Title:
QUALITY INFLUENCING FACTOR IDENTIFICATION SUPPORT DEVICE AND METHOD
Document Type and Number:
Japanese Patent JP2021192137
Kind Code:
A
Abstract:
To support identifying highly relevant features that affect product quality.SOLUTION: A quality influencing factor identification support device includes: a data collection unit 1 that collects product quality data and process data of batch processes; a storage unit 2 that stores the product quality data and the process data; a feature extraction unit 3 that extracts features of the process data: a feature classification unit 4 that groups all features based on the similarity between features; a representative feature quantity selection unit 5 that selects representative feature quantities for each group based on the relationship with product quality data for each group; a candidate identification unit 6 that identifies the representative features that contribute to the fluctuation of product quality data among the representative features as quality influencing factor candidates; and a specific result notification unit 7 that notifies the user of a specific result of the quality influencing factor candidate.SELECTED DRAWING: Figure 1
Inventors:
NISHIGUCHI JUNYA
WATANABE TAKURO
WATANABE TAKURO
Application Number:
JP2020098263A
Publication Date:
December 16, 2021
Filing Date:
June 05, 2020
Export Citation:
Assignee:
AZBIL CORP
International Classes:
G05B19/418; G06Q50/04
Attorney, Agent or Firm:
Shigeki Yamakawa
Masaki Yamakawa
Masaki Yamakawa