Abstract
This paper describes the current status to develop an operator support interface system called semantic information presentation agent. The interface system uses a plant model composed of hierarchical relation among goals and functions, plant abstract structure, and component information on behavioral and operational aspects. A technique is developed to select candidates of counter action by considering operationality and rough effect estimation from the ones derived based on the functional plant model. Effect estimation is also carried out considering arrangement and rough behavior of components. A static simulation code is also developed to evaluate quantitatively the effects of a counter action. Reasonable selection and effect evaluation results are obtained by the proposed techniques in an application to an oil refinery plant.
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