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Afișează articolele 22-41 of 326

    • An Analysis of Vibration Transmission to Handlers Trucks 

      Picu, Mihaela (Universitatea "Dunărea de Jos" din Galați, 2013-05-01)
      During movement of vehicles, drivers are subjected to vibrations transmitted by the engine, road irregularities, etc. They are extremely harmful for drivers and passengers. In this paper were studied and measured the ...

    • An Evaluative Study of the Competitive Management 

      Ghelase, Daniela; Dașchievici, Luiza (Universitatea "Dunărea de Jos" din Galați, 2010)
      In this paper, competitiveness, will be understood as the capacity (potential) to provide performance (compared with other similar elements), in a very exact way, within a macroeconomic concrete context and at a certain ...

    • An Exact Method for Analysis of Kinematics for Mechanisms by Using Vectors Which Form Closed Polygons 

      Hauk, Niculai (Universitatea "Dunărea de Jos" din Galați, 2013-05-01)
      Construction machinery equipments are complex, with a high degree of mobility. Their operation is done with groups of hydraulic cylinders equal in number with the mobility. This paper presents an exact calculation, which ...

    • An Original Solution for the Ground Support Mechanism of Compact Loaders 

      Petrea, Ioan; Leopa, Adrian (Universitatea "Dunărea de Jos" din Galaţi, 2003)
      This paper presents constructional solution adoption draftworking gear, loader IC 04, assure existence every tyre, reaction non-vanishing. The evidence profitability solution suspension draft.

    • Analitical evaluation of the Dynamic Performances for the Wheel Loader Analysis 

      Debeleac, Carmen (Universitatea "Dunărea de Jos" din Galați, 2004)
      In this paper the author propose a physical and mathematical model, useful to analyse the dynamic performances of the wheel loader equipment. It supposed that the evaluation of the natural frequencies constitute a well ...

    • Analysis of the Anti-Seismic Passive Isolation System Based on the Virtual Prototyping 

      Năstac, Silviu (Universitatea "Dunărea de Jos" din Galați, 2004)
      This work propose a new onset for dynamic behaviour analysis of the passive anti-seismic and/or anti-vibrational elastic elements and systems. The basics of this new approach are constituted by the virtual prototyping ...

    • Analysis of the Dynamic Response to Stochastic Actions on the Tilting System of the Loader Bucket with Hydraulic Correlator 

      Petrea, Ioan; Leopa, Adrian (Universitatea "Dunărea de Jos" din Galați, 2004)
      The resistance encountered by the active organ – the bucket – of the loader when digging into the material pile is part of the category of external influences applied to the equipment. Generally this force is not constant ...

    • Analysis of the Sift Feature Destriptors Alghorithm Implementation Used for Object Pieces Recognition 

      Moldovan, Constantin (Universitatea "Dunărea de Jos" din Galați, 2012)
      Recognition algorithms based on local features such as: are widely used in a large number of computer vision applications object tracking, object reconstruction from images, detection and recognition of objects and people ...

    • Application of Knowledge for the Maintenance of The Enterprise 

      Dașchievici, Luiza; Ghelase, Daniela (Universitatea "Dunărea de Jos" din Galați, 2013-05-01)
      In the paper we aim to offer a strategic vision of knowledge management (KM) that takes into account the synergy between technological and behavioral issues so necessary for survival in the current economic context. In ...

    • Aspect Regarding Concept, Desingn, Development and Use of a Coandă Effect Unmanned Aerial Vehicle 

      Nedelcuț, Florin (Universitatea "Dunărea de Jos" din Galați, 2014)
      This scientific paper presents certain aspects regarding the stages of concept, design, development and use of a Coandă unmanned aerial vehicle. The study is based on MEDIAS project case study, a Lightweight UAV (LUAV) ...

    • Aspects of the Dynamic Behaviour of Pressure Valves 

      Axinti, Adrian-Sorin (Universitatea "Dunărea de Jos" din Galați, 2013-10-01)
      The present work is a synthesis of the research carried out in the years of exploration and research of hydraulic components in order to understand and evaluate dynamic behaviour. In particular, it tries to detect links ...

    • 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.

    • Aspects Regarding General Cosiderations in the Study of Continuously Variable Transmission - CVT 

      Săvulescu, Adrian (Universitatea "Dunărea de Jos' din Galați, 2014)
      This paper aims to study specific type involved in presenting Continuously Variable Transmission system components simplified principle, by studying, perfecting and seeking to obtain a smooth power curve without almost ...

    • Aspects Regarding Rolling Pendulum Seismic Isolation Systems 

      Scheaua, Fănel (Universitatea "Dunărea de Jos" din Galați, 2015)
      Special systems capable to ensure a proper isolation for building structures against dynamic actions have experienced a continuous development in the recent years. These systems are designed to provide increased safety for ...

    • Aspects Regarding the Dynamics of the Vibrating Conveyors Modeled as 3DOF Elastic Systems 

      Drăgan, Nicușor (Universitatea "Dunărea de Jos " din Galați, 2012)
      The paper proposes an approach of a 3DOF (3 Degree Of Freedom) dynamic model for the vibrating conveyors, with the purpose of determining the trajectories of the points which belong to the organ to work (transport, sort ...

    • Aspects Regarding the Influence of the damping Over the Running of a Therapeutic Apparatus 

      Dragomirescu, Cristian; Craifaleanu, Andrei (Universitatea "Dunărea de Jos" din Galați, 2014)
      The paper studies a therapeutic apparatus from the point of view of the influence of damping over its functioning, for various working conditions. The apparatus is intended for the subjects suffering from severe pains, ...

    • Aspects Regarding the Study of a Vibratory Device Which Acts a Medical Apparatus 

      Dragomirescu, Cristian; Craifaleanu, Andrei (Universitatea "Dunărea de Jos" din Galați, 2012-05-01)
      The paper studies, from the electromechanical point of view, a medical apparatus designed for spine treatment by vibrations. The differential equations of motion of the system have been obtained by using Lagrange equations ...

    • Aspects Regarding the Vibrations of the Contacts of a compressed air Switch 

      Dragomirescu, Cristian; Craifăleanu, Andrei (Universitatea "Dunărea de Jos" din Galați, 2007)
      The paper studies the vibrations of the contacts of a compressed air switch, by considering two models. Time variation of the elongation is presented, as well as spectral representations determined by means of Fourier ...

    • Aspects Regarding Worm Gearing Deformation 

      Ghelase, Daniela; Dașchievici, Luiza (Universitatea "Dunărea de Jos" din Galați, 2015)
      The paper is a review of studies and research done in the worm gearing teeth deformation. It is obvious that teeth deformation is present during meshing, with negative consequences on the running accuracy of the worm gearing.

    • Assembly Modeling Using Catia System 

      Haraga, Georgeta; Ghelase, Daniela (Universitatea "Dunărea de Jos" din Galați, 2010)
      CATIA is one of the most performance graphics programs that has been created for the production of technical drawings in the 2d and 3d with a high precision. In this paper, we have presented a simple assembly that is a ...