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压力信号器振动环境下误触发现象机理" u1 G+ `; _9 j1 A
梁景媛，王海洲
. [- l* ^5 [0 p（北京宇航系统工程研究所，北京，100076）. p+ n9 j/ p6 Z, m
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
* i7 C# q. W- h J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 r& n2 f; z1 w/ l7 a
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# F$ G& q- H: Y; x! `! @, i8 Q
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。
5 G+ t+ t \+ Q, E7 P+ e* o: D关键词：压力信号器；振动环境；AMESim；误触发; N3 n3 p) ]# `& \0 H
中图分类号：V444.2 文献标识码：A
5 E$ i& v0 t2 x9 ?Mechanism of Pressure Annunciator Triggered by Mistake in
" L) c9 c: r5 g; V0 B$ lVibration Environment. P& u+ S; o" C( g
Liang Jingyuan, Wang Haizhou' _6 G+ X! m7 V* h1 l
(Beijing Institute of Space System Engineering, Beijing, 100076) P: P8 L3 _/ m7 p, c
Abstract：Based on the mechanics simulation software AMESim, the model of pressure annunciator and its experiment system
% l; B% ^& l$ \' ewas established. Considering the relative motion between valve’s moving parts and its shell, the viable interface form of vibration
* M- q! `. J9 y7 U3 Renvironment and the simulation model through theoretical analysis. Then a new model of the pressure annunciator in vibration
5 Z- G! F& i/ [6 h* S4 e* }, Lenvironment was given, and the simulation results were highly dovetailed with those of experiment. Research on the mechanism of- |. m5 U( p, k, J- c
false triggering was made by using the new model, and the solutions were present in the end. Study in this paper supplied feasible ways
* |. A5 k0 C1 p5 L0 H/ B6 _and means for simulation of characteristic of valves in vibration environment.& x2 ~, L; K m2 u, }
Key Words: Pressure annunciator; Vibration environment; AMESim; False triggering
5 s! W/ x c) \& B9 F0 {: v: W
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