인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
개인구독
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지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국경영과학회 경영과학 經營科學 第42卷 第2號
- 발행연도
- 2025.6
- 수록면
- 33 - 45 (13page)
- DOI
- 10.7737/KMSR.2025.42.2.033
이용수
초록· 키워드
This study addresses the growing need for precision maintenance in increasingly complex semiconductor manufacturing environments, where real-time event and condition monitoring data are often unavailable. To overcome this limitation, we employ a survival analysis-based approach that leverages historical maintenance records to estimate hazard functions and derive survival functions for individual equipment components. This enables the development of replacement criteria based on survival probability thresholds without relying on real-time condition monitoring. Under constraints of limited data availability, we fit parametric distributions to observed replacement intervals, select the best unimodal model via the Kolmogorov-Smirnov test, and, when necessary, approximate bimodal behavior using Gaussian mixture models. From these survival curves, we propose three replacement criteria that balance early and delayed maintenance risks. Scenario analysis demonstrates that applying the proposed criteria can achieve up to a 40 % reduction in maintenance costs compared to conventional policies. The findings validate the efficacy of our method in supporting maintenance decision-making, reducing unnecessary component replacements, and maintaining process stability. By offering a practical and scalable alternative to data-intensive maintenance strategies, our framework enhances operational efficiency and reliability in semiconductor manufacturing—and serves as a model for predictive maintenance under limited data availability in other high-value process industries.
#Replacement Strategy
#Limited Data Availability
#Survival Analysis
#Predictive Maintenance
#Remaining Useful Life
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목차
- Abstract
- 1. 서론
- 2. 연구 방법
- 3. 생존 분석과 교체 기준 평가
- 4. 결론
- 참고문헌
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