Safety Requirements Identification in Suborbital Payload Experiments.

Saved in:

Bibliographic Details
Title:	Safety Requirements Identification in Suborbital Payload Experiments.
Authors:	Carneiro Procópio, Heuller Aloys¹ heullerhacp@fab.mil.br, Galvão Martins, Luiz Eduardo², Netto Lahoz, Carlos Henrique³
Source:	Journal of Aerospace Technology & Management. 2024, Vol. 16, p1-17. 17p.
Subjects:	Modeling languages (Computer science), Rocket payloads, Space environment, Space vehicles, System safety
Abstract:	In the concept, design, and development phases of suborbital payload scientific experiments, designers tend to focus on what will be tested using automation and procedures that support the vehicle and space environment. Although tests are the focus, safety is one of the primary areas that may contribute to a successful mission. This paper presents the typical Brazilian suborbital payloads and rockets, and then reviews some losses during the launching campaigns. The system-theoretic process analysis (STPA), which is based on the system-theoretic accident model and process (STAMP) approach, was used to identify 32 unsafe control actions (UCAs), 77 loss scenarios, and 28 safety constraints. These safety constraints were the basis for establishing 74 safety requirements modeled in systems modeling language (SysML). A group of experts in space systems evaluated these safety requirements, and a case study was performed to test the requirement set. The results may contribute to mitigating or eliminating hazards related to these space systems and launch mission safety. [ABSTRACT FROM AUTHOR]
	Copyright of Journal of Aerospace Technology & Management is the property of Departamento de Ciencia Tecnologia Aeroespacial (DCTA) and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database:	Engineering Source

Description
Abstract:	In the concept, design, and development phases of suborbital payload scientific experiments, designers tend to focus on what will be tested using automation and procedures that support the vehicle and space environment. Although tests are the focus, safety is one of the primary areas that may contribute to a successful mission. This paper presents the typical Brazilian suborbital payloads and rockets, and then reviews some losses during the launching campaigns. The system-theoretic process analysis (STPA), which is based on the system-theoretic accident model and process (STAMP) approach, was used to identify 32 unsafe control actions (UCAs), 77 loss scenarios, and 28 safety constraints. These safety constraints were the basis for establishing 74 safety requirements modeled in systems modeling language (SysML). A group of experts in space systems evaluated these safety requirements, and a case study was performed to test the requirement set. The results may contribute to mitigating or eliminating hazards related to these space systems and launch mission safety. [ABSTRACT FROM AUTHOR]
ISSN:	19849648
DOI:	10.1590/jatm.v16.1351