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压力信号器振动环境下误触发现象机理/ A# G- \4 g# c) c& v
梁景媛，王海洲
( K" Y. W0 z3 {" S2 ]（北京宇航系统工程研究所，北京，100076）+ k/ |- z. u6 d9 I% u
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
; R. _" V* ?$ k3 q* ^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
! W4 j/ x# `/ U* P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 v9 T/ h+ |/ K% \) w, I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。
* v" r3 X) I3 {9 f B% W( o关键词：压力信号器；振动环境；AMESim；误触发
{/ A$ p5 b% |( s2 x- \中图分类号：V444.2 文献标识码：A- q: Q( @) K+ v2 T- L3 U) f9 b
Mechanism of Pressure Annunciator Triggered by Mistake in3 ~ X4 H- P! T0 u& _* f
Vibration Environment* Q% S; G* M. h
Liang Jingyuan, Wang Haizhou% @: {( P0 @ t, j
(Beijing Institute of Space System Engineering, Beijing, 100076)6 \' X9 M/ B8 b. B
Abstract：Based on the mechanics simulation software AMESim, the model of pressure annunciator and its experiment system
% l: s) r' t% r/ ^8 owas established. Considering the relative motion between valve’s moving parts and its shell, the viable interface form of vibration" g# r) Q; v3 V
environment and the simulation model through theoretical analysis. Then a new model of the pressure annunciator in vibration0 Y2 k) n( t' c% {
environment was given, and the simulation results were highly dovetailed with those of experiment. Research on the mechanism of' l/ J8 h% O+ p/ ~- w& i
false triggering was made by using the new model, and the solutions were present in the end. Study in this paper supplied feasible ways- f' e p2 ?- t4 l# h
and means for simulation of characteristic of valves in vibration environment.1 e" }/ b5 f1 D/ a
Key Words: Pressure annunciator; Vibration environment; AMESim; False triggering
" _- [6 q( K) A$ R1 l2 p( q' q( h+ l( u3 Q3 c, t& z r
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