A fuzzy decision-making computer aided system for the preliminary selection of agitator

A computer aided system has been developed as an aid to the preliminary sel ection of agitators for stirred vessels. This paper is concerned with model ing of the agitator selection process for a particular application and for general applications using the analytic hierarchy process (AHP). It is conc luded that the decision-making results are fairly consistent with the human experts decisions. The knowledge manipulation of the system has been prese nted from three aspects: knowledge acquisition, knowledge representation, a nd the methodology of handling uncertain data using the theory of fuzzy set s. The implementation of the system is illustrated by the operating procedu res.