Research And Implementation Of Humanoid Solving Method For Junior High School Physics Circuitry Calculation Problems

In teaching activities, the new knowledge students learned need timely exercise to complete the knowledge construction process, and the practice process often occurs outside the classroom, teachers can not provide timely learning support and help. Although computer-assisted instruction and intelligent tutoring system has been gradually mature, simple assistant has been unable to meet the needs of students, and they need a more intelligent system to be able to provide problem-solving help in independent study. Therefore, it has a very important significance to study the method of humanoid problem-solving.In the field of artificial intelligence, with the increasing development of natural language understanding and knowledge representation technology, the expert system began to rise, and gradually applied to the education. The humanoid problem-solving and automatic reasoning have become research highlights, which are mainly focused on the proving of mathematics geometric theorem and computer science. However, few studies are conducted on the subject of physics, except a little problem-solving system about questions of mechanics and motion. And these systems can only answer a preset question or the problem-solving process requires manual operation, which can not achieve complete humanoid problem-solving. Although the problem solving system of uniform linear motion problem has achieved automatic problem solving in a certain degree, the system is very simple and cannot answer other more complex physical problems with multi-step or multi-object.Aiming at the existing problems mentioned above, this paper provided the humanoid problem-solving approach based on physics circuit calculation problem in junior middle school, designed and implemented a humanoid solver which can answer questions intelligently with problem-solving ideas and problem-solving steps. When the problems described meet certain requirements, the problem-solving system tested is able to intelligently answer multi-step and multi-object physics circuit calculation problems for evaluation in junior middle school. It achieved the problem solving process automatic and humanoid, and made a certain improvement and breakthrough in problem solving depth.The main work of this paper is as follows:1. The physics electrical knowledge points and circuit calculation problem and electrical formulas were carded and classified, including questions feature extraction, problem solving rules feature extraction.2. The humanoid problem-solving approach based on physics circuit calculation problem in junior middle school was proposed, Including the problem understanding method based on Chinese Words Segmentation Technique, the coding method of electrical knowledge and rules based on knowledge representation technology, and the automated reasoning methods based on knowledge base matching.3. Completed the design and development work of the humanoid solver, which achieved humanoid solving. The electrical knowledge base was established, which was divided into two parts:the fact base and the rule base, storage structural knowledge and rule knowledge respectively. The question bank was established, collect questions through a variety of channels, organize its classification, write and organize answers and entry question bank.