振动与冲击
振動與遲擊
진동여충격
JOURNAL OF VIBRATION AND SHOCK
2014年
23期
116-121,144
,共7页
倪德%朱如鹏%陆凤霞%付秋菊%鲍和云
倪德%硃如鵬%陸鳳霞%付鞦菊%鮑和雲
예덕%주여붕%륙봉하%부추국%포화운
参数设计%减振%智能弹簧%压电陶瓷%干摩擦%刚度%阻尼
參數設計%減振%智能彈簧%壓電陶瓷%榦摩抆%剛度%阻尼
삼수설계%감진%지능탄황%압전도자%간마찰%강도%조니
parametric design%vibration suppression%smart spring%piezoceramics%dry friction%stiffness%damping
研究简谐激励下有阻尼智能弹簧减振系统参数的一种设计方法,使系统能同时实现阻尼与刚度控制。首先,利用等效线性化方法得到系统频响特性的的解析解。然后,分析了系统参数对幅频特性的影响,得到如下结论:系统无粘性阻尼时,幅频特性曲线簇有一个公共点,有阻尼时公共点消失;影响系统幅频特性的主要参数为质量比、刚度比、阻尼比和控制参数;阻尼比和相对阻尼比影响系统实现完全耦合时所需作动力的大小。最后,根据参数分析的结论,确定系统参数的选用范围,并给出系统参数设计的方法和步骤。
研究簡諧激勵下有阻尼智能彈簧減振繫統參數的一種設計方法,使繫統能同時實現阻尼與剛度控製。首先,利用等效線性化方法得到繫統頻響特性的的解析解。然後,分析瞭繫統參數對幅頻特性的影響,得到如下結論:繫統無粘性阻尼時,幅頻特性麯線簇有一箇公共點,有阻尼時公共點消失;影響繫統幅頻特性的主要參數為質量比、剛度比、阻尼比和控製參數;阻尼比和相對阻尼比影響繫統實現完全耦閤時所需作動力的大小。最後,根據參數分析的結論,確定繫統參數的選用範圍,併給齣繫統參數設計的方法和步驟。
연구간해격려하유조니지능탄황감진계통삼수적일충설계방법,사계통능동시실현조니여강도공제。수선,이용등효선성화방법득도계통빈향특성적적해석해。연후,분석료계통삼수대폭빈특성적영향,득도여하결론:계통무점성조니시,폭빈특성곡선족유일개공공점,유조니시공공점소실;영향계통폭빈특성적주요삼수위질량비、강도비、조니비화공제삼수;조니비화상대조니비영향계통실현완전우합시소수작동력적대소。최후,근거삼수분석적결론,학정계통삼수적선용범위,병급출계통삼수설계적방법화보취。
A design method for system parameters of a smart spring system with linear viscous damping under harmonic excitation was presented,it could make the smart spring system implement both stiffness and damping control. Firstly,the analytical solutions to the frequency response characteristics of the smart spring system were deduced with the equivalent linearization method.Then,the influence of the system parameters on the amplitude frequency characteristics of the system was analyzed.The results showed that the amplitude frequency characteristic curve cluster has a common point for the smart spring system without viscous damping,but the common point disappears for the system with damping;the main parameters affecting the amplitude frequency characteristics of the system are mass ratio,stiffness ratio,damping ratio and control parameter;the system parameters affecting the magnitude of required actuator force to make two mass-spring systems become fully coupled are damping ratio and relative damping ratio.Based on the conclusions of the above parametric analysis,the selection scopes of the system parameters of the smart spring system were determined and the steps of parametric design were proposed.