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Analysis of the jet pipe electro-hydraulic servo valve with finite element methods

  • Kaiyu Zhao
  • , Qingxun Wu
  • , Lijian Zhang
  • , Zhaohui Yuan
  • , Jiaqiang Yang
  • CAS - Institute of Mechanics
  • Northwestern Polytechnical University Xian

Research output: Contribution to journalConference articlepeer-review

3 Scopus citations

Abstract

The dynamic characteristics analysis about the jet pipe electro-hydraulic servo valve based on experience and mathematical derivation was difficult and not so precise. So we have analysed the armature feedback components, torque motor and jet pipe receiver in electrohydraulic servo valve by sophisticated finite element analysis tools respectively and have got physical meaning data on these parts. Then the data were fitted by Matlab and the mathematical relationships among them were calculated. We have done the dynamic multi-physical fields' Simulink co-simulation using above mathematical relationship, and have got the input-output relationship of the overall valve, the frequency response and step response. This work can show the actual working condition accurately. At the same time, we have considered the materials and the impact of the critical design dimensions in the finite element analysis process. It provides some new ideas to the overall design of jet pipe electro-hydraulic servo valve.

Original languageEnglish
Article number06013
JournalMATEC Web of Conferences
Volume153
DOIs
StatePublished - 26 Feb 2018
Event4th International Conference on Mechatronics and Mechanical Engineering, ICMME 2017 - Kuala Lumpur, Malaysia
Duration: 28 Nov 201730 Nov 2017

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