串联伺服阀液压位置伺服系统建模仿真与分析  

Modeling Simulation and Analysis of Hydraulic Position Servo System of Series Servo Valve

作　　者：盛精 葛鑫海 陈鼎 向铁明 刘超[2] SHENG Jing;GE Xin-hai;CHEN Ding;XIANG Tie-ming;LIU Chao(School of Mechanical and Automotive Engineering,Xiamen University of Technology,Xiamen 361024,China;Tianjin Dagang Oil Field Vehicle Management Center,Tianjin 300451,China)

机构地区：[1]厦门理工学院机械与汽车工程学院,福建厦门361024 [2]天津大港油田车务管理中心,天津300451

出　　处：《液压气动与密封》2025年第1期29-35,共7页Hydraulics Pneumatics & Seals

基　　金：福建省科技重大专项项目(2024HZ022013);福建省科技计划引导性项目(2021H0027)。

摘　　要：针对压力冲击引起的串联伺服阀液压位置伺服系统振动和噪声问题,基于AMESim仿真模型对两级串联伺服阀液压位置伺服系统进行了压力冲击特性分析。其中考察了系统流量、伺服阀附加开启增益、外部负载以及系统溢流压力等因素对系统压力的影响。研究结果显示,在不同的系统流量或溢流压力的工况条件下,采用串联伺服阀方案可将液压缸进口冲击压力降低8%~11%;而在开启增益系数或外载荷变化的工况条件下,虽然抑制效果并不明显,但冲击压力超调量逐渐减小,系统对于变化的响应将更加平稳有助于减少系统中的冲击和振动,最后提出了一种具有更高可靠性和适应性的应用推广新思路。Aiming at the vibration and noise in the hydraulic position servo system of the series servo valve caused by pressure shock,this paper analyzes the pressure shock characteristics of a two-stage series servo valve hydraulic position servo system using an AMESim simulation model.The effects of system flow rate,servo valve opening gain,external load,and system overflow pressure on system pressure are investigated.The results show that,under varying flow rate or overflow pressure conditions,the series servo valve configuration reduces the hydraulic cylinder inlet impact pressure by 8%to 11%.While the suppression effect is less significant with changes in gain or external load,the overshoot of impact pressure decreases,leading to a more stable system response and reduced vibration.Finally,a new approach with higher reliability and adaptability is proposed for broader application.

关 键 词：串联伺服阀 压力特性分析 AMESIM 伺服系统 

分 类 号：TH137[机械工程—机械制造及自动化]