Research on assembly quality evaluation based on Markov chain

Assembly processes involve a large number of operations and uncertain factors, which makes the random deviation of assembly quality. How to quantifiably evaluate the final assembly quality remains a question. This paper presents a new methodology to fulfill the task. Based on the analysis of the fac...

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Bibliographic Details
Main Authors: Lu, Ji-ping, Tang, Shui-yuan, Yan, Yan, Zhang, Fa-ping, Butt, Shahid
Format: Conference Proceeding
Language:English
Subjects:
Annealing
Assembly
assembly quality model
Cost function
Fasteners
function of quality loss
Genetic algorithms
Joining processes
Manufacturing
Markov Chain
Mechanical engineering
Missiles
Production
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Summary:Assembly processes involve a large number of operations and uncertain factors, which makes the random deviation of assembly quality. How to quantifiably evaluate the final assembly quality remains a question. This paper presents a new methodology to fulfill the task. Based on the analysis of the factors influencing assembly quality of missile cabin, assembly quality model is formulated to establish the relationship between the assembly status and quality loss. Then the transfer matrix of assembly process is built by the functions of quality loss for the missile cabin in terms of Markov chain. Finally, a case study of the assembly process of missile cabin has been used to support and validate the proposed model.
ISSN:2157-3611
2157-362X
DOI:10.1109/IEEM.2009.5373038