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Power-Hydraulic Coupling Dynamic Model of the Reciprocating Membrane Pump Used in Fault Diagnosis and the Simulation

In: Proceedings of 20th International Conference on Industrial Engineering and Engineering Management

Author

Listed:
  • Pei-yuan Meng

    (Xi’an University of Technology)

  • Kai Liu

    (Xi’an University of Technology)

  • Lin Xu

    (Xi’an University of Technology)

Abstract

Reciprocating membrane pump’s fault diagnosis usually needs a dynamic model which can accurately reflect the running state of the system. But the dynamic models of the pump used in the past mostly have a fixed crank angular velocity, and have no consideration of the relations between crank speed, piston pressure, inertia force, etc. In this paper, a new dynamic model of the reciprocating pump include power end and hydraulic ends is founded to solve this problem. The Matlab computed results of the model show that, angular velocity of the crank will keep fluctuating in a limited area after the system become stable, and the fluctuation range with a power fixed input is much smaller then when the input torque is fixed. The results are close to actual experiences and the dynamic model of the reciprocating pump can be used in the further studies of the reciprocating membrane pump’s fault diagnosis.

Suggested Citation

  • Pei-yuan Meng & Kai Liu & Lin Xu, 2013. "Power-Hydraulic Coupling Dynamic Model of the Reciprocating Membrane Pump Used in Fault Diagnosis and the Simulation," Springer Books, in: Ershi Qi & Jiang Shen & Runliang Dou (ed.), Proceedings of 20th International Conference on Industrial Engineering and Engineering Management, edition 127, pages 211-219, Springer.
    • Handle: RePEc:spr:sprchp:978-3-642-40063-6_21
    DOI: 10.1007/978-3-642-40063-6_21
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