Mechanical Engineering Science

Vibration Frequency Characteristic Study of Two-stage Excitation Valve Used in Vibration Experiment System

WUYongping, XIONGChengwei, LIUYi, ZHENGJiafei, ZOUMingxuan

Abstract


To satisfy the demands of higher frequency and amplitude in hydraulic vibration experiment system, the two-stage excitation valve is presented, and a mathematical model of two-stage excitation valve is established after analyzing the working principle of two-stage excitation valve, then the influence of relevant parameters on the displacement of main spool of two-stage excitation valve is studied by using Matlab/Simulink to calculate and analyze. The results show that the displacement of main spool will be smaller with bigger diameter and more secondary valve ports. When the reversing frequency is higher and the oil supply pressure is lower as well as the axial guide width of valve ports is smaller, the maximum displacement of main spool is smaller. The new two-stage excitation valve is easy to adjust reversing frequency and flow. The high frequency can be achieved by improving the rotation speed of servo motor and adding the number of secondary valve ports; the large flow can be realized by increasing the axial guide width of secondary valve ports and oil supply pressure. The result of this study is of guiding significance for designing the rotary valve for the achievement of higher reversing frequency and larger flow.

Keywords


two-stage excitation valve; rotary valve control; mathematical modelling; numerical analysis

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References


Li Xiaojun, Li Fangfang, Ji Jinbao, Wang Juke. A new control technology of shaking table based on the jerk. Advanced Engineering Sciences 2018, Volume (3), pp. 64-72.

Xin Yanggui, Dou Baohui, Pei Yang, Liu Chunhu. Application of high frequency electro-hydraulic vibration system. Machine Tool & Hydraulics 2015, Volume 43(13), pp. 106-107.

Wang Wei. Research on the technology of impact vibration based on four-way rotary valve. Zhejiang University, 2016.

Ivan O, Karem A, Siamak S, Philip, G. Numerical and experimental investigation of the metering characteristic and pressure losses of the rotary tubular spool valve. Flow Measurement and Instrumentation 2020, DOI : https: // doi.org/ 10.1016/ j.flowmeasinst. 2019.101679.

Hao Jiangong, Zhang Yaocheng. Study on the properties of a new electrohydraulic exciting system. Journal of Taiyuan University of Technology 2003, Volume 6, pp.706-709.

Lu Juxian, Li Shuli, Jiao Zongxia. A Limited-angle rotating of Electro-Hydraulic Servo-valve. Hydraulics Pneumatics & Seals 2005, Volume 4, pp.40-42.

Fu Yongling, Song Guobiao. The steady flow force analysis of a new direct drive servo valve. Machine Tool & Hydraulics 1998, Volume 6, pp.18-20.

Ren Yan, Tang Hesheng, Xiang Jiawei, Experimental and numerical investigations of hydraulic resonance characteristics of a high-frequency excitation system. Mechanical Systems and Signal Processing 2019, Volume 131, pp. 617-632.

Ren Yan, Bai Jiping, Ruan Jian, Design, modeling and experimental validation of a variable resonant electro-hydraulic fatigue testing system. IEEE ACCESS 2019, Volume 7, pp.180825-180845.

Ren Yan, Ji Xiancheng, Ruan Jian, Output characteristics of a horizontal type electro-hydraulic excitation system with inertial loading: Modeling and experimentation. Journal of Mechanical Science and Technology 2019, Volume 33(11), pp. 5157-5167.

Liu Yi, Gong Guofang, Yang Huayong, Han Dong, and Wang He. Regulating Characteristics of New Tamping Device Exciter Controlled by Rotary Valve . IEEE/ASME Transactions on Mechatronics, 2016, Volume 21(1), pp.497-505.

Wang Weirui, Li Xing, Ge Zheng, Shi Haoran. The spool transfering composite hydraulic vibration control valve and its hydraulic system: China, 201410839682.5.[P].2016-06-08.

Cui Jian, Ding Fang, Li Qi Peng. Novel bidirectional rotary proportional actuator for electrohydraulic rotary valves. IEEE Transactions on Magnetics 2007, Volume 43(7), pp.3254-3258.

Liu Yi, Cheng ShaoKe, Gong GuoFang. Structure characteristics of valve port in the rotation-spool-type electro-hydraulic vibrator. Journal of Vibration and Control 2017, Volume 23, pp. 2179-2189.

Liu Yi, Zheng Jiafei, Song Ruiyin, Xu Qiaoning, Chen Junhua, Huang Fangping. Simple Push-Type Wave Generating Method Using Digital Rotary Valve Control. Chinese Journal of Mechanical Engineering 2020, Volume 33(1), pp. 1-16.




DOI: https://doi.org/10.33142/mes.v2i1.2618

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