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压力信号器振动环境下误触发现象机理 u" o9 z$ g9 C" |
梁景媛，王海洲
+ U" J$ u! F" C& {（北京宇航系统工程研究所，北京，100076）/ Y3 {" G `, ?
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
9 R5 W& P- [3 c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9 |) ?* o7 t' X* `7 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0 U+ C( A* H) x. R2 j5 b
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。+ W$ d+ P6 j! s
关键词：压力信号器；振动环境；AMESim；误触发
3 `" G- l! f: O( n中图分类号：V444.2 文献标识码：A, s$ [6 m0 k. r
Mechanism of Pressure Annunciator Triggered by Mistake in( z$ ]$ d" g( M# M+ \6 o
Vibration Environment7 x. P: o+ l+ b2 L+ J6 V) t
Liang Jingyuan, Wang Haizhou( I: w U+ \ Y8 Y
(Beijing Institute of Space System Engineering, Beijing, 100076)- c$ B) r2 n( M+ D8 d. P
Abstract：Based on the mechanics simulation software AMESim, the model of pressure annunciator and its experiment system) A4 |/ g! R8 W: O
was established. Considering the relative motion between valve’s moving parts and its shell, the viable interface form of vibration; F, |& a5 Z: O2 o' z% x U8 z
environment and the simulation model through theoretical analysis. Then a new model of the pressure annunciator in vibration# `8 ~9 | _" S, _
environment was given, and the simulation results were highly dovetailed with those of experiment. Research on the mechanism of
# |( ]. y2 }, Z5 ]% e) U( E; ifalse triggering was made by using the new model, and the solutions were present in the end. Study in this paper supplied feasible ways4 M2 @3 g9 N/ e( u6 Q+ ^; q
and means for simulation of characteristic of valves in vibration environment.+ G! F# g) @- R* s" J
Key Words: Pressure annunciator; Vibration environment; AMESim; False triggering9 B4 l" U* f# W6 R/ e: W
( @$ q0 X! B6 u }+ _
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: 1)
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发表于 2013-5-2 14:08:57