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신뢰도 분석 방법 및 운용환경 조건에 따른 회로카드조립체 고장율 변화
이승률(Seung-Ryool Lee),박경덕(Kyoung-Deok Park),전동주(Dong-Ju Jeon),이수중(Su-Jung Lee) 한국산업경영시스템학회 2016 한국산업경영시스템학회 학술대회 Vol.2016 No.추계
When weapon system is designed and developed, a reliability is one of important factors to determine the development goal. The reliability analysis of the weapon system and equipment is based on MIL Specification, MIL-HDBK-217F and MIL-HDBK-338B. And the weapon system is operated on various environments by operating concept of the military using the weapon system. This study, at first, present failure rate by PSA comparing with failure rates by PCM, the different reliability analysis method, for same CCA(Circuit Card Assembly). And the study present change of reliability analysis results for CCA on various operation environment condition..
Performance Model을 이용한 무기체계 운용화면 GUI 사용성 평가 및 개선에 대한 연구
전동주(Dong-Ju Jeon),이승률(Seung-Ryool Lee),최영원(Young-Won Choi),이혜원(Hye-Won Lee),김두정(Doo-Jung Kim) 한국산업경영시스템학회 2016 한국산업경영시스템학회지 Vol.39 No.3
The recent development of modern weapon system by SOS (System of System) has required users to have more exact decision making. It is possible to achieve the control of complex weapon system more efficiently and effectively by increasing usability. Accordingly, many studies on graphical display have been conducted for several years in the field of HCI (Human Computer Interaction) and GUI (Graphic User Interface), starting from its design stage. Therefore, this paper focuses on evaluating the system GUI usability and analyzing several important points based on performance model, which is a tool for the evaluation and the improvement of service quality. Performance Model, the main focus of this study, reflects user expectations (which is defined as user importance in this paper). The study consists of four steps. First, 34 checklists are drawn from the existing studies related to GUI usability evaluation by using a heuristic method, and then the checklists are matched with 11 weapon system design factors. Next, the study evaluates the importance of GUI element and the usability of weapon system “A” with the checklists twice respectively. Third, the performance of user importance ( ?? ) and the performance of usability ( ?? ) are calculated by modifying a numerical formula for normalization in this step. Finally, the study compares the approach it takes and the existing usability evaluation method, demonstrating that there is a significant difference between the two methods as a result. In addition, 4 improvement factors are suggested for weapon system “A” as “Shortcut” and “Description of Abbreviation,” and so on. Although it is necessary to conduct more studies for higher reliability and validity of the results, this study is meaningful considering it takes a new point of view.