| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a management device which calculates operation information capable of estimating or identifying a factor, such as reduction of quality of products. <P>SOLUTION: A management device determines a reference period of a production process from storage means, control information outputted to a control device group by control means during the period of the production process, information acquisition means for acquiring detection information detected by a sensor group during the period of the production process, and representative control information outputted to a first control device included in the control information, calculates a representative value based on the detection information belonging to the reference period and a representative value based on the control information belonging the reference period, and stores each calculated representative value in the storage means in association with specific information on the production process. <P>COPYRIGHT: (C)2013,JPO&INPIT |
