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2012 International Conference on Innovation and Information Management(ICIIM 2012)

作者： Sabina nobari Zarifa Jabrailova azita nobari Institute of Information Technologies of ANAS BakuAzerbaijan Education Administration Institute of management of Islamic Azad UniversityGarmsarIran

Today,the importance and unique roles of human resources have more importance and position than past,so in advanced organizational thought,human is mentioned the main source and property or a main interpretation source of any *** human resources are the Key of organizational success or *** of the fundamental concerns of human resource managers is hiring *** of the right choice in selecting people,will damage to the organization a *** the past,Organizations tested people based on employment tests to hire a special emphasis such as character test,intelligence test,skills test,*** the major problem of this test was the definitive vision on *** you know many of the traits are qualitative,not measured traits for the selection and *** to this,using fuzzy logic approach in human resources management has found a special *** in today’s competitive environment,decisions using of applying information technology are the irrefutable principles of organizations and help to managers in making decisions meaningfully.

关键词： Fuzzy Decision Support Systems Human Resource Management TOPSYS method Fuzzy logic.

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Numerical investigation of transonic flow over deformable airfoil with plunging motion

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Applied Mathematics and Mechanics(English Edition) 2016年第1期37卷 75-96页

作者： N.NEKOUBIN M.R.H.nobari Department of Mechanical Engineering Amirkabir University of Technology

In this article, the transonic inviscid flow over a deformable airfoil with plunging motion is studied numerically. A finite volume method based on the Roe scheme developed in a generalized coordinate is used along with an arbitrary Lagrangian-Eulerian method and a dynamic mesh algorithm to track the instantaneous position of the airfoil. The effects of different governing parameters such as the phase angle, the deformation amplitude, the initial angle of attack, the flapping frequency, and the Mach number on the unsteady flow field and aerodynamic coefficients are investigated in detail. The results show that maneuverability of the airfoil under various flow conditions is improved by the deformation. In addition, as the oscillation frequency of the airfoil increases, its aerodynamic performance is significantly improved.

关键词： transonic flow inviscid flow fluid-solid interaction deformable airfoil,plunge motion Roe scheme

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Chinese Physics Letters 2012年第10期29卷 116-119页

作者： M.Erfanian Nakhchi M.R.H.nobari H.Basirat Tabrizi Department of Mechanical Engineering Amirkabir University of Technology15875 TehranIran

Steady non-similarity thermal boundary layer flow over a stretching flat plate is *** velocity and temperature on the surface are assumed to vary with the *** energy equation is solved with the homotopy analysis method which is suitable for strongly non-linear *** approach is more general than the similarity methods and is valid in the whole spatial and temporal *** results are compared with the similarity solutions for special cases of velocity and temperature profiles on the *** effect of different parameters on the Nusselt number and temperature profiles is investigated.

关键词： problems similarity stretching

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Kinematic and Dynamic Analysis of 3-DOF Rotary Table Manipulator

Kinematic and Dynamic Analysis of 3-DOF Rotary Table Manipul...

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2009中国控制与决策会议

作者： Masoud Dorosti Jafar Heyrani nobari Digital and Nonlinear Control Systems Lab Electrical Engineering DepartmentK.N.Toosi University of TechnologyTehranIran

＜正＞3-DOF Rotary Table manipulator is a robotic mechanism which brings about spatial rotational movements. This mechanism helps to make a movement scenario in order to test Guidance and Navigation Systems of moving *** has complicated dynamic equations which are crucial for control *** this paper,we study applicable kinematics of this ***,we choose the best kinematics and try to get the dynamic equations by applying the Newton’s Second Law for *** use the Newton’s Second Law instead of using common methods in robotic modeling such as Denavit-Hartenberg and Newton-Euler *** have extracted full dynamic equations that contain all designing parameters such as Moment of Inertia factor in all round and even the unbalanced and wobble *** we have verified obtained equations by simulation.

关键词： 3-DOF Rotary Table Manipulator Gimbal Unit under Test Dynamic Equations

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