机械研究与应用
機械研究與應用
궤계연구여응용
MECHANICAL RESEARCH & APPLICATION
2014年
6期
69-72
,共4页
电控汽油机%模糊逻辑%BP神经网络%专家系统%故障诊断系统
電控汽油機%模糊邏輯%BP神經網絡%專傢繫統%故障診斷繫統
전공기유궤%모호라집%BP신경망락%전가계통%고장진단계통
electronic controlled gasoline engine%fuzzy logic%BP neural network%expert system%fault diagnosis system
阐述了模糊逻辑、BP神经网络和专家系统的相关理论,探讨了结合三种理论构建系统的优点,介绍了电控汽油机故障诊断的相关理论。在上述理论的基础上,阐述了电控汽油机模糊神经网络诊断专家系统的构建方法,并运用MATLAB软件针对汽油机故障征兆-故障模式样本集编写了BP神经网络训练程序对样本进行了学习训练和仿真。
闡述瞭模糊邏輯、BP神經網絡和專傢繫統的相關理論,探討瞭結閤三種理論構建繫統的優點,介紹瞭電控汽油機故障診斷的相關理論。在上述理論的基礎上,闡述瞭電控汽油機模糊神經網絡診斷專傢繫統的構建方法,併運用MATLAB軟件針對汽油機故障徵兆-故障模式樣本集編寫瞭BP神經網絡訓練程序對樣本進行瞭學習訓練和倣真。
천술료모호라집、BP신경망락화전가계통적상관이론,탐토료결합삼충이론구건계통적우점,개소료전공기유궤고장진단적상관이론。재상술이론적기출상,천술료전공기유궤모호신경망락진단전가계통적구건방법,병운용MATLAB연건침대기유궤고장정조-고장모식양본집편사료BP신경망락훈련정서대양본진행료학습훈련화방진。
Theories of the fuzzy logic, BP neural network and expert system are introduced, and the advantages of the combi-ning system of three theories are discussed, and the relevance theory of electronic controlled gasoline engine fault diagnosis is introduced.On the basis of the above theories, the construction method of fuzzy neural network diagnostic expert system of e-lectronic controlled gasoline engine is elaborated, and aiming at the gasoline engine fault symptoms-failure mode sample set, BP neural network training program is proposed on samples of learning and training by using MATLAB software.