Abstract
This paper describes an Intelligent Manual Feedwater Control Station (IMFCS) that provides on—line expert guidance for a process control task: control of feedwater during power plant startup and operation. The IFMCS provides control action advice derived from analysis of the performance of expert operators. It represents a novel approach to advisory systems in that (a) the IMFCS does not attempt to replicate in detail the surface activities of domain experts, but rather abstracts the cognitive competencies required for expert performance and provides a domain representation that promotes those competencies; (b) the advice takes an analogue graphic display form; (c) a common frame of reference is established between machine advisor and human practitioner that integrates advice and “explanation” avoiding problems associated with opaque advice.
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