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Research of network storage system based on erasure code 基于纠删码的网络存储系统研究
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6022994
Kechao Wang, Z. Jia, Mingkui Zong, Jingwei Yu
{"title":"Research of network storage system based on erasure code","authors":"Kechao Wang, Z. Jia, Mingkui Zong, Jingwei Yu","doi":"10.1109/EMEIT.2011.6022994","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6022994","url":null,"abstract":"Data availability is one of the most important properties of the network storage system. Data redundancy is the basic method to improve data availability. Thus some systems use replication to protect against data loss. This paper designs a network storage system based on erasure code, researches data place strategy and data read write operation flow, analyzes data availability and storage overhead of the erasure code strategy and the replication strategy, draws the conclusion that erasure code strategy can greatly improve data availability.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126610800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The research of software reliability measure based on conditional value at risk 基于条件风险值的软件可靠性测度研究
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023741
Xiao-mei Zhu, Qun-yan Zhang, Xin Ren
{"title":"The research of software reliability measure based on conditional value at risk","authors":"Xiao-mei Zhu, Qun-yan Zhang, Xin Ren","doi":"10.1109/EMEIT.2011.6023741","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023741","url":null,"abstract":"The research on software reliability is one of the main research contents in the software engineering. At present, the research on software reliability mostly focuses on the software reliability analysis in the conventional condition, and the study on software reliability problems at extreme conditions is less. This article introduces the theory of conditional value at risk in the financial risk management to study the problems of software reliability at extreme conditions. The data simulation illustrates the application process of this theory, the conclusions show that this method has a certain application value, which can play a supplementary function for the study of software reliability.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121512631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Determination of five flavonoids in honeys by HPLC-ESI-MS/MS HPLC-ESI-MS/MS法测定蜂蜜中5种黄酮类化合物的含量
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023446
Xiaoli Hao, Fang Chen, Ying-bo Zhao, Hongfang Tian
{"title":"Determination of five flavonoids in honeys by HPLC-ESI-MS/MS","authors":"Xiaoli Hao, Fang Chen, Ying-bo Zhao, Hongfang Tian","doi":"10.1109/EMEIT.2011.6023446","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023446","url":null,"abstract":"A quantitative and quantitative method was established for determining 5 flavonoids in honeys by high performance chromatography-tendemmass/mass(HPLC-MS/MS). The samples were dissolved by deionized water, and then extracted by hexane-ethyl acetate solution with volume ratio of l:l, and the extract were centrifuged and evaporated. The residue were dissolved by methanol. The chromatography separation was performed on a C18 column with a gradient elution programmer using the mixture of methanol and 0.1% aqueous formic acid as mobile phase. The mass spectrometry equipped with an electrospray ionization source(ESI) was operated in the negative mode using multiple reaction monitoring(MRM). The linear relationship of the method was very obvious and the 5 flavonoids limits of quantization (LOQ) were 1.5μg/kg, the average spike recoveries situated between 64%∼89%, and the relative standard deviation(RSD) were 2.2%∼8.4%. The method is outstanding due to its precision and excellent separation effect and can be used for the determination of flavonoids in honey.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127553029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design of indoor swimming pool water temperature control system based on fuzzy controller and Smith predictor 基于模糊控制器和Smith预测器的室内游泳池水温控制系统设计
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6024079
D. Yang, Yonghong Huang, Gaohong Xu
{"title":"Design of indoor swimming pool water temperature control system based on fuzzy controller and Smith predictor","authors":"D. Yang, Yonghong Huang, Gaohong Xu","doi":"10.1109/EMEIT.2011.6024079","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6024079","url":null,"abstract":"All modern indoor swimming pools have a large volume, the water temperature control system is the serious delay and serious inertia nonlinear system. The traditional PLC control system based on PID controller can not meet the control requirements. This paper presents an integrated control system composed of a fuzzy automatic optimization algorithm and the Smith predictor compensator to adjust the temperature of pool water. Experiments and applications show that the proposed control scheme to solve the serious delay and serious inertia system can achieve good control effect.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116642351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on the application of green function approximation in the quantum super magnets 格林函数近似在量子超磁体中的应用研究
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023201
B. Geng
{"title":"Research on the application of green function approximation in the quantum super magnets","authors":"B. Geng","doi":"10.1109/EMEIT.2011.6023201","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023201","url":null,"abstract":"The quantum super magnets is researched by Green function theory in this paper, the problems in the quantum super magnets are settled by particle and spin Green function theory, especially settling the orderly magnetic of quantum. The application of Green function in the ferromagnetic and reverse magnetism and magnetic ferrous are maily studied.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117246540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on virtual soldier's behavior modeling in urban battlefield simulation 城市战场仿真中虚拟士兵行为建模研究
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023542
Ai-lan Li, Bo-wei Cao
{"title":"Study on virtual soldier's behavior modeling in urban battlefield simulation","authors":"Ai-lan Li, Bo-wei Cao","doi":"10.1109/EMEIT.2011.6023542","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023542","url":null,"abstract":"Modeling the behavior of the virtual soldiers, the modeling technology in the field of military simulation, is very important to study the virtual soldiers in the urban battlefield, for the reason of the needs of military simulation technology and the field of national defense. Based on the definition the virtual soldiers and behavior modeling, this article also describes the requirement of modeling behavior of the virtual soldier, and then presents a model framework for the virtual soldiers.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128171849","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Algorithm and strategy research of generating test paper for large scale online examination 大规模在线考试试卷生成算法与策略研究
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023042
G. Zhou, Tingting Liu, Xinxin Liu
{"title":"Algorithm and strategy research of generating test paper for large scale online examination","authors":"G. Zhou, Tingting Liu, Xinxin Liu","doi":"10.1109/EMEIT.2011.6023042","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023042","url":null,"abstract":"Algorithm and strategy directly affect the success rate, efficiency and quality of generating test paper. From the analysis of the usual requirement of the user proposition and the result of test paper, the algorithm of generating test paper based on the degree of difficulty is put forward as the strategy of step deals from the and the weight average model and discrete variable random binomially distributed model.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122839943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Simulation of the self-sensing actuators based on multi-piezoelectric effects of piezoelectric crystal 基于压电晶体多压电效应的自传感作动器仿真
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023404
Lijing Wang, Liping Shi
{"title":"Simulation of the self-sensing actuators based on multi-piezoelectric effects of piezoelectric crystal","authors":"Lijing Wang, Liping Shi","doi":"10.1109/EMEIT.2011.6023404","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023404","url":null,"abstract":"Based on the theory of classical piezoelectricity and the rapid development of piezoelectric material today, it has become possible to integrate structure and function of sensor with actuators into the single piezoelectric element. This paper analyzes and simulates integrated sensor-actuators using coupled-field analysis function in the finite element analysis software ANSYS for 3-D finite element model which of models is PZT-5 piece. In the beginning of positive piezoelectric effect, the results show that voltage and displacement generated by secondary converse piezoelectric effects respectively have linear relationship with the applied outside force. The simulation results are proved that the functions of sensors and actuators can be integrated in the single piezoelectric crystal.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124409844","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design and implementation of PDA-based mobile inquiring system for oil well logging information 基于pda的移动测井信息查询系统的设计与实现
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6022838
Dejun Liu, Dali Gong, Zhonghua Ma, Yue Liu
{"title":"Design and implementation of PDA-based mobile inquiring system for oil well logging information","authors":"Dejun Liu, Dali Gong, Zhonghua Ma, Yue Liu","doi":"10.1109/EMEIT.2011.6022838","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6022838","url":null,"abstract":"This article describes the PDA-based mobile inquiring system of oil well information and show the design of the systems. PDA-based mobile monitoring system for oil wells using the TCP/IP communication mechanism, the client PDA terminal through the WIFI and GPRS switch-in the data center. As the Web-Service provides the data service, one can carry on the dynamic monitor to the oil well and realize the dynamics of safety management, which improves staff efficiency effectively. This system has applied in the oil field monitoring system, provides the effective information technology support for the oil well site dispatching decision making, and improves the rapid reaction capability and work efficiency greatly.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121416015","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The simulation analysis of the centroid offset effects on braking performance 质心偏移对制动性能影响的仿真分析
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023013
Bing Li, Jiangwei Chu
{"title":"The simulation analysis of the centroid offset effects on braking performance","authors":"Bing Li, Jiangwei Chu","doi":"10.1109/EMEIT.2011.6023013","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023013","url":null,"abstract":"In order to study centroid offset of the vehicle affects on the braking performance and the longitudinal and horizontal offset of the centroid affects on the stability, it analyses theoretically the relation between centroid position and braking performance. And it establishes the whole vehicle's model through simulation soft ADAMS/CAR of the dynamics and analyses the relation between longitudinal offset and the rotate speed and between horizontal offset and heading angle; the same condition, it analyses that horizontal offset of the centroid affects on horizontal replacement and heading angle. The Simulation result indicates : while the centroid moves longitudinal and forward, lateral stability becomes worse and while the centroid moves backward can increase to braking stability, but it makes easily the front wheel lose the turning ability; while the centroid happens to horizontal offset and along with the offset gradually increase, horizontal replacement and heading angle increase notability. It the centroid can be controlled while the vehicle brakes may enhance security of the vehicle.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"125 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116847959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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