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压力信号器振动环境下误触发现象机理. b8 h! ^" Z S8 A( C6 d" K
梁景媛，王海洲4 O, |/ E) @& Y4 D% ]5 C y/ d2 h
（北京宇航系统工程研究所，北京，100076）
8 J) D5 S& j ]' D, e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 U& s7 s* N2 ]4 C: R6 l" ^6 K. ~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! j9 ?. }7 U/ r& W; z" t
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: O% f) s' 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。( z) G- ~# o6 W5 _6 K
关键词：压力信号器；振动环境；AMESim；误触发+ Q: l- A& N3 J, R
中图分类号：V444.2 文献标识码：A5 }' y+ E" h% z/ z6 e
Mechanism of Pressure Annunciator Triggered by Mistake in
8 J- b3 P [. ^+ ?( ?, _Vibration Environment
2 [. l3 b5 y1 I- U, v6 CLiang Jingyuan, Wang Haizhou+ t% n: I1 q1 C# y! }; [4 g) T1 S
(Beijing Institute of Space System Engineering, Beijing, 100076)
$ k6 B ?- b- S7 rAbstract：Based on the mechanics simulation software AMESim, the model of pressure annunciator and its experiment system
/ x' t6 r0 Z+ t( twas established. Considering the relative motion between valve’s moving parts and its shell, the viable interface form of vibration
8 b' K6 G) c' E8 e4 }# C8 P% B6 henvironment and the simulation model through theoretical analysis. Then a new model of the pressure annunciator in vibration
6 ]( D! Y5 _5 i) z8 ^1 A7 ]environment was given, and the simulation results were highly dovetailed with those of experiment. Research on the mechanism of
7 {; H/ }1 g- N& h# Tfalse triggering was made by using the new model, and the solutions were present in the end. Study in this paper supplied feasible ways; \+ C) ]2 B/ x/ v2 E! d v! A) U
and means for simulation of characteristic of valves in vibration environment., P) S" ?1 J# k, o" ?& x! K# b1 P
Key Words: Pressure annunciator; Vibration environment; AMESim; False triggering
; n2 q) E0 d& W5 c) S: R3 y) y" R# M; B! N$ @6 B6 K
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