以关联多工序装配系统为研究对象，考虑上游工序对下游工序的质量影响，运用马尔科夫建模思想，建立了多工序装配系统的马尔科夫模型，提出了装配系统中瓶颈工序的判定方法.以某航天安溢阀门装配过程为案例进行装配系统的建模与质量分析，验证了关联多工序装配系统模型的准确性以及实用性.
In manufacturing systems, a product usually goes through a series of assembly stages before it is completely finished, making it of great significance to analyze the product quality in assembly systems. A Markov model is developed to evaluate the quality performance of assembly systems in this paper. The quality of a product is not only related to the state of the current stage, but also has something to do with the quality of coming parts from upstream stages. Quality propagation is taken into consideration along the assembly production line. Finally, a case of multi-stage assembly system of astronautical valve is used to validate the effectiveness of this Markov model.
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