choi

Ung Gi Hong

Min Ho Kim

Hae Bin Shin

Seung Hwan Kong

Sung Joo Yeo

Young Gook Kye

A system selecting a process key factor in a commercial chemical process, includes: a data extraction unit that extracts tag data in units of a set period; an outlier discrimination unit that discriminates and aggregates outliers by tag by using an outlier extraction reference master; an outlier processing unit that generates an input mart draft excluding the outliers; a derived variable generation unit that generates derived variables for each tag, and generates an advanced input mart having the derived variable added thereto; a yield calculation unit that backs up the result of calculation of a yield by realizing a target value via exclusion and correction of the outliers; and a key factor extraction unit that extracts a yield key factor by calculating importance of each tag, and backs up importance data for each tag.

Growing community of inventors

Seongnam-si, South Korea

Hee Dong Choi