Data analysis device and method

• Main Authors: ICHIMURA, DAIJIRO, TAJIKA YOSUKE, OKIMOTO, YOSHIYUKI, MINEGISHI AKIRA
• Format: Patent
• Language: Chinese; English
• Published: 03.02.2023
• Subjects: CALCULATING; COMPUTING; CONTROL OR REGULATING SYSTEMS IN GENERAL; CONTROLLING; COUNTING; DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS; PHYSICS; REGULATING; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR

A data analysis device (2) analyzes the efficiency of performing a line process including a plurality of steps. A data analysis device is provided with: an acquisition unit that acquires log data indicating a history in which each process is executed every time a line production is performed; and a control unit (20) that generates analysis information indicating the result of analysis of the history indicated by the log data on the basis of information generated by a probability model (4) that computes a probability distribution relating to the line production. The probability model generates a process efficiency distribution indicating the probability distribution of the efficiency of each process in the line production, and a variation importance factor distribution indicating the probability distribution of an importance factor that varies the efficiency of the line production in each process (S13). A job efficiency distribution representing a probability distribution of the efficiency of the line job is g