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压力信号器振动环境下误触发现象机理1 ~; ? f' ~$ V |9 y! `& g M2 B
梁景媛，王海洲, j9 X B2 w" t" P: p' t; B
（北京宇航系统工程研究所，北京，100076）
5 \) ~) U# V' v3 c S4 h$ Q摘要：基于AMESim 系统动力学仿真软件，建立压力信号器及其试验系统仿真模型，提出以阀门内部运动件与阀门壳体
4 n2 A- ^6 s9 \ a. W相对运动为考察目标，通过理论分析给出可行的振动环境与仿真模型的接口形式，以此建立振动环境下压力信号器特性分析
' h/ x6 r' ~! P; l" v( d9 d模型，经验证，模型仿真结果与试验结果吻合良好。采用此振动环境下模型对误触发现象进行机理研究，并给出误触发现象( @$ X9 W2 W" @7 i- V9 E
抑制措施，为振动环境下阀门类产品特性仿真提供可行的思路和方法。# c( _( o" ?$ O" k4 r2 F) x
关键词：压力信号器；振动环境；AMESim；误触发
4 X0 R" z3 j$ o8 |中图分类号：V444.2 文献标识码：A7 ?: T6 ]; I& m, b5 C7 _" c
Mechanism of Pressure Annunciator Triggered by Mistake in! j ]3 v9 b) |
Vibration Environment5 ^+ Y4 O# D% z8 w h& e3 W5 P% F
Liang Jingyuan, Wang Haizhou/ ~+ I: T! Q. r& N) `
(Beijing Institute of Space System Engineering, Beijing, 100076)
& u9 a0 t G nAbstract：Based on the mechanics simulation software AMESim, the model of pressure annunciator and its experiment system
4 E1 x- g* Z! @+ g4 t! |was established. Considering the relative motion between valve’s moving parts and its shell, the viable interface form of vibration
& e+ O7 Y% E" N# Kenvironment and the simulation model through theoretical analysis. Then a new model of the pressure annunciator in vibration
: \0 @' ?9 k$ i+ X3 N, }6 Genvironment was given, and the simulation results were highly dovetailed with those of experiment. Research on the mechanism of
9 a I- v" h' R5 T# S& ofalse triggering was made by using the new model, and the solutions were present in the end. Study in this paper supplied feasible ways$ T" s0 U- d+ l5 w" p6 o! R* y \
and means for simulation of characteristic of valves in vibration environment.' e5 ` r% ^5 \! M& g
Key Words: Pressure annunciator; Vibration environment; AMESim; False triggering
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030-压力信号器振动环境下误触发现象机理.part1.rar
(512 KB, 下载次数: 3)
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发表于 2013-5-2 14:08:57