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压力信号器振动环境下误触发现象机理5 `3 r" ?+ m f5 Y7 O
梁景媛，王海洲
4 j8 Z7 [1 V! \* G（北京宇航系统工程研究所，北京，100076）- V, m5 t2 q( i
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6 T- b& P' `) C" z
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. O( Z& }6 W
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
# w, _% V1 I7 u- f+ B, T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。" |: Q* ]# O7 c
关键词：压力信号器；振动环境；AMESim；误触发
3 m* z$ ^: }* n; ~中图分类号：V444.2 文献标识码：A% @' k5 r7 r$ A/ S8 w" O8 F
Mechanism of Pressure Annunciator Triggered by Mistake in) ~6 T9 j7 D# W# B v& q8 q
Vibration Environment( i6 r5 s2 O+ h1 x
Liang Jingyuan, Wang Haizhou1 \/ d# } W+ l; C D. w- [
(Beijing Institute of Space System Engineering, Beijing, 100076) B) m+ ]# }) Y1 H7 {
Abstract：Based on the mechanics simulation software AMESim, the model of pressure annunciator and its experiment system
3 P+ U- c0 A* r& |: a( ~6 s" Ywas established. Considering the relative motion between valve’s moving parts and its shell, the viable interface form of vibration3 \; v, m5 P" [% R1 B; F
environment and the simulation model through theoretical analysis. Then a new model of the pressure annunciator in vibration8 y$ t1 H, Z# d e! D" ]0 I6 O& M
environment was given, and the simulation results were highly dovetailed with those of experiment. Research on the mechanism of
9 X5 \7 o- {* Q' r4 Q; qfalse triggering was made by using the new model, and the solutions were present in the end. Study in this paper supplied feasible ways
# k$ U) w0 J" e6 }! u7 qand means for simulation of characteristic of valves in vibration environment.
* {# n$ P! {" Z: f2 I0 Q. vKey Words: Pressure annunciator; Vibration environment; AMESim; False triggering5 y& U4 u6 j, w$ P2 P, c
/ S; H) M" V4 Z* V8 R
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