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Application of design of experiments in the optimization of CFRC drilling process 试验设计在CFRC钻孔工艺优化中的应用
新能源 Pub Date : 2014-12-01 DOI: 10.1109/NCETNRESEM.2014.7088732
K. Krishna Sastry, V. S. Rao
{"title":"Application of design of experiments in the optimization of CFRC drilling process","authors":"K. Krishna Sastry, V. S. Rao","doi":"10.1109/NCETNRESEM.2014.7088732","DOIUrl":"https://doi.org/10.1109/NCETNRESEM.2014.7088732","url":null,"abstract":"The rapid technological development in materials division of Industrial sector, has created curiosity among research community to develop innovative materials with the specified characteristics. One such material is Carbon Fibre Reinforced Carbon (CFRC) composite material, which is used mostly in the fabrication of advanced structures like space shuttles, battle field tanks, missiles etc. Generally these composites are very expensive and the addition of drilling cost of these materials makes them still expensive. Hence, careful selection of proper drilling parameters is required to machine these special composites. The prime objective of this paper is to investigate experimentally to determine the optimal drilling parameters by using GRA method. The drilling experiments were carried out on a CFRC composite plate with TiN coated carbide tool on the computer numerically controlled drilling machine.","PeriodicalId":71630,"journal":{"name":"新能源","volume":"62 1","pages":"15-21"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79540813","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
Analysis of solar based closed loop DC-DC converter using PID and fuzzy logic control for separately excited motor drive 应用PID和模糊逻辑控制的太阳能闭环DC-DC变换器的分励电机驱动分析
新能源 Pub Date : 2014-12-01 DOI: 10.1109/NCETNRESEM.2014.7088751
S. Jayaprakash, V. Ramakrishnan
{"title":"Analysis of solar based closed loop DC-DC converter using PID and fuzzy logic control for separately excited motor drive","authors":"S. Jayaprakash, V. Ramakrishnan","doi":"10.1109/NCETNRESEM.2014.7088751","DOIUrl":"https://doi.org/10.1109/NCETNRESEM.2014.7088751","url":null,"abstract":"This paper presents a analysis of solar based closed loop DC-DC Converter using PID and Fuzzy Logic Control for separately Excited motor drive. Solar panel output is given to full bridge converter, step-up transformer, full wave converter, LC filter and separately excited motor drive are connected. Comparator compare the set value and the output signal of the motor produce a signal, based on the signal, full wave converter produce the voltage to run the motor. The circuit with all the component parameters operate at zero-voltage switching which retains the high circuit efficiency. speed of motor, Torque and Armature current, Rise time, Peak time, Settling time and Steady state error are measured and evaluated by experimental. A circuit operation and simulation designed for a 220v dc output arrived and tested.","PeriodicalId":71630,"journal":{"name":"新能源","volume":"34 1","pages":"118-122"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83119674","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
Design and analysis of fuel cell for standalone renewable energy system 独立式可再生能源系统燃料电池的设计与分析
新能源 Pub Date : 2014-12-01 DOI: 10.1109/NCETNRESEM.2014.7088761
A. Samson, A. Kumar
{"title":"Design and analysis of fuel cell for standalone renewable energy system","authors":"A. Samson, A. Kumar","doi":"10.1109/NCETNRESEM.2014.7088761","DOIUrl":"https://doi.org/10.1109/NCETNRESEM.2014.7088761","url":null,"abstract":"Summary form only given: The aim of this paper is to investigate the mathematical behavior of a PEM fuel cell in order to improve the efficiency of the system. Hydrogen is expected to play a major role in future energy economy in this context and fuel cells have shown a significant potential as an efficient solution for harnessing energy of hydrogen. The polymer electrolyte membrane fuel cells (PEMFCs) is the preferred fuel cell for the standalone systems due to their inherent virtue of being compact with quick start-up and higher efficiencies with very low emissions. When this systems is employed in standalone systems that are subjected to changes in load and external operating conditions, making it important to investigate the performance of the system. This is achieved by developing a mathematical model of PEM Fuel cell using MATLAB/Simulink and it is further connected to a boost connecter to obtain a desired output.","PeriodicalId":71630,"journal":{"name":"新能源","volume":"39 1","pages":"170-175"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85732686","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: 3
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