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Optimal generation scheduling in power system using frequency prediction through ANN under ABT environment

Simarjit KAUR, Yajvender Pal VERMA, Sunil AGRAWAL

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 468-478 doi: 10.1007/s11708-013-0282-6

Abstract: In this paper, the GS problem is solved to perform the unit commitment (UC) based on frequency predictionThe introduction of availability-based tariff (ABT) signifies the importance of frequency in GS.The performance of the frequency predictor model has been evaluated based on the absolute percentagewhich reduces the overall system cost of the state utility by keeping off the dearer units selected based

Keywords： artificial neural network (ANN)     frequency prediction     availability-based tariff (ABT)     generation scheduling    

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Aerobic granular sludge formation based on substrate availability: Effects of flow pattern and fermentation

Quan Yuan, Hui Gong, Hao Xi, Kaijun Wang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1226-0

Abstract: plug-flow) and fermentation pretreatment on aerobic granular sludge (AGS) formation with various substrate availability

Keywords： Anaerobic plug-flow feeding mode     Anaerobic mixed-flow mode     Fermentation pretreatment     Substrate gradient     Penetration depth    

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Availability growth models and verification of power equipment

Jinyuan SHI, Jiamin XU

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 529-538 doi: 10.1007/s11708-019-0624-0

Abstract: The general availability growth models for large scale complicated repairable system such as electricThe calculation formulas for the maintenance coefficient, mathematical expressions for general availabilityAvailability growth models for electric generating units, power station auxiliaries, and transmissionand distribution installations are given together with verification examples for availability growthgrowth models conform to rules of availability growth tendency of power equipment.

Keywords： electric generating unit     power station auxiliary     transmission and distribution installation     reliability     availability     availability growth model    

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Bridging reliability and operations management for superior system availability: Challenges and opportunities

Frontiers of Engineering Management   Pages 391-405 doi: 10.1007/s42524-022-0206-4

Abstract: decisions under an integrated reliability-maintenance-inventory framework for attaining superior system availability

Keywords： system availability     product-service integration     installed base     new product introduction     service supply    

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Analyzing the service availability of mobile cloud computing systems by fluid-flow approximation

Hong-wu LV,Jun-yu LIN,Hui-qiang WANG,Guang-sheng FENG,Mo ZHOU

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 7,   Pages 553-567 doi: 10.1631/FITEE.1400410

Abstract: However, at present, the service availability of MCC is usually measured by some certain metrics of aMeanwhile, for large-scale and complex types of services in MCC systems, simulation-based methods (suchas Monte-Carlo simulation) may be costly and the traditional state-based methods always suffer fromExperimental results show that our method costs less time in analyzing the service availability of MCCthan the Markov- or simulation-based methods.

Keywords： Service availability     Mobile cloud computing     Fluid-flow approximation     Ordinary differential equations    

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Costs and prices for renewable energy development in industrialized countries and applications to China

Hugo SALAMANCA, Miao CHANG, Xin TIAN

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 3,   Pages 403-411 doi: 10.1007/s11783-011-0350-2

Abstract: Developing renewable energy is now becoming a hot topic as it is important in dealing with climate change issue and energy supply issue. With the growing demand of energy, it has become urgent to develop the effective policies and measures that would enable people to maintain the living standards. Among all the measures, price is an essential one. In order to evaluate the costs and prices of the electricity from renewable energy sources (RES-E) and their effects to the market, this paper firstly focus on the extra costs of the RES-E by breaking it into four parts, including investment, construction, connection and operation. Then, the policy choices made in some typical industrialized countries are examined to find answers to the problems RES-E can raise. Finally, the choices made in China are examined in comparison to industrialized countries so as to determine how the current situation could be improved.

Keywords： renewable energy     public policy     costs     prices     renewable portfolio     feed-in tariff    

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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: The equivalent availability factor is used to measure the reliability, and the equivalent availabilityThe numerical model based on the maintenance factor predicts the equivalent availability factor deductingUsing these factors, the equivalent availability factor of nuclear power units in the following 3 yearsBesides, the equivalent availability factor can be predicted by using the historical statistics of planedIt is found that the relative errors of the predicted equivalent availability factors for nuclear power

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

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Study of a High-Availability Dual Computer System with Fault Tolerant Architecture

Jin Shiyao,Hu Huaping,Li Hongliang

Strategic Study of CAE 1999, Volume 1, Issue 3,   Pages 46-50

Abstract:

To ensure the high availability, the duplex-computer system with fault tolerance architecture is usedIn this paper, there are great progresses in the analysis of availability, the judgement over of two

Keywords： availability     duplex system     fault judgement ratio     switch success ratio    

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ACSL5, a prognostic factor in acute myeloid leukemia, modulates the activity of Wnt/-catenin signaling by palmitoylation modification

Frontiers of Medicine 2023, Volume 17, Issue 4,   Pages 685-698 doi: 10.1007/s11684-022-0942-1

Abstract: pan-ACS family inhibitor, inhibited cell growth and robustly induced cell apoptosis when combined with ABT

Keywords： acute myeloid leukemia     acyl-CoA synthetase long chain family member 5     Wnt3a     palmitoylation     ABT-199    

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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. Ways for estimating and fitting on checking the model’s parameters are given together with analysis results concerning the reliability growth of 300MW pumped-storage power units. On site operation, reliability data show that the reliability growth model conforms to rules of reliability growth tendency. Analysis results of reliability growth indicate that measures taken for improving maintenance and operation by the pumped-storage power companies are effective and that the reliability of the 300MW pumped-storage power units exhibits a rising tendency.

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

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Big data storage technologies: a survey Review

Aisha SIDDIQA, Ahmad KARIM, Abdullah GANI

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 8,   Pages 1040-1070 doi: 10.1631/FITEE.1500441

Abstract: There is a great thrust in industry toward the development of more feasible and viable tools for storing fast-growing volume, velocity, and diversity of data, termed ‘big data’. The structural shift of the storage mechanism from traditional data management systems to NoSQL technology is due to the intention of fulfilling big data storage requirements. However, the available big data storage technologies are inefficient to provide consistent, scalable, and available solutions for continuously growing heterogeneous data. Storage is the preliminary process of big data analytics for real-world applications such as scientific experiments, healthcare, social networks, and e-business. So far, Amazon, Google, and Apache are some of the industry standards in providing big data storage solutions, yet the literature does not report an in-depth survey of storage technologies available for big data, investigating the performance and magnitude gains of these technologies. The primary objective of this paper is to conduct a comprehensive investigation of state-of-the-art storage technologies available for big data. A well-defined taxonomy of big data storage technologies is presented to assist data analysts and researchers in understanding and selecting a storage mechanism that better fits their needs. To evaluate the performance of different storage architectures, we compare and analyze the existing approaches using Brewer’s CAP theorem. The significance and applications of storage technologies and support to other categories are discussed. Several future research challenges are highlighted with the intention to expedite the deployment of a reliable and scalable storage system.

Keywords： NoSQL databases     Distributed databases     CAP theorem     Scalability     Consistency- partition resilience     Availability-partition    

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SA-RSR: a read-optimal data recovery strategy for XOR-coded distributed storage systems Research Articles

Xingjun ZHANG, Ningjing LIANG, Yunfei LIU, Changjiang ZHANG, Yang LI

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 6,   Pages 858-875 doi: 10.1631/FITEE.2100242

Abstract:

To ensure the reliability and availability of data, redundancy strategies are always required for

Keywords： Distributed storage system     Data reliability and availability     XOR-based erasure codes     Single-node failure    

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Availability of wind energy resource potential for power generation at Jos, Nigeria

O. O. Ajayi, R. O. Fagbenle, J. Katende, J. O. Okeniyi

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 376-385 doi: 10.1007/s11708-011-0167-5

Abstract: The objective of this study was to assess the potential viability of the wind resource potential in Jos, Plateau state, Nigeria for power generation. The monthly mean wind speeds that span from 1987 to 2007 were employed to statistically analyze the monthly, annual and seasonal potentials of the wind energy resources at the site. Besides, the results were employed together with two models of wind energy conversion system to simulate the likely average output power. The outcome showed that Jos was suitable as a site for wind farm projects of varying sizes and that MW·h to GW·h of electricity is likely to be produced per period of months, seasons and years. The average wind speed range at the site was also estimated to be between 6.7 and 11.8 m/s across the months, years and seasons.

Keywords： green electricity     renewable resources     Weibull statistics     Jos     Nigeria    

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Trends and Key Technologies of High Performance Computers

Jin Yilian,Huang Yongqin,Chen Zuoning,Gui Yadong,Qi Fengbin

Strategic Study of CAE 2001, Volume 3, Issue 6,   Pages 1-8

Abstract: computers, key technologies of massively parallel processing (MPP) including scalability, friendliness and availability

Keywords： massively parallel processing     system efficiency     system software     parallel compiling     scalability     availability    

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Anefficient data layout scheme for better I/O balancing inRAID-6 storage systems

Ping XIE,Jian-zhong HUANG,Er-wei DAI,Qiang CAO,Chang-sheng XIE

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 5,   Pages 335-345 doi: 10.1631/FITEE.1400362

Abstract: Among redundant arrays of independent disks (RAID)-6 codes, maximum distance separable (MDS) based RAID

Keywords： RAID-6     Data availability     High performance     I/O balancing    

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Title Author Date Type Operation

Optimal generation scheduling in power system using frequency prediction through ANN under ABT environment

Simarjit KAUR, Yajvender Pal VERMA, Sunil AGRAWAL

Journal Article

Aerobic granular sludge formation based on substrate availability: Effects of flow pattern and fermentation

Quan Yuan, Hui Gong, Hao Xi, Kaijun Wang

Journal Article

Availability growth models and verification of power equipment

Jinyuan SHI, Jiamin XU

Journal Article

Bridging reliability and operations management for superior system availability: Challenges and opportunities

Journal Article

Analyzing the service availability of mobile cloud computing systems by fluid-flow approximation

Hong-wu LV,Jun-yu LIN,Hui-qiang WANG,Guang-sheng FENG,Mo ZHOU

Journal Article

Costs and prices for renewable energy development in industrialized countries and applications to China

Hugo SALAMANCA, Miao CHANG, Xin TIAN

Journal Article

Reliability prediction and its validation for nuclear power units in service

Jinyuan SHI,Yong WANG

Journal Article

Study of a High-Availability Dual Computer System with Fault Tolerant Architecture

Jin Shiyao,Hu Huaping,Li Hongliang

Journal Article

ACSL5, a prognostic factor in acute myeloid leukemia, modulates the activity of Wnt/-catenin signaling by palmitoylation modification

Journal Article

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

Jinyuan SHI , Yu YANG , Zhicheng DENG ,

Journal Article

Big data storage technologies: a survey

Aisha SIDDIQA, Ahmad KARIM, Abdullah GANI

Journal Article

SA-RSR: a read-optimal data recovery strategy for XOR-coded distributed storage systems

Xingjun ZHANG, Ningjing LIANG, Yunfei LIU, Changjiang ZHANG, Yang LI

Journal Article

Availability of wind energy resource potential for power generation at Jos, Nigeria

O. O. Ajayi, R. O. Fagbenle, J. Katende, J. O. Okeniyi

Journal Article

Trends and Key Technologies of High Performance Computers

Jin Yilian,Huang Yongqin,Chen Zuoning,Gui Yadong,Qi Fengbin

Journal Article

Anefficient data layout scheme for better I/O balancing inRAID-6 storage systems

Ping XIE,Jian-zhong HUANG,Er-wei DAI,Qiang CAO,Chang-sheng XIE

Journal Article