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Modelling and Fault Detection for Specific Cavitation Damage Based on the Discharge Pressure of Axial Piston Pumps

Author

Listed:
  • Shiqi Xia

    (State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha 410017, China)

  • Yimin Xia

    (State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha 410017, China)

  • Jiawei Xiang

    (College of Mechanical and Electrical Engineering, Wenzhou University, Wenzhou 325035, China)

Abstract

Cavitation will increase the leakage and discharge pressure fluctuation of axial piston pumps. In particular, specific cavitation damage may aggravate the pressure impact and performance degradation. The influence of the specific cavitation damage on the discharge pressure is unclear, and the need for fault detection of this damage is urgent. In this paper, we propose a discharge pressure-based model and fault detection methodology for the specific cavitation damage of axial piston pumps. The discharge pressure model with specific damage is constructed using a slender hole. The simulation model is solved through numerical integration. Experimental investigation of cavitation damage detection is carried out. Discharge pressure features in the time domain and frequency domain are compared. The results show that waveform distortions, spectrum energy relocation, generation of new frequencies and sidebands can be used as features for fault detection regarding the specific cavitation damage of axial piston pumps.

Suggested Citation

  • Shiqi Xia & Yimin Xia & Jiawei Xiang, 2022. "Modelling and Fault Detection for Specific Cavitation Damage Based on the Discharge Pressure of Axial Piston Pumps," Mathematics, MDPI, vol. 10(14), pages 1-13, July.
    • Handle: RePEc:gam:jmathe:v:10:y:2022:i:14:p:2461-:d:862979
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    References listed on IDEAS

    as
    1. Xiaoyu Wang & Shenghao Zhou & Zumeng Shan & Mingang Yin, 2021. "Investigation of Cavitation Bubble Dynamics Considering Pressure Fluctuation Induced by Slap Forces," Mathematics, MDPI, vol. 9(17), pages 1-10, August.
    2. Sangmin Suh & Wonhee Kim, 2020. "Nonlinear Position Control Using Differential Flatness Concept with Load Torque Observer for Electro Hydraulic Actuators with Sinusoidal Load Torque," Mathematics, MDPI, vol. 8(9), pages 1-11, September.
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