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压力信号器振动环境下误触发现象机理
# Q. a2 }" p% g. E梁景媛，王海洲
1 e* z8 Q0 y8 t. I1 @2 w; A+ n/ m（北京宇航系统工程研究所，北京，100076）2 K$ g. d& N/ O H
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# m) r6 G, g' a! U7 }& 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
* V0 `) O: ]7 K9 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
8 X. `* I: F) {% 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。
9 z8 v/ N% d1 [, Y( W+ }0 {关键词：压力信号器；振动环境；AMESim；误触发
( b8 V; m2 a- l( z9 A中图分类号：V444.2 文献标识码：A% |: H9 y0 x3 p. W; C3 }3 \
Mechanism of Pressure Annunciator Triggered by Mistake in
/ n$ p% f3 _5 ~/ }1 O6 xVibration Environment# @ g$ i# p9 M
Liang Jingyuan, Wang Haizhou
y/ z: w5 T% R: M; X" d2 w, T" V& ](Beijing Institute of Space System Engineering, Beijing, 100076)
; f) @4 E t/ ]4 bAbstract：Based on the mechanics simulation software AMESim, the model of pressure annunciator and its experiment system
3 ~0 M7 k7 a- v; _was established. Considering the relative motion between valve’s moving parts and its shell, the viable interface form of vibration3 Q; W5 l; c( l' w, S' p+ i
environment and the simulation model through theoretical analysis. Then a new model of the pressure annunciator in vibration
) c8 E& u. I4 R8 _environment was given, and the simulation results were highly dovetailed with those of experiment. Research on the mechanism of
; e; Y* Y* Q7 T6 e/ `4 Dfalse triggering was made by using the new model, and the solutions were present in the end. Study in this paper supplied feasible ways7 J4 `. r' K) z
and means for simulation of characteristic of valves in vibration environment.
% h% v' D/ a/ C, {/ eKey Words: Pressure annunciator; Vibration environment; AMESim; False triggering2 A) w( W* j$ T1 x) M" m# W
. ]; G- e9 x$ c
030-压力信号器振动环境下误触发现象机理.part1.rar
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发表于 2013-5-2 14:08:57