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压力信号器振动环境下误触发现象机理
0 ~% z- j& t, [# q( O, W' ^梁景媛，王海洲2 g. |( ^! V, b* d% H) C* {
（北京宇航系统工程研究所，北京，100076）3 Y5 x" V& }& ]6 O7 V
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4 I% b6 M& O. Z5 z) C! G
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
2 R) Q4 ^# N- ~) n1 D! I) |) G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
# Y% w; @, {3 }6 B9 z/ u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。( u2 b# M$ @$ G6 k# {
关键词：压力信号器；振动环境；AMESim；误触发: a) g& I5 V0 z& J/ v
中图分类号：V444.2 文献标识码：A" f' v6 {! y1 y: X0 k# ?
Mechanism of Pressure Annunciator Triggered by Mistake in6 I$ E5 }' R5 v0 j/ ~8 |
Vibration Environment
9 l @+ g5 q# Y8 U. a6 D/ YLiang Jingyuan, Wang Haizhou% J+ ~; s) }1 L; h, i% |
(Beijing Institute of Space System Engineering, Beijing, 100076)4 n- c+ U7 j4 q4 d
Abstract：Based on the mechanics simulation software AMESim, the model of pressure annunciator and its experiment system
2 k3 X1 N& r. I* K8 A. Rwas established. Considering the relative motion between valve’s moving parts and its shell, the viable interface form of vibration
9 ]! t" N" ?; o+ wenvironment and the simulation model through theoretical analysis. Then a new model of the pressure annunciator in vibration
, y+ \- n- t' w; r/ Q* R1 xenvironment was given, and the simulation results were highly dovetailed with those of experiment. Research on the mechanism of$ n) v( O( e/ ?# E/ B5 y
false triggering was made by using the new model, and the solutions were present in the end. Study in this paper supplied feasible ways
* v0 a' d# T3 zand means for simulation of characteristic of valves in vibration environment. w) @% t# P t* G/ K( i
Key Words: Pressure annunciator; Vibration environment; AMESim; False triggering
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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