• Title/Summary/Keyword: PLOC

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Reliability Assessment Considering PLOC and Unified Evaluation via Analytic Network Process (PLOC를 고려한 배전계통의 신뢰도 계산 및 ANP에 의한 종합적 평가)

  • Lee, Buhm;Kim, Yong-Ha
    • Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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    • v.14 no.3
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    • pp.59-67
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    • 2000
  • This paper describes the unified reliability evaluation with partial loss of continuity for Inchon international airport distribution system which is complex and difficult system to implement. To evaluate reliability considering line limitation and voltage drop of the system, PLOC technique which is based on deterministic evaluation technique and failure mode & effective analysis method is employed. And reliability indices calculation method is used. Finally, to evaluate the system performance and to improve the reliability of the system, Analytic network process method is employed. As a result, calculating accurate reliability, finding weak points, and expansion scheduling of the system is possible.

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Reliability Evaluation of Distribution System Via Analytic Network Process (망상형 의사결정법에 의한 배전계통 신뢰성 평가)

  • Kim, Yong-Ha;Lee, Buhm;Choi, Sang-Kyu
    • The Transactions of the Korean Institute of Electrical Engineers A
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    • v.50 no.10
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    • pp.447-453
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    • 2001
  • This paper presents the unified reliability evaluation technique of distribution system. To calculate accurate reliabi1ity and reliability indices which can consider line limitation and voltage drop of distribution system, we employed the deterministic evaluation technique with PLOC technique. And to evaluate the distribution system, we presented the evaluating method which is based on Analytic network process. As a result, we can evaluate the distribution system and build the expansion planning of the system considering system load and reliability indices.

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Reliability Assessment by Reliability Indices Unification (신뢰도지수 종합화에 의한 배전계통 신뢰성 평가)

  • Lee, Buhm;Kim, Yong-Ha;Choi, Sang-Kyu;Lee, Hyung-Ro;Kim, Hyung-Jung
    • Proceedings of the KIEE Conference
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    • 2000.07a
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    • pp.541-543
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    • 2000
  • This paper describes the unified reliability evaluation with partial loss of continuity for complex distribution system. To evaluate reliability considering line limitation of the system, PLOC technique is employed. And reliability indices calculation method is used. Finally, Analytic network process method is employed. As a result, calculating accurate reliability, finding weak points, and expansion scheduling of the system is possible.

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Comparison of External Information Performance Predicting Subcellular Localization of Proteins (단백질의 세포내 위치를 예측하기 위한 외부정보의 성능 비교)

  • Chi, Sang-Mun
    • Journal of KIISE:Software and Applications
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    • v.37 no.11
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    • pp.803-811
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    • 2010
  • Since protein subcellular location and biological function are highly correlated, the prediction of protein subcellular localization can provide information about the function of a protein. In order to enhance the prediction performance, external information other than amino acids sequence information is actively exploited in many researches. This paper compares the prediction capabilities resided in amino acid sequence similarity, protein profile, gene ontology, motif, and textual information. In the experiments using PLOC dataset which has proteins less than 80% sequence similarity, sequence similarity information and gene ontology are effective information, achieving a classification accuracy of 94.8%. In the experiments using BaCelLo IDS dataset with low sequence similarity less than 30%, using gene ontology gives the best prediction accuracies, 93.2% for animals and 86.6% for fungi.

Fault Detection System Design and HILS Evaluation for the Smart UAV FCS

  • Nam, Yoon-Su;Jang, Hu-Yeong;Hong, Sung-Kyung;Park, Sung-Su
    • International Journal of Control, Automation, and Systems
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    • v.5 no.1
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    • pp.104-109
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    • 2007
  • This paper is about a redundancy management system design for the Smart UAV(unmanned aerial vehicle) which utilizes the tilt..rotor mechanism. In order to meet the safety requirement on the PLOC(probability of loss of control) of $1.7{\times}10^{-5}$ per flight hour for FCS (flight control system) failures, a digital FCS is mechanized with a dual redundant structure. A fault detection system which is composed of a CCM(cross channel monitor) and analytic redundancy using the Kalman filtering is designed, and its effectiveness is evaluated through experiments. A threshold level and persistence count for managing redundant sensors are designed based on the statistical analysis of the FCS sensors. To increase the survivability of the UAV after the loss of critical sensors in the SAS(stability augmentation system) and to provide reference information for a tie-breaking condition at which an ILM(in-line monitor) cannot distinguish the faulty channel between two operating ones, the Kalman filter approach is investigated.