营养状况评价专家系统的构建

专家系统是一种模拟人类专家解决领域问题的计算机程序系统，研究利用分布式专家系统工具DEST，采用面向对象的设计技术，将知识库、数据库、推理机有机结合，研制开发了基于三层结构的营养状况评价专家系统。系统利用营养学专业知识及专家经验，对人体身体测量、体态特征、以及生化指标进行评价，使营养诊断变得简单，便于人们及时了解自身身体状况，从而接受专家建议，合理选择日常膳食

Expert System Construction of Nutritional Status Assessment

Expert system is a computer procedure system imitating human specialists in solving problems in certain fields. The application of DEST, the adoption of subject - oriented design technology, and the organic combination of knowledge base, data base and inference engine make established the expert system of nutritional status assessment on the basis of three - level structure. The system applies professional knowledge in nutriology and expert experience to the assessment of human physical health, postures and biochemical indexes, which simplifies nutritional diagnosis and makes it easier for people to have in - time knowledge of their physical condition, and thereby to accept experts＇ advice and have proper dieting.