摘 要
本文介绍了汽车故障诊断专系统的基本结构及其开发的基本方法,论述了汽车故障诊断专家系统软件的开发研究的意义和设计中的难点,针对汽车故障的复杂性特点模拟经验丰富的维修专家的诊断思路及方法,利用Delphi7进行编程,建立友好的人机界面,依据计算机数据结构原理,采用故障树的数据结构和关系数据库原理完成知识表示建立完善的知识库,实现了确定性故障诊断所需的知识库和推理机.从而可使用户通过人机对话的形式方便、快速、准确地出故障原因,大大地提高汽修行业的效益及汽车的使用寿命。
关键字:汽车 故障诊断 专家系统
Abstract
The paper introduces Automobile Fault Diagnosis Expert System of basic structure and development of basic methods. Discusses the software of Automobile Fault Diagnosis Expert System ’s research meaning and the difficulty in the design. Aiming at the complexity charact
eristic of the fault ,simulating the way that experienced diagnosis maintenance of expert thinking, using Delphi7, established friendly human—machine interface. According to the principle structure data of the computer , adopt the fault tree’s data structure and relation theories of database to accomplish the representation of knowledge, and realized the uncertainty of knowledge base for fault diagnosis and reasoning machine。 The user could find fault convenient, fast and accurately through the man—machine dialogue form , greatly improve the automobile industry's efficiency and the automobile’s service life。
Key words:automobile fault diagnosis expert system
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