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| 1 | An efficient hybrid evolutionary optimization algorithm based on PSO and SA for clustering显示文摘The K-means algorithm is one of the most popular techniques in clustering. Nevertheless, the performance of the Kmeans algorithm depends highly on initial cluster centers and converges to local minima. This paper proposes a hybrid evolutionary programming based clustering algorithm, called PSO-SA, by combining particle swarm optimization (PSO) and simulated annealing (SA). The basic idea is to search around the global solution by SA and to increase the information exchange among particles using a mutation operator to escape local optima. Three datasets, Iris, Wisconsin Breast Cancer, and Ripley's Glass, have been considered to show the effectiveness of the proposed clustering algorithm in providing optimal clusters. The simulation results show that the PSO-SA clustering algorithm not only has a better response but also converges more quickly than the K-means, PSO, and SA algorithms. | Taher NIKNAM Babak AMIRI Javad OLAMAEI Ali AREFI | 2009 | Journal of Zhejiang University-Science A(Applied Physics & Engineering)2009，10，4： | 9 |
| 2 | Development of a multi-layer perceptron artificial neural network model to determine haul trucks energy consumption显示文摘The mining industry annually consumes trillions of British thermal units of energy,a large part of which is saveable.Diesel fuel is a significant source of energy in surface mining operations and haul trucks are the major users of this energy source.Cross vehicle weight,truck velocity and total resistance have been recognised as the key parameters affecting the fuel consumption.In this paper,an artificial neural network model was developed to predict the fuel consumption of haul trucks in surface mines based on the gross vehicle weight,truck velocity and total resistance.The network was trained and tested using real data collected from a surface mining operation.The results indicate that the artificial neural network modelling can accurately predict haul truck fuel consumption based on the values of the haulage parameters considered in this study. | Soofastaei Ali Aminossadati Saiied M. Arefi Mohammad M. Kizil Mehmet S. | 2016 | International Journal of Mining Science and Technology2016，26，2： | 4 |
| 3 | Size dependent free vibration analysis of functionally graded piezoelectric micro/nano shell based on modified couple stress theory with considering thickness stretching effect显示文摘Higher-order shear and normal deformation theory is used in this paper to account thickness stretching effect for free vibration analysis of the cylindrical micro/nano shell subjected to an applied voltage and uniform temperature rising.Size dependency is included in governing equations based on the modified couple stress theory.Hamilton’s principle is used to derive governing equations of the cylindrical micro/nano shell.Solution procedure is developed using Navier technique for simply-supported boundary conditions.The numerical results are presented to investigate the effect of significant parameters such as some dimensionless geometric parameters,material properties,applied voltages and temperature rising on the free vibration responses. | Maryam Lori Dehsaraji Mohammad Arefi Abbas Loghman | 2021 | Defence Technology(防务技术)2021，17，1： | 2 |
| 4 | Immature oils as the products of early catagentic transformation of bacterial-alga organic matter显示文摘 | Bazhenora 0 K Arefier () A | 1990 | Org Geo- chem1990，16，： | 1 |
| 5 | Transient analysis of a three-layer microbeam subjected to electric potential显示文摘In this paper,free vibration,wave propagation,and bending analyses of a sandwich microbeam integrated with piezoelectric face-sheets resting on Pasternak foundation under electric potential are presented based on the strain gradient theory and Euler–Bernoulli beam theory.The material properties of core are assumed variable along the thickness direction and piezoelectric face-sheets are assumed homogeneous piezoelectric materials.A two-dimensional electric potential distribution along the axial and transverse direction is applied on the face-sheets of microbeam.Hamilton principal is used to derive governing differential equations of motion.Three behaviors of sandwich microbeam including free vibration,wave propagation,and bending analyses are studied in this paper.Some numerical results are presented to capture the effect of important parameters of the problem such as in-homogeneous index,applied voltage,parameters of foundation,and material length scales.The numerical results indicate that the effect of electric potential along the axial direction is very small rather than one along the transverse direction where initial voltage is applied. | Mohammad Arefi Ashraf M.Zenkour | 2017 | International Journal of Smart and Nano Materials2017，8，1： | 1 |
| 6 | Non-place and plaeelessness as narratives of loss: rethink- ing the notion of place 显示文摘 | M Arefi | 1999 | Journal of Urban Design1999，4，2： | 1 |
| 7 | Effect of N fertilization and plant density on yield and yield components of grain sorghum under climatic conditions of Sistan, Iran显示文摘 | Mousavi S G R Seghatoleslami M J Arefi R | 2012 | Plant Ecophysinlogy2012，，4： | 1 |
| 8 | 1H NMR based metabolic profiling in Crohn’s disease by random forest methodology显示文摘 | Fariba Fathi Laleh Majari‐Kasmaee Ahmad Mani‐Varnosfaderani Anahita Kyani Mohammad Rostami‐Nejad Kaveh Sohrabzadeh Nosratollah Naderi Mohammad Reza Zali Mostafa Rezaei‐Tavirani Mohsen Tafazzoli Afsaneh Arefi‐Oskouie | 2014 | Magn. Reson. Chem2014，，： | 1 |
| 9 | Recognition and localization of ripen tomato based on machine vision显示文摘 | Arefi A Motlagh A M Mollazade K | 2011 | Australian Journal of Crop Science2011，5，10： | 1 |
| 10 | Nonlinear predictive control of a polymerization reactor based on piecewise linear Wiener model 显示文摘 | SHAFIEE G AREFI M JAHED M M | 2008 | Chemical Engineering Journal2008，143，3： | 1 |
| 11 | Nonlinear predictive control of a polymerization reactor based on piecewise linear Wiener model显示文摘 | Shafiee G Arefi M M Jahed-Motlagh M R | 2008 | Chemical Engineering Journal2008，143，123： | 1 |
| 12 | Immature oils as the products of early catagentic transformation of bacterial-alga organic matter 显示文摘 | Bazhenora O K Arefier O A | 1990 | Org Oeochem1990，16，： | 1 |
| 13 | Simulation of erosion in drilling tools for the oil and gas industry显示文摘 | B Arefi A Settari P Angman | 2006 | Journal of Canadian Petrole- um Technology2006，45，11： | 1 |
| 14 | Effect of N fertilization and plant density on yield and yield components of grain sorghum under climatic conditions of Sistan, Iran显示文摘 | Mousavi S G R Seghatoleslami M J Arefi R | 2012 | Plant Ecophysiology2012，，4： | 1 |
| 15 | Study of heat storage at around 450 deg C in aluminum-magnesium base alloys 显示文摘 | Achard P Arefi S Leeomte D | 1981 | FRA DGRST-79 7 02831981，，7： | 1 |
| 16 | A Morphological ReconstructionAlgorithm for Separating Off-terrain Points fromTerrain Points in Laser Scanning Data显示文摘 | Arefi H Hahn M | 2005 | Interna-tional Archives of Photo grammetry Remote Sensingand Spatial Information Sciences2005，36，319： | 1 |
| 17 | A segmentation algo- rithm for the automatic recognition of tomato at harvest 显示文摘 | Arefi A Motlach AM Teimourlou RF | 2010 | Journal of Food Agriculture & Environment2010，8，34： | 1 |
| 18 | Networks and devices for the 5G Era 显示文摘 | BANGERTER B TALWAR S AREFI R | 2014 | IEEE communications magazine2014，52，2： | 1 |
| 19 | Recognition and localization of ripen tomato based on machine vision显示文摘 | Arefi Arman Motlagh Asad Modarres Mollazade Kaveh Teimourlou Rahman Farrokhi | 2011 | Australian Journal of Crop Science2011，，10： | 1 |
| 20 | Non-place and Placelessness as Narratives of Loss: rethinking the notion of place显示文摘 | Arefi M | 1999 | Journal of Urban Design1999，4，： | 1 |
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