A Comprehensive Fault Diagnosis System and Quality Evaluation Model for Electromechanical Products by Using Rough Set Theory

2018 ◽  
pp. 55-64
Author(s):  
Jihong Pang ◽  
Ruiting Wang ◽  
Yan Ran
Keyword(s):  
Fault Diagnosis ◽  
Set Theory ◽  
Rough Set ◽  
Quality Evaluation ◽  
Rough Set Theory ◽  
Evaluation Model ◽  
Diagnosis System ◽  
Electromechanical Products ◽  
Fault Diagnosis System ◽  
Quality Evaluation Model

Research on Fault Diagnosis Method Based on CBR and Rough Set Theory

2012 ◽  
Vol 170-173 ◽  
pp. 3644-3648
Author(s):  
Chun Fei Yuan ◽  
Jing Cai ◽  
Yi Ming Xu
Keyword(s):  
Fault Diagnosis ◽  
Set Theory ◽  
Rough Set ◽  
Rough Set Theory ◽  
Weighting Coefficient ◽  
Case Based Reasoning ◽  
Diagnosis Method ◽  
Maintenance Work ◽  
Fault Diagnosis System ◽  
Case Based

Modern fault diagnosis system always is a dynamic, flexible and uncertain complicated system, so many fault diagnosis methods are not effective to determine fault causes. Considering that abundant of fault diagnosis cases have been accumulated in daily maintenance work, a fault diagnosis method based on case-based reasoning (CBR) and rough set theory is proposed. Rough set theory is employed to process reduction on attributes and the weighting coefficient of case description attributes. This method makes full use of the advantage of" let the data speak". At last the method is testified by an example, and the result shows it is feasible and effective.

A Rural Residential Building Products Quality Evaluation Algorithm Based on Rough Set Theory

2011 ◽  
Vol 335-336 ◽  
pp. 1137-1140
Author(s):  
Tian Bo Liu ◽  
Fang Jun Luan ◽  
Shou Jin Wang
Keyword(s):  
Set Theory ◽  
Rough Set ◽  
Quality Evaluation ◽  
Rough Set Theory ◽  
Evaluation Model ◽  
Residential Building ◽  
Building Products ◽  
Evaluation Algorithm ◽  
Great Merit

The quality of rural residential building products related to the construction pace of new socialist countryside in China. In order to improve the products quality, using the rough set theory, hierarchy evaluation model is established and analyzed. The step of the rural residential building products quality evaluation is given combined with an instance, and the quality evaluation value is also given quantitatively. The result shows that this method is intuitional, concise, quantitative and precise thereby it has the great merit of being applied widely.

Study on Remote Control and Fault Diagnosis for Ultrahigh Speed Grinding

2007 ◽  
Vol 359-360 ◽  
pp. 518-522
Author(s):  
Wan Shan Wang ◽  
Tian Biao Yu ◽  
Xing Yu Jiang ◽  
Jian Yu Yang
Keyword(s):  
Remote Control ◽  
Fault Diagnosis ◽  
Knowledge Acquisition ◽  
Rough Set ◽  
Theoretical Research ◽  
Reduction Rule ◽  
Diagnosis System ◽  
Linear Speed ◽  
Fault Diagnosis System ◽  
Diagnosis Model

Remote control and fault diagnosis of ultrahigh speeding grinding is studied, which is based on the theory of rough set. Knowledge acquisition and reduction rule of fault diagnosis, realization method of remote control for ultrahigh speed grinding are studied, diagnosis model is established. Based on the theoretical research and ultrahigh speed grinder with a linear speed of 250 m/s, the remote control and fault diagnosis system of ultrahigh speed grinding is developed. Results of the system running show that the environment is improved, the mental pressure of workers is relieved and the efficiency is improved. At the same time, it proves that the ability to diagnosis and the accuracy of diagnosis for the ultrahigh speed grinding are improved and the time for diagnosis is shortened by applying rough set.

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