US 12,242,249 B2
Operation method and operation system for operating production facilities of a same kind
Tomohiko Ito, Tokyo (JP); Kazuhira Ichikawa, Tokyo (JP); Shingo Sugioka, Tokyo (JP); Hiroyuki Shimamoto, Tokyo (JP); and Tetsuya Yamamoto, Tokyo (JP)
Assigned to JFE Steel Corporation, Tokyo (JP)
Appl. No. 17/774,546
Filed by JFE Steel Corporation, Tokyo (JP)
PCT Filed Nov. 2, 2020, PCT No. PCT/JP2020/041117
§ 371(c)(1), (2) Date May 5, 2022,
PCT Pub. No. WO2021/095595, PCT Pub. Date May 20, 2021.
Claims priority of application No. 2019-205417 (JP), filed on Nov. 13, 2019.
Prior Publication US 2022/0390930 A1, Dec. 8, 2022
Int. Cl. G05B 19/418 (2006.01)
CPC G05B 19/41815 (2013.01) [G05B 2219/32085 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An operation method for production facilities for operating a plurality of production facilities of a same kind located at a plurality of production sites, the operation method comprising:
a data information preparation step of aggregating operational data of each of the production facilities for each of the production sites;
a data accumulation step of accumulating the operational data aggregated at the data information preparation step into a computer located at a data accumulation site;
a data analysis step of analyzing an operation status of each of the production facilities, using the operational data accumulated at the data accumulation step;
an operation status determination step of determining whether the operation is abnormal at each of the production facilities, based on an analysis result of the data analysis step;
a data display step of displaying information on the operation status of each of the production facilities analyzed at the data analysis step on a display unit located at each of the production sites; and
a facility operation step of referring to the information displayed at the data display step and operating a production facility located at a second production site from a first production site,
wherein the operation status determination step includes a step of determining whether the operation is abnormal, using an operation indicator, operational data and at least one piece of metadata of operating conditions, the operation indicator, operational data and operation conditions being converted into a same scale,
wherein the step of determining whether the operation is abnormal comprises using indices calculated for each of the production sites, wherein the indices are converted into the same scale by defining one index of the indices as a first index, calculating a mean value of the first index obtained in a period in which the facility is presumably normal in a production status in the past, and dividing the first index obtained sequentially by the mean value to yield a second index, whereby the facility statuses of the different production facilities of the same kind are compared.