| 摘要 |
PROBLEM TO BE SOLVED: To provide indices for determining indices at varying levels of hierarchy within and among process plants.SOLUTION: A method of monitoring an entity within a process plant, the entity including a plurality of lower level entities, is disclosed. The method includes acquiring a plurality of use indices, acquiring a plurality of weighting values, and creating an aggregate use index from a combination of the lower level use indices and weighting values, where the aggregate use index represents status information regarding the entity. Each use index pertains to status information regarding one of the plurality of lower level entities, and each weighting value pertains to the importance of a lower level entity among the plurality of lower level entities. |
