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Influential Parameters for Dynamic Analysis of a Hydraulic Control Valve

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Multimedia, Computer Graphics and Broadcasting (MulGraB 2011)

Part of the book series: Communications in Computer and Information Science ((CCIS,volume 263))

Abstract

A numerical problem that has easily ignored in the dynamic analysis of hydraulic control valves is described, and an analysis of the effects of such problems on numerical modeling is provided. Previous studies have ignored the effects of changes in the flow coefficient in the orifice, the solenoid force along the spool movement in the valve and an ascending tendency of pressure during reach to the steady state. Thus, simulation results obtained in earlier studies have had numerical value errors. To eliminate these problems, this study employed a method to substantiate the nonlinearity of the pressure loss caused by passing between the orifice and port as well as that caused by interaction with the solenoid. Moreover, the movement of the spool and spring expressed using the time-delay-element (TDE). The proposed numerical model has been used in the Bond graph method of a hydraulic control valve and the simulation results have been shown to be accurate. It is known that differences between simulated and experimental results can have a considerable impact on the function of actual systems. The contribution of three factor mentioned in this paper was observed in TDE, Flow coefficient, solenoid order.

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© 2011 Springer-Verlag Berlin Heidelberg

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Yang, K.U., Hur, J.G., Kim, GJ., Kim, D.H., Kim, YK. (2011). Influential Parameters for Dynamic Analysis of a Hydraulic Control Valve. In: Kim, Th., et al. Multimedia, Computer Graphics and Broadcasting. MulGraB 2011. Communications in Computer and Information Science, vol 263. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27186-1_31

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  • DOI: https://doi.org/10.1007/978-3-642-27186-1_31

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-27185-4

  • Online ISBN: 978-3-642-27186-1

  • eBook Packages: Computer ScienceComputer Science (R0)

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