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مقالات علمی سال ۱۳۸۴

مقالات را بر اساس عنوان، کد سند یا سال انتشار پیدا کنید و به نویسندگان و رویداد علمی مرتبط برسید.

۲۴۵ مقاله پیدا شد.

مقاله کنفرانسی سال ۱۳۸۴ ۱,۶۶۵ مشاهده

Some Numerical and Experimental Studies on the Indentation Forging of Thick- Walled Tubes

Indentation forging process is used for internal forming and sizing of thick walled tubes designed to withstand high internal pressures In this proce…

Indentation ForgingThick-Walled TubeResidual Stress
مقاله کنفرانسی سال ۱۳۸۴ ۱,۴۹۰ مشاهده

Simulation of rolling pressure in hot rolling by Finite difference method

Accurate prediction of rolling forces as well as the dimentional variation of hot rolled sheets can be achieved by mathematical modelling of thermal…

hot rollinghot bandsfinite difference method
مقاله کنفرانسی سال ۱۳۸۴ ۲,۴۷۰ مشاهده

Simulation of Asymmetric Rolling

In this paper, a two dimensional finite element analysis FEM of asymmetric rolling is performed Simulations are carried out for various rolling diame…

Asymmetric RollingAngular VelocityRoll radius
مقاله کنفرانسی سال ۱۳۸۴ ۱,۴۷۳ مشاهده

Selection of Working Conditions for Creep Feed Grinding of Nickel- Based Superalloys

Creep feed grinding is a high efficient grinding methods that can be used for the largescale material removal of nickel based supperalloy materials T…

Creep feed grindingWorkpiece burningNickel-based Supperalloys
مقاله کنفرانسی سال ۱۳۸۴ ۱,۴۶۴ مشاهده

Selection and Design of Knowledge Based (KB) AGVs System for Material Handling.

This paper presents the design of a Knowledge Based Material Handling System KBMHS used for transporting part types between machining centres and loa…

KB SystemsAGV’s SystemMaterial handling system
مقاله کنفرانسی سال ۱۳۸۴ ۱,۳۷۲ مشاهده

Scientific hypothesis for explain new bifurcations in bainitic iron alloys and its meaning for material science

During research of bainitic steels with 0,50 % or more content of silicon we disclosed the opposite to 'aging' phenomenon, so called 'Rejuvenation' –…

plasticitynew materialshydrogen
مقاله کنفرانسی سال ۱۳۸۴ ۱,۵۷۵ مشاهده

Reverse Virtual Prototyping for Optimized Manufacturing

Reverse Engineering enables the duplication of an existing part capturing the component's physical features, materials, and dimensional characteristi…

Virtual PrototypingReverse EngineeringSolid Modeling
مقاله کنفرانسی سال ۱۳۸۴ ۱,۴۲۱ مشاهده

Regulated Sliding Mode Control of Robotic Manipulators

Chattering elimination of control actuators is an important issue in robotic systems, due to the damages caused by this phenomenon Although the slidi…

Sliding Mode Control Manipulator Parameter Regulation Simulation
مقاله کنفرانسی سال ۱۳۸۴ ۱,۶۰۸ مشاهده

Radial Basis Neural Network Models: Model Development and Validation

A supervised neural network using radial basis network RBN is developed The RBN uses error back propagation algorithm EBP as predictive tools for the…

Radial Basis NetworkNeural NetworksModelling
مقاله کنفرانسی سال ۱۳۸۴ ۱,۶۱۱ مشاهده

Providing Tooling Data to the Areas of NC-Programming and NCSimulation

To generate correct NC programs, and to check these NC programs for collisions in simulation systems, detailed information about the used tools are v…

Tool Data ManagementNC-programmingNC-simulation
مقاله کنفرانسی سال ۱۳۸۴ ۱,۳۱۰ مشاهده

Products Analysis for Reconfigurable Manufacturing

Reconfigurable Manufacturing Systems RMSs are designed to rapidly produce a variety of product types in the shortest time and at the lowest cost with…

Products AnalysisReconfigurable Manufacturing Systems RMSsAnalytical Hierarchical Process AHP
مقاله کنفرانسی سال ۱۳۸۴ ۱,۸۱۷ مشاهده

Prediction of Temperature Distribution during Semi-Solid Forward Extrusion by Using Finite Volume Method

Today the development of innovative production technologies has became a major factor in global competition One of these innovative production techno…

Semi-solid forward extrusionTemperature distributionFinite volume method
مقاله کنفرانسی سال ۱۳۸۴ ۱,۸۷۸ مشاهده

Prediction of Optimum Punch-Die Clearance

In this paper a methodology is proposed to obtain optimum punch die clearance values for a given sheet materials and thickness to be blanked, using t…

BlankingOptimum ClearanceFinite element
مقاله کنفرانسی سال ۱۳۸۴ ۴۹۷ مشاهده

Prediction of Cutting Force in Turning Process Using Recurrent Neural Network

Prediction and modeling of cutting forces are major concerns of metal cutting theory Large numbers of interrelated parameters that influence the cutt…

Cutting ForcesNeural NetworkTurning Process
مقاله کنفرانسی سال ۱۳۸۴ ۱,۶۴۱ مشاهده

Predicting Chatter in Milling Using a Beam Model on Elastic Support

An analytical approach for prediction of chatter in milling process is presented Existing approaches use lumped parameter models to define the dynami…

Euler-Bernoulli BeamElastic SupportStability Lobe
مقاله کنفرانسی سال ۱۳۸۴ ۱,۶۷۱ مشاهده

Precise Positioning By Air Impact

It is practically known that the position of an object could be precisely adjusted by applying small impact to it Based on this phenomenon, a method…

Precise PositioningImpactImpulsive Force
مقاله کنفرانسی سال ۱۳۸۴ ۱,۷۶۳ مشاهده

Performance of Bayesian Regularization Neural- Network in Prediction of Surface Roughness

Surface roughness is one of the essential quality characteristics that must be precisely controlled Artificial neural network modeling is a method of…

Bayesian regularizationNeural networkSurface roughness prediction
مقاله کنفرانسی سال ۱۳۸۴ ۱,۹۳۶ مشاهده

Pareto-Optimal Solutions for Multi-Objective Optimization of Turning Operation using Nondominated Sorting Genetic Algorithm

Many machining operation problems are characterized by their multiple performance measures that are often noncommensurable and competing with each ot…

Genetic AlgorithmMachiningSurface Roughness
مقاله کنفرانسی سال ۱۳۸۴ ۱,۳۰۷ مشاهده

Optimization of electrodischarge texturing for sheet rolled metal by using an expert System

This paper addresses the concept and development of a knowledge based system KBS in computer integrated manufacturing environment for electro dischar…

مقاله کنفرانسی سال ۱۳۸۴ ۲,۰۲۳ مشاهده

Optimization of Train Scheduling by Integration of DEA, AHP and Simulation

This study presents an integrated simulation, multivariate analysis and multiple decision analysis for train scheduling Furthermore, the integrated m…

simulationDEAAHP
مقاله کنفرانسی سال ۱۳۸۴ ۱,۴۲۹ مشاهده

Optimization for Concurrent Product Design and Supply Chain Planning

This paper discusses a broad concept of concurrent design in which part supply, production system, logistics and distribution network are taken into…

OptimizationSimulationSupply Chain
مقاله کنفرانسی سال ۱۳۸۴ ۱,۶۹۱ مشاهده

Optimal design of sandwich composite laminates for minimum cost and maximum frequency using simulated annealing

Multi objective optimal design of sandwich composite laminates consisting of highstiffness and expensive surface and low stiffness and inexpensive co…

Optimal DesignComposite LaminatesCost Reduction
مقاله کنفرانسی سال ۱۳۸۴ ۱,۶۴۲ مشاهده

OPTIMAL DESIGN AND FABRICATION OF AN AIR CORE LINEAR BRUSHLESS DC MOTOR

In this paper, design and fabrication of a specific type of linear electromotor, namely,3 phase air core Permanent Magnet Brushless DC Motor PMBLDCM…

design optimizationpermanent magnet3-phase brushless DC
مقاله کنفرانسی سال ۱۳۸۴ ۱,۹۰۵ مشاهده

Numerical Study of the Effects of Ultrasonic Vibrations on the Extrusion Process

In ultrasonic vibration cold forward extrusion, the bars are extruded while the ultrasonic vibrations are applied to the die Few attempts have been m…

Conventional ExtrusionCritical Extrusion SpeedFinite Element Method FEM