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博士学位论文预答辩公告

发布时间:2018-09-17

论文标题

Reliability Modeling for System Reliability Analysis of  Resistance Spot Welding Machine and Welding Manufacturing Processes

学科类别

机械工程

答辩人

FAYZIMATOV ULUGBEK

导师

盛步云

答辩时间

20180919日周三下午 14:00

答辩地点

机电学院4410会议室

简介

In the present time, the manufacturing processes are becoming complex and the transition from mass production to lean production sets to the manufacturer high standards of quality and reliability. As a consequence, the requirements for equipment reliability is getting higher. Therefore, it is becoming a difficult task to the plant workforce to choose an appropriate maintenance policy  and spare parts strategy.  In this case, properly constructed diagnostic system and system reliability calculation would be very useful for designers and plant managers to significantly reduce the number of unnecessary tests and hence reducing the associated costs. To achieve higher reliability and high quality of the products, the manufacturing companies should implement predictive and analytic algorithms by means of software and applying them to existing maintenance processes.

The aim of this research is to present the application of Reliability-based PHM to analyses and predict the reliability performance of the PSW machine considering the influence of operational condition. The deterioration of the technical condition of the welding machine takes place continuously, both under normal (conditioned) operational condition and under adverse operational condition. The developed model takes into account that the failure process occurs in different operational conditions with different intensities of failure rates.

 

 

 

 

 

 

 

 

答辩委员会

主席:

李刚炎 教授     武汉理工大学

委员:

章桥新 教授     武汉理工大学

  教授     武汉理工大学

罗亚波 教授     武汉理工大学

史晓亮 教授     武汉理工大学

秘书:

           武汉理工大学

 

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