Application and research on model-based safety analysis

With the increase of military and civil aircraft system complexity, the shortage of traditional safety analysis technology goes distinctly, while the Model-based Safety Analysis technology attaches more and more importance. Therefore, this paper presents the background, basic concept and research and application situation of Model-based Safety Analysis technology, identifies the benefit of it. This paper also presents a framework of taking Model-based Safety Analysis into airplane safety assessment process, and a case study of performing MBSA in powerplant system is given to shown the effect of MBSA. Finally, this paper analyses the shortage and challenge of Model-based Safety Analysis considering its application in aircraft safety assessment process.