Pub Date : 2010-10-07DOI: 10.1109/ICMET.2010.5598406
Hui Huang, Yongqiu Jiang, Zhao Xiaojing
As main load-bearing member, Concreted Filled Steel Column (CFSC) has been widely used in buildings and bridge structures. Research on bearing capacity of CFSC, especially under temperature load, was carried out mainly on the basis of experiments. In this paper, inverse method of elastic theory is adopted to introduce Airy stress function for study on CFSC under axial pressure and temperature load. And the analytical expressions for stress of steel tube and concrete, interaction forces between them, and internal temperature of the column are obtained. Based on the abovementioned expressions, it is concluded that temperature, radial stress, and normal stress in the same plane of CFSC are functions of the radius. And the internal temperature can only be affected by thermal conductivity coefficient of steel tube and concrete; the radial stress and normal stress are affected not only by the stiffness, but also by the thermal conductivity coefficient of steel and concrete.
{"title":"Three-dimensional exact solution Concrete Filled Steel Column under pressure composite to thermal load","authors":"Hui Huang, Yongqiu Jiang, Zhao Xiaojing","doi":"10.1109/ICMET.2010.5598406","DOIUrl":"https://doi.org/10.1109/ICMET.2010.5598406","url":null,"abstract":"As main load-bearing member, Concreted Filled Steel Column (CFSC) has been widely used in buildings and bridge structures. Research on bearing capacity of CFSC, especially under temperature load, was carried out mainly on the basis of experiments. In this paper, inverse method of elastic theory is adopted to introduce Airy stress function for study on CFSC under axial pressure and temperature load. And the analytical expressions for stress of steel tube and concrete, interaction forces between them, and internal temperature of the column are obtained. Based on the abovementioned expressions, it is concluded that temperature, radial stress, and normal stress in the same plane of CFSC are functions of the radius. And the internal temperature can only be affected by thermal conductivity coefficient of steel tube and concrete; the radial stress and normal stress are affected not only by the stiffness, but also by the thermal conductivity coefficient of steel and concrete.","PeriodicalId":415118,"journal":{"name":"2010 International Conference on Mechanical and Electrical Technology","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125449121","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}
Pub Date : 2010-10-07DOI: 10.1109/ICMET.2010.5598485
U. S. Patil, P. Joshi
In this paper, a case study using EDSA® (Electrical Design and Simulation Analysis) software is presented with the objective to minimize the total cost and power losses using an adequate power correction system. A simple four bus system is analyzed to study different tools provided by the software for steady state and transient studies. The user friendly GUI is very advanced and can be effectively used to plot various signals. It is observed that the EDSA is an effective and efficient analytical tool to carry out such studies.
{"title":"Study of advanced power flow analysis for intelligent power and energy systems","authors":"U. S. Patil, P. Joshi","doi":"10.1109/ICMET.2010.5598485","DOIUrl":"https://doi.org/10.1109/ICMET.2010.5598485","url":null,"abstract":"In this paper, a case study using EDSA® (Electrical Design and Simulation Analysis) software is presented with the objective to minimize the total cost and power losses using an adequate power correction system. A simple four bus system is analyzed to study different tools provided by the software for steady state and transient studies. The user friendly GUI is very advanced and can be effectively used to plot various signals. It is observed that the EDSA is an effective and efficient analytical tool to carry out such studies.","PeriodicalId":415118,"journal":{"name":"2010 International Conference on Mechanical and Electrical Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128789641","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}
Pub Date : 2010-10-07DOI: 10.1109/ICMET.2010.5598352
H. Baseri
The surface roughness of workpiece in grinding process is influenced and determined by the disc dressing conditions due to effects of dressing process on the wheel surface topography. In this way, prediction of the surface roughness helps to optimize the disc dressing conditions to improve surface roughness. The objective of this study is to design of a feed forward back propagation neural network (FFBP-NN) for estimation of surface roughness in grinding process using the data generated based on experimental observations when the wheel is dressed using a rotary diamond disc dresser. The input parameters of model are dressing speed ratio, dressing depth and dresser cross-feed rate and output parameter is surface roughness. In the experiment procedure the grinding conditions are constant and only the dressing conditions are varied. The comparison of the predicted values and the experimental data indicates that the predictive model has an acceptable performance to estimation of surface roughness.
{"title":"Workpiece surface roughness prediction in grinding process for different disc dressing conditions","authors":"H. Baseri","doi":"10.1109/ICMET.2010.5598352","DOIUrl":"https://doi.org/10.1109/ICMET.2010.5598352","url":null,"abstract":"The surface roughness of workpiece in grinding process is influenced and determined by the disc dressing conditions due to effects of dressing process on the wheel surface topography. In this way, prediction of the surface roughness helps to optimize the disc dressing conditions to improve surface roughness. The objective of this study is to design of a feed forward back propagation neural network (FFBP-NN) for estimation of surface roughness in grinding process using the data generated based on experimental observations when the wheel is dressed using a rotary diamond disc dresser. The input parameters of model are dressing speed ratio, dressing depth and dresser cross-feed rate and output parameter is surface roughness. In the experiment procedure the grinding conditions are constant and only the dressing conditions are varied. The comparison of the predicted values and the experimental data indicates that the predictive model has an acceptable performance to estimation of surface roughness.","PeriodicalId":415118,"journal":{"name":"2010 International Conference on Mechanical and Electrical Technology","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127744498","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}
Pub Date : 2010-10-07DOI: 10.1109/ICMET.2010.5598433
Chunhui Liu, Yadong Meng, Yanrong Fu
Considering the effects of ABS/ASR, an 8-D nonlinear dynamic model of vehicle was set up. Choosing vehicle slip angle and the yaw velocity as control variables, the ESP optimal controller of vehicle was designed. Simulation on the 8-D nonlinear vehicle with ABS/ASR/ESP control in Matlab/Simulink software environment was described. The simulation suggests, compared with ABS/ASR control, the ESP controller can obtain smaller slip angle and better yaw rate response, the handling and stability performance was particularly improved.
{"title":"Modeling and simulating research of ABS/ASR/ESP integrated control system for automobile","authors":"Chunhui Liu, Yadong Meng, Yanrong Fu","doi":"10.1109/ICMET.2010.5598433","DOIUrl":"https://doi.org/10.1109/ICMET.2010.5598433","url":null,"abstract":"Considering the effects of ABS/ASR, an 8-D nonlinear dynamic model of vehicle was set up. Choosing vehicle slip angle and the yaw velocity as control variables, the ESP optimal controller of vehicle was designed. Simulation on the 8-D nonlinear vehicle with ABS/ASR/ESP control in Matlab/Simulink software environment was described. The simulation suggests, compared with ABS/ASR control, the ESP controller can obtain smaller slip angle and better yaw rate response, the handling and stability performance was particularly improved.","PeriodicalId":415118,"journal":{"name":"2010 International Conference on Mechanical and Electrical Technology","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126453469","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}
Pub Date : 2010-10-07DOI: 10.1109/ICMET.2010.5598407
M. Sohail, Yan Chao, M. Afzal, Zahid Maqbool, M. Younis, S. Naidu
The different shapes of reentry vehicle cone with different radii and cone half angle have been studied and verified with experimental data by using higher order low dissipative scheme of Harten and Yee. A code has been generated to simulate the flow at high Mach number and shock capturing technique has been used for the location of shock waves. The patterns of shock waves and aerodynamics performance have been studied as radius or angle of cone is changed and compared with available experimental data. The developed code by using a flux difference scheme is also validated for the same. Three different geometries with tip to base radius ratios have been simulated at Mach 5.9 at a wide range of angle of attack −4°,−2, 0, 2, 4, 6, 8, 10,12°.
{"title":"Application of higher order low dissipative scheme on hypersonic flow field using a minmod limiter","authors":"M. Sohail, Yan Chao, M. Afzal, Zahid Maqbool, M. Younis, S. Naidu","doi":"10.1109/ICMET.2010.5598407","DOIUrl":"https://doi.org/10.1109/ICMET.2010.5598407","url":null,"abstract":"The different shapes of reentry vehicle cone with different radii and cone half angle have been studied and verified with experimental data by using higher order low dissipative scheme of Harten and Yee. A code has been generated to simulate the flow at high Mach number and shock capturing technique has been used for the location of shock waves. The patterns of shock waves and aerodynamics performance have been studied as radius or angle of cone is changed and compared with available experimental data. The developed code by using a flux difference scheme is also validated for the same. Three different geometries with tip to base radius ratios have been simulated at Mach 5.9 at a wide range of angle of attack −4°,−2, 0, 2, 4, 6, 8, 10,12°.","PeriodicalId":415118,"journal":{"name":"2010 International Conference on Mechanical and Electrical Technology","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129022992","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}
Pub Date : 2010-10-07DOI: 10.1109/ICMET.2010.5598326
Bin Huang, K. Xing, S. Spuzic, K. Abhary
Hot steel rolling is an important manufacturing process used to efficiently provide a wide range of products of high quantity and quality. In order to meet the continuously increasing demands, both an improved quality and a broader variety of products must be delivered along with improvements in efficiency, reliability and sustainability of rolling mill systems. Further development of roll pass design presents one of the central aspects in these efforts. However, to optimize roll pass design, numerous combinations of system parameters must be analyzed and correlated. This cannot be done through a single deterministic model. Therefore, a parameterized hybrid model based on combining cross-disciplinary knowledge is proposed to improve the quality and efficiency of roll pass design. Application of artificial intelligent algorithms is envisaged for the roll pass design optimization and a methodology for constructing the relevant hybrid model is described.
{"title":"Development of parameterized roll pass design based on a hybrid model","authors":"Bin Huang, K. Xing, S. Spuzic, K. Abhary","doi":"10.1109/ICMET.2010.5598326","DOIUrl":"https://doi.org/10.1109/ICMET.2010.5598326","url":null,"abstract":"Hot steel rolling is an important manufacturing process used to efficiently provide a wide range of products of high quantity and quality. In order to meet the continuously increasing demands, both an improved quality and a broader variety of products must be delivered along with improvements in efficiency, reliability and sustainability of rolling mill systems. Further development of roll pass design presents one of the central aspects in these efforts. However, to optimize roll pass design, numerous combinations of system parameters must be analyzed and correlated. This cannot be done through a single deterministic model. Therefore, a parameterized hybrid model based on combining cross-disciplinary knowledge is proposed to improve the quality and efficiency of roll pass design. Application of artificial intelligent algorithms is envisaged for the roll pass design optimization and a methodology for constructing the relevant hybrid model is described.","PeriodicalId":415118,"journal":{"name":"2010 International Conference on Mechanical and Electrical Technology","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128486247","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}
Pub Date : 2010-10-07DOI: 10.1109/ICMET.2010.5598497
B. Murthy, L.L. Raj Rodrigues, N. Sharma, D. Anjaiah
In recent days composites are finding wide application in all fields because of their specific properties. Drilling is the most common machining operation performed on composites and the quality of hole has an important bearing on its applications. The quality of the drilled hole is mainly defined by delamination, surface roughness, and cylindricity, and it depends upon process variables such as thrust and torque. This paper deals with the study of the influence of process parameters on the quality of hole in drilling of Glass Fiber Reinforced Polymer (GFRP) composites. The results have shown that the drill geometry has major influence on the quality of drilled hole in comparison to drill size, work-piece thickness, volume fraction, fiber orientation, speed and feed.
{"title":"Influence of process parameters on the quality of hole in drilling of GFRP composites - an experimental investigation using DOE","authors":"B. Murthy, L.L. Raj Rodrigues, N. Sharma, D. Anjaiah","doi":"10.1109/ICMET.2010.5598497","DOIUrl":"https://doi.org/10.1109/ICMET.2010.5598497","url":null,"abstract":"In recent days composites are finding wide application in all fields because of their specific properties. Drilling is the most common machining operation performed on composites and the quality of hole has an important bearing on its applications. The quality of the drilled hole is mainly defined by delamination, surface roughness, and cylindricity, and it depends upon process variables such as thrust and torque. This paper deals with the study of the influence of process parameters on the quality of hole in drilling of Glass Fiber Reinforced Polymer (GFRP) composites. The results have shown that the drill geometry has major influence on the quality of drilled hole in comparison to drill size, work-piece thickness, volume fraction, fiber orientation, speed and feed.","PeriodicalId":415118,"journal":{"name":"2010 International Conference on Mechanical and Electrical Technology","volume":"06 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127195461","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}
Pub Date : 2010-10-07DOI: 10.1109/ICMET.2010.5598374
A. Farahbakhsh, S. Mohanna, S. Tavakoli
In this paper, a new solution, in which the ordinary rectangular patches are replaced by hexagonal patches, is proposed to decrease return loss and mutual coupling in microstrip array antennas. To have an array antenna with the least amounts of return loss and mutual coupling, the patch parameters and feed line parameters are obtained using an enhanced genetic algorithm.
{"title":"Reduction of return loss and mutual coupling in two-dimensional microstrip array antennas by using hexagonal patches","authors":"A. Farahbakhsh, S. Mohanna, S. Tavakoli","doi":"10.1109/ICMET.2010.5598374","DOIUrl":"https://doi.org/10.1109/ICMET.2010.5598374","url":null,"abstract":"In this paper, a new solution, in which the ordinary rectangular patches are replaced by hexagonal patches, is proposed to decrease return loss and mutual coupling in microstrip array antennas. To have an array antenna with the least amounts of return loss and mutual coupling, the patch parameters and feed line parameters are obtained using an enhanced genetic algorithm.","PeriodicalId":415118,"journal":{"name":"2010 International Conference on Mechanical and Electrical Technology","volume":"69 18","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120810427","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}
Pub Date : 2010-10-07DOI: 10.1109/ICMET.2010.5598492
L. Xia, Wang San-min, S. Ning
End-effector will lose one or some independent component motion when serial mechanism moves to singular configuration, which leads to decreasing of degree of Freedom. That not only affects the finish of expectant motion, but also makes the control of manipulator difficult. A general solver is set up to deal with the problem of the expressing of the joint screws of open series robot. Then the solver is applied to find the singular configuration to the RRRP mechanism. The condition of singular configuration is attained. And the linear correlation of axis screws is analyzed by using Grassmann line geometry method. The results provide an important reference to the Utilizing and avoiding of singular configuration when designing and controlling the manipulators in space.
{"title":"Singular configuration research of RRRP manipulators in space","authors":"L. Xia, Wang San-min, S. Ning","doi":"10.1109/ICMET.2010.5598492","DOIUrl":"https://doi.org/10.1109/ICMET.2010.5598492","url":null,"abstract":"End-effector will lose one or some independent component motion when serial mechanism moves to singular configuration, which leads to decreasing of degree of Freedom. That not only affects the finish of expectant motion, but also makes the control of manipulator difficult. A general solver is set up to deal with the problem of the expressing of the joint screws of open series robot. Then the solver is applied to find the singular configuration to the RRRP mechanism. The condition of singular configuration is attained. And the linear correlation of axis screws is analyzed by using Grassmann line geometry method. The results provide an important reference to the Utilizing and avoiding of singular configuration when designing and controlling the manipulators in space.","PeriodicalId":415118,"journal":{"name":"2010 International Conference on Mechanical and Electrical Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114704425","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}
Pub Date : 2010-10-07DOI: 10.1109/ICMET.2010.5598456
Yongmei Zhu, Chengtao Li
The reliability of structural systems is affected by many factors, therefore it is necessary to analyze the structural reliability. The spatial beam-plate structures were simulated by the space beam elements and stiffened plate elements. Using stochastic finite element method and advanced first-order second-moment method, the element reliability analysis was performed. The branch-and-bound algorithm was used to find the main failure modes, and the reliability index of structure system was calculated by the failure mode correlation and probabilistic network evaluation technique (PNET). The stochastic finite element program of a three-dimensional spatial thin-walled structure was developed which considers the effect of several random variables including member area, thickness, material's modulus of elasticity, loads and strength. Finally, an example was presented, explaining the application by this means.
{"title":"Reliability study of beam and plate structures based on stochastic finite element method","authors":"Yongmei Zhu, Chengtao Li","doi":"10.1109/ICMET.2010.5598456","DOIUrl":"https://doi.org/10.1109/ICMET.2010.5598456","url":null,"abstract":"The reliability of structural systems is affected by many factors, therefore it is necessary to analyze the structural reliability. The spatial beam-plate structures were simulated by the space beam elements and stiffened plate elements. Using stochastic finite element method and advanced first-order second-moment method, the element reliability analysis was performed. The branch-and-bound algorithm was used to find the main failure modes, and the reliability index of structure system was calculated by the failure mode correlation and probabilistic network evaluation technique (PNET). The stochastic finite element program of a three-dimensional spatial thin-walled structure was developed which considers the effect of several random variables including member area, thickness, material's modulus of elasticity, loads and strength. Finally, an example was presented, explaining the application by this means.","PeriodicalId":415118,"journal":{"name":"2010 International Conference on Mechanical and Electrical Technology","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124236739","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}
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