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Complex and safety-critical industrial plants require a computerised safety assessment both during the design phase and the life cycles of their sub-systems and components. Such a task is split into several small tasks, each working on common knowledge bases. Within a new approach a system layout is proposed; once the necesssary plant systems, components, and associated models are created all subsequent assessment tasks should be launched directly from there. Knowledge is organised in objects, on the basis of their structural characteristics and functional behaviour. Appropriate methods are attached to the objects, and multiple inheritance is allowed. Knowledge is basically either of generic or specific nature, according to its origin and validity. Moreover the user might insert his own knowlede of experience, thus overwriting temporarily system-generated knowledge. All knowledge handling is done in parallel to the main design and assessment tasks thus leading to an integrated knowledge management. Re-use of knowledge is guaranteed for the diverse tasks and is even proposed for inter-project exchange. This paper discusses a methodology for integrated object-oriented knowledge management and explains how safety assessment may be elaborated on that methodology.

Additional information

Authors: SCHEER S, JRC Ispra (IT)
Bibliographic Reference: Paper presented: ECOOP '94, Bologna (IT), July 4-8, 1994
Availability: Available from (1) as Paper EN 38066 ORA
Record Number: 199410092 / Last updated on: 1994-11-28
Original language: en
Available languages: en