Abstract:

A problem-solving model is a scheme to organize inference steps and domain knowledge in constructing a solution to a problem. Based on blackboard model, the design method in this paper are those of engineering analysis expert system, including hierarchical representation of expert strategic knowledge，completion of depth-first search and reasoning network model，construction of hierarchical reasoning network model for cooperative mufti-expert system, design of interpretation scheme and interface, and reasoning algorithm.

Key words: expert system, problem-solving model, blackboard model, knowledge representation.