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压力信号器振动环境下误触发现象机理$ A, k) j. o' Q' c/ m
梁景媛，王海洲5 X. g7 W# f* C- f- M/ d8 s
（北京宇航系统工程研究所，北京，100076）9 a8 i0 l1 ] s" X8 v$ w6 r+ P2 |) D
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
# `; b: n: _6 I0 ~- E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
! }+ y( O! j/ @: Q/ @- ?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
7 H' Y0 U3 i2 q" o8 ^' |+ v; I4 w0 ^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。
7 a: S( Z6 A1 e关键词：压力信号器；振动环境；AMESim；误触发9 E$ t- o: z+ z
中图分类号：V444.2 文献标识码：A
( M1 ]/ U0 k! E$ n& Q1 nMechanism of Pressure Annunciator Triggered by Mistake in
8 s) x! {. A0 D& G* ?Vibration Environment
2 |0 O7 }& b# d+ }/ CLiang Jingyuan, Wang Haizhou; q6 e6 l- D4 b f, ^# y( A; a
(Beijing Institute of Space System Engineering, Beijing, 100076)
, Q4 ]3 Z2 |& `Abstract：Based on the mechanics simulation software AMESim, the model of pressure annunciator and its experiment system
# O! P9 q7 X& n m' m$ }was established. Considering the relative motion between valve’s moving parts and its shell, the viable interface form of vibration5 @: m8 E1 ^& Z
environment and the simulation model through theoretical analysis. Then a new model of the pressure annunciator in vibration
$ i; I& S1 N* w2 q6 nenvironment was given, and the simulation results were highly dovetailed with those of experiment. Research on the mechanism of
% ^& H' C f( X P& n9 e: _# gfalse triggering was made by using the new model, and the solutions were present in the end. Study in this paper supplied feasible ways
$ L/ i% @0 N, g0 d& mand means for simulation of characteristic of valves in vibration environment.
4 o* z& w' @8 I4 rKey Words: Pressure annunciator; Vibration environment; AMESim; False triggering
# {) d& L) m1 w' N$ G1 Z( L$ U6 {, W" h) I2 {) i
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: 1)
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发表于 2013-5-2 14:08:57