document_2_Jxpc_27112018.rar_solenoid_Performances

<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/626097a2090cbf2c4ed8faa2/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/626097a2090cbf2c4ed8faa2/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x2 h3 y2 ff1 fs1 fc0 sc0 ls0 ws0">Simulation and Modelling Dynamic Performances of the </div><div class="t m0 x3 h3 y3 ff1 fs1 fc0 sc0 ls0 ws0">Servo-Solenoid Directional Valve using Matlab </div><div class="t m0 x4 h4 y4 ff1 fs2 fc0 sc0 ls0 ws0"> Dr. Khalaf Hasan Ali </div><div class="t m0 x5 h4 y5 ff1 fs2 fc0 sc0 ls0 ws0">College of Engineering, AMA International University-Bahrain Kingdom of Bahrain </div><div class="t m0 x6 h4 y6 ff1 fs2 fc0 sc0 ls0 ws0">Corresponding Author’s Email: </div><div class="t m0 x7 h4 y7 ff1 fs2 fc1 sc0 ls0 ws0">khali@amaiu.edu.bh </div><div class="t m0 x1 h4 y8 ff1 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x8 h5 y9 ff1 fs3 fc0 sc0 ls0 ws0">I. INTRODUCTION </div><div class="t m0 x9 h2 ya ff1 fs0 fc2 sc0 ls0 ws0">The proportional electrohydraulic servo-solenoid directional valve can be applied with </div><div class="t m0 xa h2 yb ff1 fs0 fc2 sc0 ls0 ws0">deferent applications, “It is found that in the industrial field and that equipment must satisfy the </div><div class="t m0 xa h2 yc ff1 fs0 fc2 sc0 ls0 ws0">special requirements of the industrial and mobile installations. They have known an increasing in </div><div class="t m0 xa h2 yd ff1 fs0 fc2 sc0 ls0 ws0">developing and use of electronics and microprocessors controllers which contributed to the </div><div class="t m0 xa h2 ye ff1 fs0 fc2 sc0 ls0 ws0">improvement of their dynamic performances of the proportional electrohydraulic servo-solenoid </div><div class="t m0 xa h2 yf ff1 fs0 fc2 sc0 ls0 ws0">directional valve. The progress registered in the domain of proportional. </div><div class="t m0 x9 h2 y10 ff1 fs0 fc2 sc0 ls0 ws0">Electrohydraulic directional valves enhanced their performances which improve the </div><div class="t m0 xa h2 y11 ff1 fs0 fc2 sc0 ls0 ws0">accuracy of the hydraulic circuit as will reduce the noise and overshoot of the output. </div><div class="t m0 xa h2 y12 ff1 fs0 fc2 sc0 ls0 ws0">The proportional solenoid valves are used in the application of control in the closed loop with a </div><div class="t m0 xa h2 y13 ff1 fs0 fc2 sc0 ls0 ws0">low price and low cost of maintenance needs. At the proportional solenoid valves, the command </div><div class="t m0 xa h2 y14 ff1 fs0 fc2 sc0 ls0 ws0">force generates the displacement of a spool which modifies the area of certain apertures that </div><div class="t m0 xa h2 y15 ff1 fs0 fc2 sc0 ls0 ws0">control flow and pressure in the system. The change of the area is designed to be approximately </div><div class="t m0 xa h2 y16 ff1 fs0 fc2 sc0 ls0 ws0">linear with the displacement of the spool. The perturbations in the motion of the spool are </div><div class="t m0 xa h2 y17 ff1 fs0 fc2 sc0 ls0 ws0">undesirable which is caused by the friction forces between a spool and the valve body, and the </div><div class="t m0 xa h2 y18 ff1 fs0 fc2 sc0 ls0 ws0">static pressure forces caused by the geometry of the spool or by the inertia forces generated by </div><div class="t m0 xa h2 y19 ff2 fs0 fc2 sc0 ls0 ws0">the flow”. </div><div class="t m0 xa h2 y1a ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 xa h6 y1b ff3 fs0 fc0 sc0 ls0 ws0">1.1 Statement of the Problem </div><div class="t m0 x9 h2 y1c ff1 fs0 fc0 sc0 ls0 ws0">In the field of the electro-hydraulic control system the performance, including the </div><div class="t m0 xb h2 y1d ff1 fs0 fc0 sc0 ls0 ws0">stability of the system are important parts of the hydraulic system working. In this work, </div><div class="t m0 xb h2 y1e ff1 fs0 fc0 sc0 ls0 ws0">electro-hydraulic control circuits including a proportional directional control valve have been </div><div class="t m0 xb h2 y1f ff1 fs0 fc0 sc0 ls0 ws0">designed. A mathematical model developed to determine the natural frequency and damping </div><div class="t m0 xb h2 y20 ff1 fs0 fc0 sc0 ls0 ws0">ratio of the PEHSV using Matlab software. </div><div class="t m0 xc h7 y21 ff6 fs5 fc0 sc0 ls0 ws0">International Journal of Advanced Research in Basic Engineering Sciences and Technology (IJARBEST)</div><div class="t m0 xd h7 y22 ff6 fs5 fc0 sc0 ls0 ws0">ISSN (ONLINE):2456-5717 Vol.4, Issue.11, November 2018</div><div class="t m0 xc h8 y23 ff7 fs6 fc0 sc0 ls0 ws0">International Journal of Advanced Research in Basic Engineering Sciences and Technology (IJARBEST)</div><div class="t m0 xd h8 y24 ff7 fs6 fc0 sc0 ls0 ws0">ISSN (ONLINE):2456-5717 41 Vol.4, Issue.11, November 2018</div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div> </body> </html>

<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/626097a2090cbf2c4ed8faa2/bg2.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 xe h9 y25 ff5 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 xa h6 y26 ff3 fs0 fc0 sc0 ls0 ws0">1.2 Significance of the Study </div><div class="t m0 xe h2 y27 ff1 fs0 fc0 sc0 ls0 ws0"> The significant of the study is to Achieving good performance of the Proportional </div><div class="t m0 xa h2 y28 ff1 fs0 fc0 sc0 ls0 ws0">electrohydraulic servo-solenoid directional valve with Appling different range of flow </div><div class="t m0 xa h2 y29 ff1 fs0 fc0 sc0 ls0 ws0">parameters, to enhance the stability of the valves. By reaching this level of resolution, a </div><div class="t m0 xa h2 y2a ff1 fs0 fc0 sc0 ls0 ws0">mathematical model to determine the natural frequency and damping ratio using the Matlab </div><div class="t m0 xa h2 y2b ff1 fs0 fc0 sc0 ls0 ws0">software. Finding out the stability of the system with different input parameters, the derivative </div><div class="t m0 xa h2 y2c ff1 fs0 fc0 sc0 ls0 ws0">(PID controller) control can be used. </div><div class="t m0 xa h6 y2d ff3 fs0 fc0 sc0 ls0 ws0">1.3 Scope and Limitation </div><div class="t m0 x9 h2 y2e ff1 fs0 fc0 sc0 ls0 ws0">This research will focus on the output parameter of the controller such as time response, </div><div class="t m0 xa h2 y2f ff1 fs0 fc0 sc0 ls0 ws0">stability and another control parameter with respect the hydraulic input parameters The main </div><div class="t m0 xa h2 y30 ff1 fs0 fc0 sc0 ls0 ws0">limitation of this study is that there is no experimental investigation could be performed in the </div><div class="t m0 xa h2 y31 ff1 fs0 fc0 sc0 ls0 ws0">meantime. </div><div class="t m0 xa h6 y32 ff3 fs0 fc0 sc0 ls0 ws0">1.4 Conceptual Framework / Theoretical Framework </div><div class="t m0 x9 h2 y33 ff1 fs0 fc0 sc0 ls0 ws0">In this research will use the modeling of the performance of the servo-solenoid </div><div class="t m0 xa h2 y34 ff1 fs0 fc0 sc0 ls0 ws0">directional valve using Simulink code in MATLAB, to investigate the effect of many like flow </div><div class="t m0 xa h2 y35 ff1 fs0 fc0 sc0 ls0 ws0">rate, oil viscosity, spool area, pressure, and valve time opening parameters on the dynamic </div><div class="t m0 xa h2 y36 ff1 fs0 fc0 sc0 ls0 ws0">performance of the valve in order to enhance the performance of the valve response and stability. </div><div class="t m0 xf h5 y37 ff1 fs3 fc0 sc0 ls7 ws0">II. LITERATURE REVIEW </div><div class="t m0 x9 h2 y38 ff1 fs0 fc0 sc0 ls0 ws0">Hydraulic system using drives are often used in heavy industries, like a heavy crane to </div><div class="t m0 xa h2 y39 ff1 fs0 fc0 sc0 ls0 ws0">carry a heavy load. In the hydraulic circuit, the main components used for such drive are the </div><div class="t m0 xa h2 y3a ff1 fs0 fc0 sc0 ls0 ws0">cylinder and a proportional valve in this research they will be investigated. </div><div class="t m0 x9 h2 y3b ff1 fs0 fc0 sc0 ls0 ws0">Linear mathematical modelling of the hydraulic system proves to be very useful for a </div><div class="t m0 xa h2 y3c ff1 fs0 fc0 sc0 ls0 ws0">controller determination. Rich. Barton et al. [1] presented at 1998 a simple method to estimate the </div><div class="t m0 xa h2 y3d ff1 fs0 fc0 sc0 ls0 ws0">effect of some parameters such that, spring constant viscous damping coefficient, spring </div><div class="t m0 xa h2 y3e ff1 fs0 fc0 sc0 ls0 ws0">pretension and flow force spring constant on the proportional solenoid valve performance. “This </div><div class="t m0 xa h2 y3f ff1 fs0 fc0 sc0 ls0 ws0">estimation associated with the main stage of a proportional solenoid valve and they found that a </div><div class="t m0 xc h7 y21 ff6 fs5 fc0 sc0 ls0 ws0">International Journal of Advanced Research in Basic Engineering Sciences and Technology (IJARBEST)</div><div class="t m0 xd h7 y22 ff6 fs5 fc0 sc0 ls0 ws0">ISSN (ONLINE):2456-5717 Vol.4, Issue.11, November 2018</div><div class="t m0 xc h8 y23 ff7 fs6 fc0 sc0 ls0 ws0">International Journal of Advanced Research in Basic Engineering Sciences and Technology (IJARBEST)</div><div class="t m0 xd h8 y24 ff7 fs6 fc0 sc0 ls0 ws0">ISSN (ONLINE):2456-5717 42 Vol.4, Issue.11, November 2018</div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>

<div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/626097a2090cbf2c4ed8faa2/bg3.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 xa h2 y40 ff1 fs0 fc0 sc0 ls0 ws0">large spool displacement was preferable because information along the complete stroke of the </div><div class="t m0 xa h2 y41 ff1 fs0 fc0 sc0 ls0 ws0">valve could be obtained. In 1999 Zheng D.L. [2] simulates a method for the electro-hydraulic </div><div class="t m0 xa h2 y42 ff1 fs0 fc0 sc0 ls0 ws0">system. Without using directly conventional linear model. Accurate models for the electro-</div><div class="t m0 xa h2 y43 ff1 fs0 fc0 sc0 ls0 ws0">hydraulic components have been constructed using the data provided by the manufactures with </div><div class="t m0 xa h2 y44 ff1 fs0 fc0 sc0 ls0 ws0">measurements obtained in the laboratory, he builds an electro-hydraulic manipulator and by </div><div class="t m0 xa h2 y45 ff1 fs0 fc0 sc0 ls0 ws0">using simulation package, Simulink, the non-linear differential equations were solved. Vaughan </div><div class="t m0 xa h2 y46 ff1 fs0 fc0 sc0 ls0 ws0">N.D and Gamble J.B [3] in 2001, presented models of various configuration to modelling the </div><div class="t m0 xa h2 y47 ff1 fs0 fc0 sc0 ls0 ws0">control of the proportional valves. These models provide an understanding of the interactions </div><div class="t m0 xa h2 y48 ff1 fs0 fc0 sc0 ls0 ws0">between, mechanical, electrical and fluid aspects of hydraulic control valves. </div><div class="t m0 x9 ha y49 ff1 fs8 fc0 sc0 ls0 ws0">A satisfactory dynamic characteristic may be achieved by using advanced strategies of </div><div class="t m0 xa ha y4a ff1 fs8 fc0 sc0 ls0 ws0">control, for obtaining the slide which should reduce the influence of the nonlinear conditions of </div><div class="t m0 xa ha y4b ff1 fs8 fc0 sc0 ls0 ws0">operation of the servo-solenoid valve.” </div><div class="t m0 x9 ha y4c ff1 fs8 fc0 sc0 ls0 ws0">This type of servo-solenoid valves will operate optimally if provided with a controller </div><div class="t m0 xa ha y4d ff1 fs8 fc0 sc0 ls0 ws0">dedicated with position loop with LVDT sensor [4], [5], [6]. The controller minimizes the effects of </div><div class="t m0 xa ha y4e ff1 fs8 fc0 sc0 ls0 ws0">the nonlinear perturbations at the displacement of the slide and improves the answer in frequency. </div><div class="t m0 xa ha y4f ff1 fs8 fc0 sc0 ls0 ws0">It can be concluded from the above that most of the research in the hydraulic system had chosen one </div><div class="t m0 xa ha y50 ff1 fs8 fc0 sc0 ls0 ws0">particular controlling or modelling type. </div><div class="t m0 xa h9 y51 ff5 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x10 h5 y52 ff1 fs3 fc0 sc0 ls7 ws0">III. RESEARCH METHODOLOGY </div><div class="t m0 x9 h2 y53 ff1 fs0 fc0 sc0 ls0 ws0">This chapter is to explain the research methodology of the mathematical modelling </div><div class="t m0 xa h2 y54 ff1 fs0 fc0 sc0 ls0 ws0">system which can be used to represent physical systems into transfer function equations. </div><div class="t m0 xa h2 y55 ff1 fs0 fc0 sc0 ls0 ws0">MATLAB Simulation can be used to effectively determine the best performance dynamic </div><div class="t m0 xa h2 y56 ff1 fs0 fc0 sc0 ls0 ws0">response. </div><div class="t m0 xa h6 y57 ff3 fs0 fc0 sc0 ls0 ws0">3.1 Research Design </div><div class="t m0 xa h2 y58 ff1 fs0 fc0 sc0 ls0 ws0"> Mathematical modelling of the valve component will be presented to achieve the performance of </div><div class="t m0 xa h2 y59 ff1 fs0 fc0 sc0 ls0 ws0">the Proportional electrohydraulic servo-solenoid directional valve. A simulation of this model </div><div class="t m0 xa h2 y5a ff1 fs0 fc0 sc0 ls0 ws0">will work by Simulink MATLAB — simulation and Modeling of the hydraulic system, using </div><div class="t m0 xa h2 y5b ff1 fs0 fc0 sc0 ls0 ws0">Matlab-Simulink software to evaluating the theoretical analysis of the actuating system as well </div><div class="t m0 xa h2 y5c ff1 fs0 fc0 sc0 ls0 ws0">as to determine the Simulation result of hydraulic system as a function of the hydraulic </div><div class="t m0 xa h2 y5d ff1 fs0 fc0 sc0 ls0 ws0">component parameters. </div><div class="t m0 xc h7 y21 ff6 fs5 fc0 sc0 ls0 ws0">International Journal of Advanced Research in Basic Engineering Sciences and Technology (IJARBEST)</div><div class="t m0 xd h7 y22 ff6 fs5 fc0 sc0 ls0 ws0">ISSN (ONLINE):2456-5717 Vol.4, Issue.11, November 2018</div><div class="t m0 xc h8 y23 ff7 fs6 fc0 sc0 ls0 ws0">International Journal of Advanced Research in Basic Engineering Sciences and Technology (IJARBEST)</div><div class="t m0 xd h8 y24 ff7 fs6 fc0 sc0 ls0 ws0">ISSN (ONLINE):2456-5717 43 Vol.4, Issue.11, November 2018</div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>