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Study on the Establishment of Risk Assessment Criteria for the Dynamic Reliability Test of Performance Improvement Weapon System using Recycling Software
Hunyong Shin, Young-Soo Choi, Min-Ho Park, Hyung-suk Kim, Dae-San Oh, Jong-Kyu Kim, Jong-Geun Kim, Sungshin Kim
http://doi.org/10.5626/JOK.2022.49.1.67
Recently, as the proportion of software in weapon systems has increased and software reliability has an important influence on weapon systems, the importance of weapon system software reliability testing is being emphasized. In existing studies, reliability test standards are presented with a focus on new R&D software. However, recent studies on reliability test subjects and criteria are inadequate for R&D of the performance improvement weapon system software. In particular, establishment of standards and measures is required because it highly influences not only project schedule, but also the cost required for testing, depending on the test subject and standards. In this study, in order to solve this problem, the risk evaluation criteria for selecting the dynamic reliability test target of the recycled software in the performance improvement weapon system were proposed. The risk evaluation criteria were separated by dividing the developed software in the performance improvement weapon system into a new function and a modified function. Also, different criteria were established for complexity and correlation according to the function characteristics. Using this risk evaluation standard, risk evaluation was performed on the Korea Variable Message Format (KVMF) tactical computer performance improvement software, and dynamic reliability test subjects were selected. The efficiency of the dynamic reliability test was confirmed by comparing the risk assessment results and the dynamic test results evaluated by the proposed method with other newly developed projects.
Recovering Network Joining State for Normal/Abnormal Termination of Battlefield Management System
http://doi.org/10.5626/JOK.2017.44.8.749
The weapon system based on voice call can cause delay, error or damage to the message during the exchange of information. Furthermore, since the weapon system has a unique message format, it has limited data distribution. Therefore, a Korea Variable Message Format(KVMF) has been developed in this study to utilize a standard sized data format to guarantee the transmission quality and minimize the transmission amount. The ground tactical data link system quickly and accurately shares tactical information by incorporating a field management system that utilizes the KVMF standard message in the mobile weapon system. In this study, we examine the possibility of performing the mission immediately by recovering the state of network joining when a normal/abnormal termination situation of the battlefield management system occurs.
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