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프로빗 모델 기반 핀풀러의 작동 신뢰도 추정

Title
프로빗 모델 기반 핀풀러의 작동 신뢰도 추정
Other Titles
Functional Reliability Estimation of Pin Pullers Based on a Probit Model
Author
배석주
Keywords
델타방법; 작동 신뢰도; 최우추정법; 프로빗 모델; Delta Method; Functional Reliability; Method of Maximum Likelihood; Probit Model; Pyrotechnic Mechanical Device(PMD)
Issue Date
2017-04
Publisher
한국군사과학기술학회
Citation
한국군사과학기술학회지, v. 20, no. 2, page. 225-230
Abstract
To generate mechanical movements in one-shot devices such as missiles and space launch vehicles, pyrotechnic mechanical device(PMD) such as pin pullers using pyrotechnic charge has been widely used. Reliability prediction of pin pullers is crucial to successfully execute target missions for the one-shot devices. Because the pin pullers require destructive tests to evaluate their reliability, one would need about 3,000 samples of success to guarantee a reliability of 99.9 % with a confidence level of 95 %. This paper suggests the application of a probit model using the charge amount as a functional parameter for estimation of functional reliability of pin puller. To guarantee target reliability, we propose estimation methods of the lower bound of functional reliability by applying the probit model. Given lower bound of functional reliability, we quantitatively show that the optimum amount of charge increases as the number of samples decreases. Along with a variety of simulations the validity of our new model via real test results is confirmed.
URI
http://koreascience.or.kr/article/JAKO201713234786065.pagehttps://repository.hanyang.ac.kr/handle/20.500.11754/113527
ISSN
1598-9127
DOI
10.9766/KIMST.2017.20.2.225
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > INDUSTRIAL ENGINEERING(산업공학과) > Articles
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