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压力信号器振动环境下误触发现象机理
0 G$ q# q7 G7 b9 p' A' A$ d/ j梁景媛，王海洲/ _$ y7 ` g7 Z1 ~
（北京宇航系统工程研究所，北京，100076）
I9 z5 q) [* n, O+ P+ Z. B, w; E9 T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- [ ^5 f/ t" V# ]$ F; f6 r
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) D5 m: }* K" N) @7 B' u# c1 \
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
T$ T4 X9 E5 X8 V# R% f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。
. {) M; s2 `, v2 T& d) E$ v, ~关键词：压力信号器；振动环境；AMESim；误触发8 S6 i( |) T2 C: K& E" C
中图分类号：V444.2 文献标识码：A3 r: h6 n/ x: Y. m k- E0 K
Mechanism of Pressure Annunciator Triggered by Mistake in5 K: k3 T, x, {7 t0 N. r1 @, m
Vibration Environment
9 e$ ]8 m( t- oLiang Jingyuan, Wang Haizhou8 u3 E) E1 r8 z
(Beijing Institute of Space System Engineering, Beijing, 100076). p* i: B) Y1 h1 F# c+ r- }; e
Abstract：Based on the mechanics simulation software AMESim, the model of pressure annunciator and its experiment system
6 P" i7 M2 A: c* vwas established. Considering the relative motion between valve’s moving parts and its shell, the viable interface form of vibration; ]% }3 ]' g' L# |& }3 u3 f. |
environment and the simulation model through theoretical analysis. Then a new model of the pressure annunciator in vibration
* H& Y: U% D2 ]environment was given, and the simulation results were highly dovetailed with those of experiment. Research on the mechanism of
) h5 H5 ^ y& c, C# b7 Sfalse triggering was made by using the new model, and the solutions were present in the end. Study in this paper supplied feasible ways2 X7 C$ \' y( L4 K1 j0 F2 R/ ^3 A
and means for simulation of characteristic of valves in vibration environment.
6 P5 K! Y$ h; Z% L A" UKey Words: Pressure annunciator; Vibration environment; AMESim; False triggering8 n5 i3 ?, S! {# n" Z, p+ Q
( |/ t7 M" a1 ?! [+ z
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