This paper presents a handy nonlinear dynamic model for the design of a two stage pilot pressure relief servo-valve. Previous surveys indicate that the performance of existing control valves has been limited by the lack of an accurate dynamic model. However, most of the existing dynamic models of pressure relief valves are developed for the selection of a suitable valve for a hydraulic system, and assume model parameters which are not directly controllable during the manufacturing process. As a result, such models are less useful for a manufacturer eager to improve the performance of a pressure valve. In contrast, model parameters in the present approach have been limited to dimensions measurable from the blue prints of the valve such that a specific design can be evaluated by simulation before actually manufacturing the valve. Moreover, the resultant model shows excellent agreement with experiments in a wide range of operating conditions.
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March 2002
Technical Papers
Nonlinear Dynamic Model of a Two-Stage Pressure Relief Valve for Designers
Pei-Sun Zung,
Pei-Sun Zung
Department of Power Mechanical Engineeering, National Tsing Hua University, Hsinchu 30043, Taiwan, R.O.C
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Ming-Hwei Perng
Ming-Hwei Perng
Department of Power Mechanical Engineeering, National Tsing Hua University, Hsinchu 30043, Taiwan, R.O.C
Search for other works by this author on:
Pei-Sun Zung
Department of Power Mechanical Engineeering, National Tsing Hua University, Hsinchu 30043, Taiwan, R.O.C
Ming-Hwei Perng
Department of Power Mechanical Engineeering, National Tsing Hua University, Hsinchu 30043, Taiwan, R.O.C
Contributed by the Dynamic Systems and Control Division for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received by the Dynamic Systems and Control Division March 5, 2001. Associate Editor: N. Manring.
J. Dyn. Sys., Meas., Control. Mar 2002, 124(1): 62-66 (5 pages)
Published Online: March 5, 2001
Article history
Received:
March 5, 2001
Citation
Zung , P., and Perng, M. (March 5, 2001). "Nonlinear Dynamic Model of a Two-Stage Pressure Relief Valve for Designers ." ASME. J. Dyn. Sys., Meas., Control. March 2002; 124(1): 62–66. https://doi.org/10.1115/1.1435363
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