Fuzzy Analytic Hierarchy Process for Risk Assessment to General-assembling of Satellite

 

J. Tian*, Z.F. Yan

 

School of Reliability and Systems Engineering, Beihang University, 100191 Beijing, China. *08563@buaa.edu.cn.

 

ABSTRACT

With a fuzzy analytic hierarchy process, the hierarchy of risk factors in satellite general-assembling process is established, based on which, the weights of various risk factors are determined one by one. Furthermore, the risk factors are quantitatively analyzed, and the comprehensive risk assessment model is established in the end. Taking a satellite model as an example, the risks in the satellite general-assembling process are assessed comprehensively, and the risk levels are quantitatively measured. The factors are sorted according to their impact capabilities to the overall risk level, and the key points of risk control for satellite general-assembling process is clarified. Results obtained from the analysis to risk sub-factors suggested that experience and techniques, narrow space and production rhythm are more detrimental to process risk than any other sub-factors. The results also show that the risk could be mitigated, provided that the effectiveness of engineering measures against deficiencies in the most influential (sub-)factors is maintained. The rationality and feasibility of the proposed method model is proved by the engineering application, which provide the effective technical support for the risk control in satellite general-assembling process.

Keywords: Satellite, general-assembling, process, risk assessment, fuzzy analytic hierarchy.

 

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