Abstract
The present study aims to propose a method of carrying out the functional safety analysis to ensure the safety of the manufacturing process for weapon systems. The purpose of using weapon systems is to harm human life and destroy the property of hostile countries. Naturally, a weapon system involves explosives during its development and operation. As such, manufacturing processes for weapon systems have potential hazards of accidents that can cause fatal damages to humans or property. Some erroneous activities in the manufacturing process can produce dangerous results. For this reason, the safety of manufacturing processes in the defense industry domain is more crucial than other general manufacturing domain. To deal with such a safety issue, in this research, we propose a model-based approach to ensuring the safety of the manufacturing process for the defense industry. The proposal is primarily based on the concept of functional safety and includes the three steps: determination of safety integrity levels; selection of appropriate safety analysis methods; and execution of the analysis methods using SysML models. Using the results obtained in the study, one can identify the risk factors in a complex manufacturing environment in advance to take preventive actions against the potential loss that may arise.
Highlights
A primary target of the defense industry domain is the development and production of weapon systems aimed at harming human life and destroying property
The purpose of this study is to propose a method to carry out the functional safety analysis for ensuring the safety of the manufacturing process of the weapon systems
Failure Mode and Effects Analysis (FMEA) and Fault Tree Analysis (FTA) methods had been selected as the safety analysis method corresponding to Safety Integrity Level (SIL) 3-4
Summary
A primary target of the defense industry domain is the development and production of weapon systems aimed at harming human life and destroying property. Weapon systems involve explosives during the development and operation of them. The manufacturing process of the weapon systems has a risk that workers at the production lines are exposed to a potential explosion. For this reason, the safety of manufacturing processes in the defense industry domain is more critical than other general manufacturing domain. The manufacturing process of the weapon system tends to ensure safety through automation. As the weapon system is involved, the subject of safety analysis is getting complicated
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