串联囊式压力脉动衰减器气压主动控制方法研究

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振动与冲击 ›› 2024, Vol. 43 ›› Issue (19) : 266-275.

论文

串联囊式压力脉动衰减器气压主动控制方法研究

习毅1，戴巨川1，刘文2，王菊维3,潘玉明3

作者信息 +

Active control method for air pressure of series bag pressure pulse attenuator

XI Yi1, DAI Juchuan1， LIU Wen2， WANG Juwei3， PAN Yuming3

Author information +

文章历史 +

摘要

针对现有串联囊式衰减器（囊式衰减器）压力适应范围窄的问题，提出了通过气压控制系统实现囊式衰减器气囊内部气压主动跟随液压系统工作压力变化的方法，使囊式衰减器在不同工作压力时均具有良好压力脉动抑制性能。在建立气动伺服控制系统数学模型的基础上，分别采用PID及模糊PID控制方法实现了囊式衰减器气囊内部气压主动跟随系统工作压力的变化，分析了系统工作压力的变化频率、振幅、气瓶充气压力等因素对气囊内压力控制性能的影响，在理论上证明了所提出方法的可行性；分别通过声学仿真软件和试验研究了采用与不采用气压主动控制时囊式衰减器对压力脉动的抑制性能，研究结果均表明采用气压主动控制方法时囊式衰减器对液压管道系统压力脉动的衰减幅值更大、压力适应范围更广，进而验证了所提出气压主动控制方法的有效性与可行性。

Abstract

In order to solve the problem about the narrow adaptive range of pressure of the bladder style pressure pulsation suppressor. By installing a high pressure air source and pneumatic servo valve on suppressor and using PID control method can achieve the internal air pressure of suppressor changing right along with working pressure. the pulsation suppression of suppressor is performance well under different working pressure. Based on mathematical model of pneumatic servo control system, this thesis studies the response characteristics of pneumatic control systems and analyses the factor which influencing the control of air bag pressure in pneumatic system, such as pressure change frequency and cylinder inflation pressure. The results prove that the method proposed by the thesis is feasible.

导出引用

习毅1, 戴巨川1, 刘文2, 王菊维3, 潘玉明3. 串联囊式压力脉动衰减器气压主动控制方法研究[J]. 振动与冲击, 2024, 43(19): 266-275

XI Yi1, DAI Juchuan1, LIU Wen2, WANG Juwei3, PAN Yuming3. Active control method for air pressure of series bag pressure pulse attenuator[J]. Journal of Vibration and Shock, 2024, 43(19): 266-275

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