Căutare 1995-2015 după Titlu
Afișează articolele 291-310 of 326
-
The Influence of Nonlinear the Elastic Character of Viscoelastic Systems on the Dynamic Response of Mechanical Systems
(Universitatea "Dunărea de Jos" din Galați, 2010)Bridges and viaducts represent vital engineering structures which are component of terrestrial communication lines, therefore reducing their exposure to factor originating from natural or anthropogenic hazards has no ... -
The Influence of the Hydraulic Fluid Compressibility on the Tematics of Mechanisms Actuated with Hydraulic Cylinders
(Universitatea "Dunărea de Jos" din Galați, 2015)the description of the kinematics of mechanisms driven by hydraulic cylinders, hydraulic agent is usually considered incompressible. This computing hypothesis introduces errors which, in certain situations, can not be ... -
The influence of the Rolling track on the Dynamic Comportment of the equipement on tyres
(Universitatea "Dunărea de Jos" din Galați, 2005)The paper presents aspects connected to the comportment of the vehicle on wheels which moves on dislevement soil. A complete dynamic model is realized for a vehicle on wheels with tyres, which wheels are rigidly tied to ... -
The Mechanical Low Frequency Signal Reconstruction by it's Spectral Components
(Universitatea "Dunărea de Jos" din Galați, 2007)This paper is a point of view of a new way of signal reconstruction through it’s spectral components. Sampling theory is analyzed from different perspectives, what means if for technical reasons the time can’t be sampled ... -
The Method for Remote Control of a Mechatronic System, Based on a Bluetooth Module
(Universitatea "Dunărea de Jos" din Galați, 2015)The paper presents a mechatronic system programmed and controlled by a PLC. The mechanical structure consists of a Dc motor and pneumatic actuators. The Control from short distance is necessary in many industrial appl ... -
The Model of the Forging Hammers Like System with three Degree of Freedom
(Universitatea "Dunărea de Jos" din Galați, 2004)Forging hammers cause very high vibration levels, so vibration control is advisablein nearly all cases. For this reason, in present exist recearch with the object of to decrease and eliminate the shocks and vibration ... -
The Noise at Work and the Professional Diseases
(Universitatea "Dunărea de Jos" din Galați, 2007)This article describes the effects of workplace noise and outlines the main steps that should be taken to reduce and control noise at work. Exposure to noise at work can harm workers’ health. The most wellknown effect ... -
The Nonlinear Behavior Identification of the Dynamic Insulation Systems Used in Viaduct Structure
(Universitatea "Dunărea de Jos" din Galați, 2012)Because of the destructive effects of seismic movements on bridges and viaducts, it was required to embed the structure of seismic devices with the role of maintaining structural integrity and post-seismic functionalit ... -
The Numerical Pretend of Behavior in a impermanent system of Slow Hydrostatical Motive with Radial Pistons and Multiperiodics Sinusoidal Cams
(Universitatea "Dunărea de Jos" din Galați, 2006)The work is approaching theoretical and experimental appearances in concerning static and dynamic characteristics of slow hydrostatical motive with radial pistons. Is presented the static model of characteristics of flow ... -
The Operational Space's Micro-Geometrical Analysis of the R I R II Kinematics Chain
(Universitatea "Dunărea de Jos" din Galați, 2009)In order to systematize the three monomobile coupling kinematic chains was essential to find criteria which eliminate those coupling which are inefficient, from the mobility point of view. It is embraced, as main ... -
The Parametrical Free Vibrations of Elastic Systems, the Analytical Exact Solutions
(Universitatea "Dunărea de Jos" din Galați, 2012)The movements of many material systems can be described by differential equations that have coefficients that depend on time. It is difficult to determine the solutions of these equations. Although many concrete problems ... -
The Possibilities of Increasing Efficiency and Confidence of the Calculations for Hydraulic Cylinders Provided with Cushioning System at System at end of Race
(Universitatea "Dunărea de Jos" din Galați, 2012)Working with specialized software, fluid flow analysis has the disadvantage of being time-consuming. Also, modern computers are needed. This paper presents a way of combining simulation with specialized programs of ... -
The Power Balance During Cushioning for Hydraulic Cylinders
(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 ... -
The Road Traffic Acoustic Emissions Influence
(Universitatea "Dunărea de Jos" din Galați, 2015)Transportation (on road, water and through air) is the most powerful potential source of acoustic pollution these days, so its framing in general ecological cycle is not suitable.Man must better understand the unity of ... -
The Role of Reinforcement Learning Business Integrated Manufacturing
(Universitatea "Dunărea de Jos" din Galați, 2011)Reinforcement learning (RL) has received some attention in recent years from researchers, because it deals with the problem of how an autonomous manufacturing system can learn to select proper actions for achieving its ... -
The Study of the Influence of Stability for Hydraulic Tracked Excavators Excavators with Bucket Using Assisted
(Universitatea "Dunărea de Jos" din Galați, 2007)The technological process of digging the natural earth using hydraulic excavators with bucket has the following steps: dislocation, transporting and depositing in means of transportation. During this process the excavator ... -
The Technical-Economic Modelling of Competitiveness for Manufacturing Systems
(Universitatea "Dunărea de Jos" din Galați, 2009)On world wide level, enterprises are confronted with an evermore accelerated dynamics and the unpredictable changes. This is influenced by the technical and scientific progress, dynamic requirements of the customers, ... -
The Technological Resource of Digging and Transport Heavy Equipmens Used in Road Costructions
(Universitatea "Dunărea de Jos" din Galați, 2004)For it can be applied the efficiency analysis of a mecanical system , on the basis of probabilistic transform and correlation methods , in the case of industrial tractors which are working in aggregate with different ... -
The Undissolved Air Influences on Dynamic Behavior of Hydraulic Driving Systems
(Universitatea "Dunărea de Jos" din Galați, 2010)This paper is a part of a group of papers which deal with the changes due to the oil - air mixture into the hydraulic actuating systems. The undissolved air into the hydraulic agent of technological equipment actuating ... -
The Utilization of 3X3 Matrixes in Setting Kinematics Chains Analysis for Robots Components
(Universitatea "Dunărea de Jos" din Galați, 2009)Within the kinematic study of a rigid solid, its motion is studied faceto- face by a reference system, fixing positions, speeds and accelerations of a reference system, solidarily connected to the rigid solid.