Căutare 1995-2015 după Data publicării

Afișează articolele 181-200 of 326

    • About the Hysteresis-Loop of the Mechanical Oscillators 

      Cauteș, Gheorghe (Universitaea "Dunărea de Jos" din Galați, 2011)
      The work presents firstly the representation of the typical Hysteresis-loop as function between the indoor forces of the oscillator as friction and elastic forces dependant on displacement and, otherwise, as function between ...

    • Aspects on the Use of Version Autodesk Inventator 2012 Within Autodesk Inventator Suite 

      Goanță, Adrian Mihai (Universitatea "Dunărea de Jos" din Galați, 2011)
      This paper aims to present some new aspects in using Autodesk Inventor software within the Autodesk Suite for Industrial Design. A series of steps in making a vice-type assembly are also briefly presented.

    • Algorithms for Objects' Shape Recognition and Measurement Before Gripping 

      Srarețu, Ionel; Itu, Alexandru (Universitatea "Dunărea de Jos" din Galați, 2011)
      The paper proposes an algorithmic methodology to solve a necessary first step, namely visualization, recognition and measurement of objects, for gripping, in particular by means of anthropomorphic grippers for robots. ...

    • Seismic Base Isolation of Structures Using Frictuon Pendulum Bearings 

      Șcheaua, Fănel (Universitatea 'Dunărea de Jos" din Galați, 2011)
      Base isolation systems have become a significant element to enhance reliability during an earthquake. One type of base isolation system is Friction Pendulum Bearing in which the superstructure is isolated from the foundation ...

    • On-Line Assessment of the Manufacturing Systems Copettiveness 

      Ghelase, Daniela; Dașchievici, Luiza (Universitatea "Dunărea de Jos" din Galați, 2011)
      A company is competitive on a certain market when it succeeds in reaching, up to an acceptable level, some economic indicators: turnover, profit, market share comparable or superior to that of other competing companies ...

    • Processsing and Analyzing Object Images With the view of Object Grasping 

      Starețu, Ionel; Itu, Alexandru (Universitatea "Dunărea de Jos" din Galați, 2011)
      This paper presents a solution based on image processing techniques used for analyzing images of objects which will be grasped, using existing software technologies completed with specific software modules. Digital image ...

    • Project Management and Engineering Issues 

      Huidan, Livia (Universitatea "Dunărea de Jos" din Galați, 2011)
      Starting with some attributes specific to a project manager’s work, the paper presents the functions which must be performed by a project leader – planning, organizing, staffing, directing, motivating, leading – and makes ...

    • Damage Detection at Vibration Passive Isolation Devices 

      Năstac, Silviu; Leopa, Adrian (Universitatea "Dunărea de Jos" din Galați, 2011)
      This paper deals with some theoretical aspects combined with experimental tests regarding early damage identification in vibroisolation devices. This study was a natural fall-back of an analysis regarding the behaviour ...

    • Influence of the Behavior of Nonlinear viscoelastic Systems Bearing on the Dynamic of Bridge Structures 

      Leopa, Adrian; Năstac, Silviu (Unioversitatea "Dunărea de Jos' dibn Galati, 2011)
      Modern structures of bridges and viaducts require dynamic isolation systems, designed to eliminate or mitigate the destructive effects of intense traffic and seismic activity on these constructions. This paper studies ...

    • Methods for Generating Mesh Surfaces Using CAD Systems 

      Haraga, Georgeta; Ghelase, Daniela; Dașchievici, Luiza (Universitatea "Dunărea de Jos" din Galați, 2011)
      One of the most popular graphic software in CAD systems is AutoCAD that is used frequently by a very great number of users thanks to its numerous advantages. In this paper we present several methods to create mesh surfaces ...

    • Optimized Method for Synthesis of a Mechanism for Controlling a Hydraulic Operated Machine 

      Hauk, Niculai (Universitatea "Dunărea de Jos" din Galați, 2011)
      This paper presents how can be design a mechanism capable of self command. It is intended as a high uniformity of the way of action, so that external control is as safe and simple. Are taken into account the concrete conditions ...

    • A Combined Method for Dimensioning Mechanisms Operated with Hydraulic Cylinders 

      Hauk, Niculai (Universitatea "Dunărea de Jos" din Galați, 2011)
      This paper presents a method of synthesis of a mechanism used in ship steering systems. The case examines the use of force as elements of hydraulic differential cylinders articulated at both ends. Sizing the difficulty ...

    • The Analysis of the CAM Mechanisms Using Matrix Calculations 

      Naidin, Gigi (Universitatea "Dunărea de Jos" din Galați, 2011)
      The present study presents the kinematic analysis of a mechanical structure created by cam mechanism RR-CC. It was determined the position, velocity and angular acceleration of the tapped, as depending on the position ...

    • Structural and Kinematic Analysis of Planetary Gearings 

      Naidin, Gigi (Universitatea "Dunărea de Jos" din Galați, 2011)
      By bounding two or more gearings, using a role bear-axle element, we can obtain simple transmissions with caged wheels. A transmission with gear wheels generally has, an axle of fixed rotation, called main axle. The gear ...

    • Thermical Phase Shift Determination Around Vertical Bridges 

      Ionescu, Ștefania (Universitatea "Dunărea de jos' din Galați, 2011)
      The way this concept is defined (in the prescription) is not the most proper for technical regulations where more clear and precise formulations are required especially when important concepts are defined. The estimation ...

    • On the Influence of the Working Tools Shape in the Mixing Proces 

      Debeleac, Carmen-Nicoleta; Năstac, Silviu-Marian (Universitatea "Dunărea de Jos" din Galați, 2011)
      Optimisation of the working tools used in industrial factory becomes a fast and effective method to be implemented easier in the production process. The article presents more design variants of a concrete mixer tools. The ...

    • Humidity Determination in Concrete by Using the Dielectric Method 

      Ionescu, Ștefania (Universitatea "Dunărea de Jos" din Galați, 2011)
      The presence of humidity in the building envelope elements decays their structural and technological properties, favours heat losses and, in time, also the deterioration and degradation of the building. In order to avoid ...

    • On the Stresses and Deflections Calculus in Bending the Cylindrical Naturally Twisted Bars, with Constant 

      Dumitrache, Petru (Universitatea "Dunărea de Jos" din Galați, 2011)
      The present paper deals with some aspects of the stresses and deflections calculus in case of the cylindrical, naturally twisted bars, with constant pitch, on the basis of assumptions on the linear-elastic behavior of ...

    • The Power Balance During Cushioning for Hydraulic Cylinders 

      Hauk, Niculai (Universitatea "Dunărea de Jos" din Galați, 2011)
      Cylinder hydraulic brake systems to stop the stroke are built with moving parts to reduce the impact intensity. For correct sizing of hydraulic cylinder cushioning system it is necessary to know how components participate ...

    • Determination of Optimum Operating regimes of Road Vehicles Based on Minimum Fuel Consumption 

      Burciu, Mugurel (Universitatea "Dunărea de Jos" din Galați, 2011)
      The paper deals with the mathematical calculation which allows the determination of the optimum conditions in operating the propulsion installations with internal combustion engines applied to road vehicles, in the ...