A knowledge-based aid for DC circuit analysis

A knowledge-based expert system is described which guides the student user to a method most suited to a given circuit problem. The expert system shell, which runs on a personal computer, is briefly described. The principles underlying the knowledge base are discussed. Validation of the knowledge base was carried out by posing a range of problems and comparing the suggested techniques with those used by an experienced instructor. Illustrative examples are given. It is concluded that the system is of potential benefit to students undertaking a first course in electric circuits. The knowledge base contains 71 decisions, 31 questions, and 71 rules