高频单向正弦流量控制阀的研究

doi:10.3901/JME.2025.08.362

机械工程学报 ›› 2025, Vol. 61 ›› Issue (8): 362-373.doi: 10.3901/JME.2025.08.362

• 交叉与前沿 • 上一篇

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高频单向正弦流量控制阀的研究

丁川^1,2, 朱宽宽^1,2, 朱海鑫^1,2, 孟彬^1,2, 夏宁^1,2, 阮健^1,2

1. 浙江工业大学机械工程学院杭州 310023;
2. 浙江工业大学浙江省特种装备制造与先进加工技术教育部重点实验室杭州 310023

收稿日期:2024-04-17 修回日期:2024-10-27 发布日期:2025-05-10
作者简介:丁川，男，1986年出生，博士，副教授，硕士研究生导师。主要研究方向为高性能液压元件和高速、超高压液压系统。E-mail：chuanding@zjut.edu.cn;孟彬(通信作者)，男，1979年出生，博士，教授，博士研究生导师。主要研究方向为流体传动与控制。E-mail：bin_meng@zjut.edu.cn
基金资助:
浙江省自然科学基金(ZCLMS25E0502)和国家自然科学基金(52375067)资助项目。

Study of High-frequency Unidirectional Sinusoidal Flow Control Valve

DING Chuan^1,2, ZHU Kuankuan^1,2, ZHU Haixin^1,2, MENG Bin^1,2, XIA Ning^1,2, RUAN Jian^1,2

1. College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou 310023;
2. Key Laboratory of Special Equipment Manufacturing and Advanced Processing Technology of Ministry of Education/Zhejiang Province, Zhejiang University of Technology, Hangzhou 310023

Received:2024-04-17 Revised:2024-10-27 Published:2025-05-10

摘要/Abstract

摘要： 高频单向正弦流量信号可广泛应用于动态流量标定、瞬态液动力测量等领域。提出一种高频单向正弦流量控制阀，介绍它的结构和工作原理，并建立该流量控制阀的数学模型，利用Matlab软件对其模型进行仿真研究。最后，搭建试验平台对该流量控制阀样机的高频单向正弦流量信号发生性能进行试验验证。在施加不同幅值的阶跃信号的情况下，流量均未出现超调，最大调整时间约为0.8 s；当使阀产生5～50 Hz的单向正弦流量信号时，该阀在40 Hz后输出的流量幅值才开始衰减，在阀达到所设计的最高输出频率50 Hz时，其正弦流量幅值衰减约为8%；此时，给阀施加阶跃信号以改变所产生的正弦流量信号的均值，其对均值的阶跃响应均未出现超调，且不影响正弦流量信号幅值的发生。试验结果表明，本阀能够有效产生最大幅值为25 L/min，频率为50 Hz且均值流量可调范围为0～10 L/min的单向正弦流量。

关键词: 高频流量信号, 单向正弦流, 流量控制阀, 传递函数, 试验研究

Abstract: The high-frequency unidirectional sinusoidal flow signal can be used in a wide range of applications such as dynamic flow calibration and transient hydrodynamic measurement. A high-frequency unidirectional sinusoidal flow control valve is proposed, its structure and working principle are introduced, the mathematical model of this flow control valve is established, and its model is simulated and studied using Matlab software. Finally, an experimental platform is built to experimentally verify the high-frequency unidirectional sinusoidal flow signal generation performance of this prototype flow control valve. When step signals of different amplitudes are applied, the flow does not overshoot; and the maximum response time was about 0.8 s. When the valve is made to generate a unidirectional sinusoidal flow signal from 5 to 50 Hz, the flow amplitude of the valve output starts to decrease only after 40 Hz, and the sinusoidal flow amplitude decreases by about 8% when the valve reaches the highest sinusoidal flow signal output frequency of the design, 50 Hz. At this point, a step signal is applied to the valve to change the mean value of the resulting sinusoidal flow signal. Its step response to the mean value does not overshoot and does not affect the occurrence of the sinusoidal flow signal amplitude. The experimental results show that the valve can effectively generate a unidirectional sinusoidal flow with a maximum magnitude of 25 L/min, a frequency of 40 Hz; and an adjustable mean flow range of 0～10 L/min.

Key words: high-frequency flow signals, unidirectional sinusoidal flow, flow control valve, transfer function, experimental research

中图分类号:

TH137

丁川, 朱宽宽, 朱海鑫, 孟彬, 夏宁, 阮健. 高频单向正弦流量控制阀的研究[J]. 机械工程学报, 2025, 61(8): 362-373.

DING Chuan, ZHU Kuankuan, ZHU Haixin, MENG Bin, XIA Ning, RUAN Jian. Study of High-frequency Unidirectional Sinusoidal Flow Control Valve[J]. Journal of Mechanical Engineering, 2025, 61(8): 362-373.

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高频单向正弦流量控制阀的研究

Study of High-frequency Unidirectional Sinusoidal Flow Control Valve

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