Transactions of Materials and Heat Treatment

Title：Fault diagnosis for clutch and brake based on expert system

Authors： Li Meng Cao Chunping Sun Yu

Unit： Nanjing University of Science and Technology

KeyWords： clutch and brake expert system binary decision diagrams fault tree analysis minimum cut set

ClassificationCode：TG315.5

year,vol(issue):pagenumber：2017,42(12):163-168

Abstract：

In order to improve the efficiency of fault diagnosis for clutch and brake and aiming at the characteristics of clutch and brake failure, an expert system structure was designed based on fault tree analysis and binary decision diagrams, and a fault diagnosis method for clutch and brake based on expert system was proposed. Firstly, the fault tree was established by analyzing the fault cause of the clutch and brake through fishbone diagram. Secondly, the fault tree was analyzed qualitatively by binary decision diagrams to obtain the knowledge of diagnostic experts, and the fault diagnosis knowledge base was established by production rules. Then, the fault tree was analyzed quantitatively by binary decision diagrams to calculate the importance of the minimum cut set and determine the rule priority, and the problem of rule conflict was solved and the efficiency of fault diagnosis was improved. Finally, the prototype system of the fault diagnosis expert system of clutch and brake was developed. The results show the effectiveness and feasibility of the proposed method.

Funds：

江苏省重点研发计划——产业前瞻工艺性关键技术（BE2015011-3）

作者简介：李猛（1990-），男，硕士研究生 E-mail：2414519510@qq.com 通讯作者：曹春平（1976-），女，博士，副教授 E-mail：ccp_alice@163.com

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