单级射流偏转板伺服阀失效保护及仿真建模  

Simulation-modeling and Fail-safe of Single-stage Deflector Servo Valve

作　　者：朱海军[1] 

机构地区：[1]中航工业南京机电液压工程研究中心,江苏南京210002

出　　处：《液压气动与密封》2015年第11期27-29,共3页Hydraulics Pneumatics & Seals

摘　　要：射流偏转板射流口堵塞时可失效对中,但偏转板完全偏向一侧时无法失效对中。该文针对单级射流偏转板伺服阀该故障模式,分析了一种解决方法,并用FLUENT对射流板不同位移进行流体仿真和建模分析。When a deflector servovalve＇s jet-orifice is blocked, it can be fail-mid automatic. But If the deflector entirely move to one side,the fail-midfunction does not work. To this mode failure of single-stage deflector servo valve, weanalysis a solution, simulate it by fluent in different displacements and model it withsimulation results.

关 键 词：射流偏转板 失效保护 仿真 建模 

分 类 号：TH137.52[机械工程—机械制造及自动化]