Abstract
In this article, the Process Fault Tree Analysis (PFTA) method is researched, which is about to the risk management of spacecraft Assembly Integration and Test (AIT) process. The method of how to identify the top event and bottom event of Spacecraft AIT process risk and the method of how to assess the risk severity of the bottom event is introduced. The model of risk control matrix is established. From the responsibilities, tools, methods, monitor and other dimensions about the post roles involved of the AIT process, how to establish a risk management system based on the identification, assessment, analysis and control of the whole AIT process is researched. In this risk management system, through technology subject, quantitative topic, process improve, Quality Control (QC) subjects, implementation of product assurance elements, writing Standard Operating procedure (SOP), maintaining system documents, combing knowledge and operation taboo items and other method is used.
Highlights
The characteristics of spacecraft production mode are multispecies, small amount, multisystem, long process
In order to reduce the development risk and improve the development quality, this paper studies the process risk management and control method based on the whole cycle, all elements, and all positions of AIT for spacecraft products
The purpose of Fault Tree Analysis (FTA) is to determine the sequence of failure phenomena to be prevented according to the fault tree diagram, to understand their specific phenomena, and to take preventive measure to prevent the occurrence of undesirable phenomena according to the evaluation [3]
Summary
The characteristics of spacecraft production mode are multispecies, small amount, multisystem, long process. As the final step of spacecraft production, AIT has many characteristics such as many operating procedures, many risk items, significant human influence factors, strict quality control requirements, etc. [1] There is still a big gap between risk management and control of AIT operation process that all kinds of problems in AIT production process in aerospace industry at home and abroad indicated. In order to reduce the development risk and improve the development quality, this paper studies the process risk management and control method based on the whole cycle, all elements, and all positions of AIT for spacecraft products
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