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Study of operation reliability based on diagnosis information for mechanical equipment

He Zhengjia,Cai Gaigai,Shen Zhongjie,Cao Hongrui,Li Bing

Strategic Study of CAE 2013, Volume 15, Issue 1, Pages 9-14

Abstract: This study proposes two operation reliability assessment methods which use running condition monitoringThe reliability degree, an important reliability index, is transformed by using the normalized waveletinformation entropy to assess operation reliability for running equipment.A new operation reliability assessment index called membership reliability degree is defined and an operationSuccessful applications have been achieved to assess operation reliability of an oxy-generator compressor

Keywords： mechanical equipment operation reliability normalized information entropy membership reliability degree

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Reliability evaluation of future photovoltaic systems with smart operation strategy

Amir AHADI,Hosein HAYATI,Seyed Mohsen MIRYOUSEFI AVAL

Frontiers in Energy 2016, Volume 10, Issue 2, Pages 125-135 doi: 10.1007/s11708-015-0392-4

Abstract: This paper investigates a new operation strategy for photovoltaic (PV) systems, which improves the overallreliability of the system as a result of the improvement in the reliability of the critical componentsFirst, a mathematical model is proposed using the fault tree analysis (FTA) to estimate the reliabilityThe impact of smart operation strategy on the PV systems is then evaluated.The objective of this paper is to develop plans for improving the reliability of PV systems.

Keywords： smart operation strategy renewable energy fault tree analysis (FTA) Markov model

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Operation safety risk analysis method of hydropower project considering time-dependent effect

Zhang Sherong,YanLei

Strategic Study of CAE 2011, Volume 13, Issue 12, Pages 51-55

Abstract: On the basis of analyzing the structure characteristics and mode of operation, the operation safety riskestablished on the comprehensive application of the improved analytic hierarchy process, the time-dependent reliabilityThe example shows that operation safety risk rate is closely related to both the service period and designIt could provide scientific basis for the operation safety and risk decision of the hydropower project

Keywords： operation safety of hydropower project risk analysis risk rate assessment time-dependent reliability

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Neural Operation Management: A New Avenue for Productive and Military Operations

Qing-guo Ma

Frontiers of Engineering Management 2014, Volume 1, Issue 3, Pages 304-307 doi: 10.15302/J-FEM-2014039

Abstract: the operator’s capabilities in cognition, judgment and decision-making has drawn much attention from operationMonitoring and evaluation of these capabilities is especially significant in conditions such as long-time operation, operation with special properties and operation under special circumstances.and then to give real time intervention, so as to reduce the occurrence of accidents and increase the operation

Keywords： operation management productive operation military operation neural operation management neuromanagement

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Current status and prospects of reliability systems engineering in China

Frontiers of Engineering Management 2021, Volume 8, Issue 4, Pages 492-502 doi: 10.1007/s42524-021-0172-2

Abstract: This study provides a systematic overview of the advent and evolution of reliability systems engineering

Keywords： reliability effectiveness model-based systems engineering reliability systems engineering

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Human reliability in maintenance task

Pacaiova HANA,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2, Pages 184-188 doi: 10.1007/s11465-010-0002-4

Abstract: The importance of considering the reliability of maintenance tasks and the method to reach it are also

Keywords： maintenance risk assessment failure reliability prevention

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An overview of the reliability metrics for power grids and telecommunication networks

Frontiers of Engineering Management 2021, Volume 8, Issue 4, Pages 531-544 doi: 10.1007/s42524-021-0167-z

Abstract: In this study, we conduct a comprehensive overview of the development of reliability metrics for powerThe main purpose of this review is to promote and support the formulation of communication network reliabilitymetrics with reference to the development of power grid reliability.We classify the metrics of power grid into the reliability of power distribution and generation/transmissionThen, we exhibit and discuss the difference between the situations of the reliability metrics of the

Keywords： reliability metrics power grids telecommunication networks

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System reliability and system resilience

Frontiers of Engineering Management 2021, Volume 8, Issue 4, Pages 615-619 doi: 10.1007/s42524-021-0176-y

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Special issue: Reliability management of complex system

Frontiers of Engineering Management 2021, Volume 8, Issue 4, Pages 477-479 doi: 10.1007/s42524-021-0175-z

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Reliability design method for steam turbine blades

SHI Jinyuan

Frontiers in Energy 2008, Volume 2, Issue 4, Pages 363-368 doi: 10.1007/s11708-008-0073-7

Abstract: The purport and calculation method for blade reliability are expounded.The fatigue strength and the vibration design reliability of turbine blades are determined with the aidSome blade reliability design calculation formulas for a dynamic stress design method, a safety ratiodesign method for fatigue strength, and a vibration reliability design method for the first and secondThis research may provide some scientific basis for reliability design of steam turbine blades.

Keywords： design reliability force probability purport reliability design

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A reliability growth model for 300?MW pumped-storage power units

Jinyuan SHI , Yu YANG , Zhicheng DENG ,

Frontiers in Energy 2009, Volume 3, Issue 3, Pages 337-340 doi: 10.1007/s11708-009-0032-y

Abstract: A reliability growth model for pumped-storage power units is presented.fitting on checking the model’s parameters are given together with analysis results concerning the reliabilityOn site operation, reliability data show that the reliability growth model conforms to rules of reliabilityAnalysis results of reliability growth indicate that measures taken for improving maintenance and operationby the pumped-storage power companies are effective and that the reliability of the 300MW pumped-storage

Keywords： pump-storage power unit availability reliability growth reliability prediction

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An exploratory study for predicting component reliability with new load conditions

Zhengwei HU, Xiaoping DU

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 1, Pages 76-84 doi: 10.1007/s11465-018-0522-x

Abstract: Reliability is important to design innovation.For many existing components used in the new product, their reliability will change because the appliedThen the new reliability must be re-evaluated.with new Loads given the following information: The original reliability of the component with respectSince the information is limited, the re-evaluated component reliability is given by its maximum and

Keywords： reliability component failure mode prediction random variable

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Principle of maximum entropy for reliability analysis in the design of machine components

Yimin ZHANG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 1, Pages 21-32 doi: 10.1007/s11465-018-0512-z

Abstract: We studied the reliability of machine components with parameters that follow an arbitrary statisticalWe obtained the first four moments of the state function for reliability analysis and design.This function was used to calculate the reliability of the machine components, including a connectingThis study provides a design methodology for the reliability of mechanical components for practical engineering

Keywords： machine components reliability arbitrary distribution parameter principle of maximum entropy

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Reliability prediction and its validation for nuclear power units in service

Jinyuan SHI,Yong WANG

Frontiers in Energy 2016, Volume 10, Issue 4, Pages 479-488 doi: 10.1007/s11708-016-0425-7

Abstract: In this paper a novel method for reliability prediction and validation of nuclear power units in serviceThe equivalent availability factor is used to measure the reliability, and the equivalent availabilityBy statistical analysis of historical reliability data, the statistical maintenance factor and the undeterminedElectric Reliability Council (NERC) and China.effective reliability management and maintenance optimization methods for nuclear power units.

Keywords： nuclear power units in service reliability reliability prediction equivalent availability factors

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A PDEM-based perspective to engineering reliability: From structures to lifeline networks

Jie LI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5, Pages 1056-1065 doi: 10.1007/s11709-020-0636-1

Abstract: Research of reliability of engineering structures has experienced a developing history for more thanHowever, the problem of how to resolve the global reliability of structural systems still remains openfrom the research of probability density evolution theory in recent years, the physics-based system reliabilityIn conjunction of physical equations and structural failure criteria, a general engineering reliabilityillustrative purposes, several cases are studied which prove the value of the proposed engineering reliability

Keywords： PDEM reliability structure lifeline networks