一种典型盘式单向阀的动力学建模与优化设计

张睿; 吴帅; 焦宗夏

一种典型盘式单向阀的动力学建模与优化设计

北京航空航天大学自动化科学与电气工程学院, 北京 100191

基金项目: 国家自然科学基金资助项目(51235002,51105016)

详细信息

作者简介:
张睿(1984-),男,北京人,博士生,zhangrui@asee.buaa.edu.cn.

中图分类号: TH137.52
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- 被引次数: 0
出版历程
- 收稿日期: 2013-04-09
- 网络出版日期: 2013-09-30

Dynamic modeling and optimization of a typical disk-type check valve

School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 盘式单向阀特性对其簧片参数十分敏感,为了提高阀的高频工作性能,针对典型的三曲梁式簧片结构,研究了一种通用的单向阀动力学建模与优化方法.建模过程中,给出了簧片关于曲梁宽度、弧度及簧片厚度等参数的插值模型,利用有限元方法获得了插值参数.在此基础上,推导了整个盘式单向阀的动力学模型.利用粒子群优化方法对簧片参数进行优化,设置模型输入为正弦压力信号,优化目标为阀的净输出流量最大.优化结果表明:随着工作频率提高,簧片最优厚度增大,同时单向阀最大净输出流量减小.实验与仿真结果一致,证实了上述方法简单可行,可用于工程实际中合理设计和选择盘式单向阀.
- 液压 /
- 单向阀 /
- 动力学建模 /
- 粒子群优化
Abstract: The characteristics of disk-type check valve are particularly sensitive to its reed parameters. Taking a typical reed with three curved-beams as an example, a general modeling and optimization method was investigated to improve the valve dynamic performances. An interpolation model of the reed relating to its beam width, radian and thickness was derived based on the deformation theory of curved-beams. The model parameters were obtained via finite elements method. Based on the reed model, a dynamic model of the check valve was built. With a sinusoidal pressure input, the reed parameters were optimized for the largest net flow rate output via the particle swarm optimization method. With the raise of frequency, the best reed thickness increases, but the net flow rate decreases. The experimental results of the valve match well with those of simulation. The above method is simple but practical, which contributes to the reasonable design of disk-type check valves in engineering.
- hydraulics /
- check valve /
- dynamic models /
- particle swarm optimization

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参考文献(1)

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