Research on Electro-Hydraulic Servo Resonance Technology

被引：0
|
作者：
Yang, Xiuguang [1 ,2 ]
Liu, Peng [1 ]
Zhao, Hongwei [1 ]
机构：
[1] Jilin Univ, Sch Mech & Aerosp Engn, Changchun 130025, Peoples R China
[2] SinoTest Equipment Co Ltd, Changchun 130103, Peoples R China
来源：
SENSORS | 2024年 / 24卷 / 12期
关键词：
electro-hydraulic servo; resonance; simulation analysis; mode; HIGH-CYCLE; FATIGUE; VIBRATION;
D O I：
10.3390/s24123992
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In this paper, an electro-hydraulic servo resonance technology is proposed to meet the loading requirements of a high-frequency sound fatigue test for large tonnage. First of all, we analyze the static and dynamic loading structure of electro-hydraulic servo vibration and establish the vibration equation of the system. Additionally, the modal and vibration characteristics of the system are analyzed by simulation, which verified the feasibility of the proposed electro-hydraulic servo resonant loading technology. Finally, the influence of various factors such as sample stiffness, lead screw stiffness, class II spring stiffness, class II weight mass, lower beam mass, and upper beam mass on the natural frequency and amplification coefficient of the system is analyzed. In this paper, a new technology is proposed to provide theoretical support for the research and development of large-tonnage high-frequency noise fatigue testing equipment.
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页数：16
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