可控气缸冲击回路的数学建模与仿真  

Mathematical Modeling and Simulation of Controllable Cylinder Impact Circuit

作　　者：王成刚[1] 党鑫 高佳宽 吴龙 WANG Cheng-gang;DANG Xin;GAO Jia-kuan;WU Long(School of Mechanical&Electrical Engineering,Wuhan Institute of Technology,Wuhan 430000,China)

机构地区：[1]武汉工程大学机电工程学院,湖北武汉430000

出　　处：《液压气动与密封》2023年第9期105-109,共5页Hydraulics Pneumatics & Seals

基　　金：国家自然科学基金(50976080)。

摘　　要：针对气动系统中气源压力不易改变的情况,运用减压阀设计出一种能满足不同冲击强度要求的可控气缸冲击回路。以气体热力学和牛顿运动定律等基本物理学定律为基础,建立了可控气缸冲击回路中主要元件减压阀和冲击气缸的数学模型。同时建立了基于AMESim软件的气缸冲击回路模型,对减压阀及气缸在冲击过程中的运动特性进行模拟分析。结果表明:在气源压力不变的情况下,运用减压阀的可控气缸冲击回路中气缸的冲击强度具有较好的可控制性,在进口压力相同的情况下,通过减压阀的供气的气缸冲击特性更加稳定。Aiming at the situation that the air source pressure in the pneumatic system is not easy to change,a controllable cylinder impact circuit that can meet different impact strength requirements is designed by using a pressure reducing valve.Based on basic physical laws such as gas thermodynamics and Newton's law of motion,the mathematical model of the main components of the controllable cylinder impact circuit,the pressure reducing valve and the impact cylinder,is established.At the same time,a cylinder impact circuit model based on AMESim software is established to simulate and analyze the motion characteristics of the pressure reducing valve and the cylinder during the impact process.The results show that the impact strength of the cylinder in the controllable cylinder impact circuit using the pressure reducing valve has better controllability under the condition of constant air source pressure.The cylinder shock characteristic curve of the gas is more stable.

关 键 词：减压阀 气缸 数学建模 AMESIM仿真 

分 类 号：TH138.7[机械工程—机械制造及自动化]