Description: A prototype real-time knowledge based system. SPARES (Steam Plant Analysis using a Real-time Expert System and Simulation) has been developed to act as an operational and diagnostic aid to operators of steam power plants. This system enables abnormal and inefficient operating conditions such as high stack temperature and low boiler efficiency to be detected, analysed and diagnosed. Some special features of the system include the simulation of the power plant process at any unit loading and under a wide range of normal and abnormal conditions. SPARES is implemented on an engineering workstation using Gensym s G2 object oriented real-time expert system shell modelled on a 250 MW generating unit in Singapore. The knowledge acquired for SPARES has been encoded in the form of engineering models and objects. Rules, and mathematical simulations and formulae. Efforts have been made to make the representation and reasoning structures and methods as generic as possible so that similar systems fo
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expert system shell to develop a power plant simulator.pdf
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