|
|
马上注册，结识高手，享用更多资源，轻松玩转三维网社区。
您需要 登录 才可以下载或查看，没有帐号？注册
x
压力信号器振动环境下误触发现象机理3 i$ a" q( F; X, X- _+ i7 J% I
梁景媛，王海洲
7 g- e* h3 c. [, C2 e（北京宇航系统工程研究所，北京，100076）
( h) x4 U+ Q% i! Z5 F0 F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 y0 o$ L# A7 |$ t+ [8 v
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
! _5 D6 N! d( N& B) ~1 B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
3 Q" M- u2 o2 s9 ?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。; B' G1 |4 R$ @3 c7 q* V
关键词：压力信号器；振动环境；AMESim；误触发
Z$ Y8 |, u4 W中图分类号：V444.2 文献标识码：A6 i) W6 y9 s9 p" c% ], E
Mechanism of Pressure Annunciator Triggered by Mistake in, f2 R; D* n; S
Vibration Environment
( i0 y7 G, G8 f$ |( ^; |3 u& ]( VLiang Jingyuan, Wang Haizhou
8 L- c! J! I. y" l+ D) k- L(Beijing Institute of Space System Engineering, Beijing, 100076)
7 v# X% j( r) W; D8 [ f" ]Abstract：Based on the mechanics simulation software AMESim, the model of pressure annunciator and its experiment system
1 P( W* w6 p0 q r8 e) @3 Y: Wwas established. Considering the relative motion between valve’s moving parts and its shell, the viable interface form of vibration
8 K2 A% m8 b# f$ L. O4 wenvironment and the simulation model through theoretical analysis. Then a new model of the pressure annunciator in vibration/ q X4 z% f/ Y, n/ u j5 Z: r8 C
environment was given, and the simulation results were highly dovetailed with those of experiment. Research on the mechanism of
- ?& Q( \ k ?) J, E$ m$ cfalse triggering was made by using the new model, and the solutions were present in the end. Study in this paper supplied feasible ways2 v7 ~9 z$ v q1 }. {+ F' v" g) e' O
and means for simulation of characteristic of valves in vibration environment.2 a1 K) v9 k- _- C3 X5 D
Key Words: Pressure annunciator; Vibration environment; AMESim; False triggering
8 F8 @2 E# n# M b, a7 \; n0 {0 x0 e! \9 c* c% Q
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)
|
|
发表于 2013-5-2 14:08:57