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压力信号器振动环境下误触发现象机理) t! k8 H" e# {( G8 t5 H% l" G
梁景媛，王海洲
* H, g5 b8 i( ]0 t; X( _（北京宇航系统工程研究所，北京，100076）5 w8 ?6 h# y g! [, N8 c. `" l
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
- T9 e1 k) Z, 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 r5 w- x4 Y/ Z5 e
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
9 U7 \4 ]$ W B! r9 p: 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。
9 H! F( {2 {7 w0 s; U( b5 I0 B关键词：压力信号器；振动环境；AMESim；误触发
3 \ |% E6 G2 ~& J, m% m5 j% G! m中图分类号：V444.2 文献标识码：A. J) T7 r% O' H; {
Mechanism of Pressure Annunciator Triggered by Mistake in
' a* n# Z/ v( \' t$ ]1 rVibration Environment
. m4 J# P% q' lLiang Jingyuan, Wang Haizhou" c3 o) q, x: E( g
(Beijing Institute of Space System Engineering, Beijing, 100076)0 D2 \7 z5 E y+ X, b
Abstract：Based on the mechanics simulation software AMESim, the model of pressure annunciator and its experiment system C4 J% ~9 I8 n) F7 t8 r
was established. Considering the relative motion between valve’s moving parts and its shell, the viable interface form of vibration
w/ h" m/ ^- d; I( Oenvironment and the simulation model through theoretical analysis. Then a new model of the pressure annunciator in vibration
( C+ W4 l5 N$ n9 \3 f& [environment was given, and the simulation results were highly dovetailed with those of experiment. Research on the mechanism of
% P# p) W; Q6 ofalse triggering was made by using the new model, and the solutions were present in the end. Study in this paper supplied feasible ways: {. Z- ]2 m# z3 D3 a" D5 `
and means for simulation of characteristic of valves in vibration environment.$ w1 n- Y+ O; Y- e4 j. B8 p9 _
Key Words: Pressure annunciator; Vibration environment; AMESim; False triggering2 D# c2 w& B; U# _8 b
; v) K$ g5 P7 R6 g
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