| 新型滚珠式多向动力吸振器的理论研究 |
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| 引用本文： | 张小龙；,东亚斌；,张晓钟；,李雨田.新型滚珠式多向动力吸振器的理论研究[J].振动与冲击,2012,31(1):1-4. |
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| 作者姓名： | 张小龙； 东亚斌； 张晓钟； 李雨田 |
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| 作者单位： | 西安建筑科技大学机电工程学院，西安，710055 |
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| 基金项目： | 国家自然科学基金资助项目(50275113);教育部留学回国人员项目(外留司[2009]1590号) |
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| 摘 要： | 提出了一种用于控制特殊多方向强迫振动的滚珠式动力吸振器。通过理论分析和数值计算，研究了该吸振器的振动控制机理和主要参数对吸振效果的影响。利用定点理论，优化设计了控制系统的最优频率和最优阻尼。研究表明，利用该结构简单的吸振器可以有效地控制机械或结构在共振频率点附近所发生的特殊的强迫振动响应。
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| 关 键 词： | 多方向振动 振动控制 动力吸振器 滚珠 优化设计 |
| 收稿时间： | 2010-8-9 |
| 修稿时间： | 2010-9-21 |
A new ball type dynamic multi-direction vibration absorber |
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| ZHANG Xiao-long,DONG Ya-bin,ZHANG Xiao-zhong,LI Yu-tian.A new ball type dynamic multi-direction vibration absorber[J].Journal of Vibration and Shock,2012,31(1):1-4. |
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| Authors: | ZHANG Xiao-long DONG Ya-bin ZHANG Xiao-zhong LI Yu-tian |
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| Affiliation: | School of Mechanical & Electrical Engineering, Xi’an University of Architecture & Technology, Xi’an 710055 |
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| Abstract: | A ball type dynamic vibration absorber was presented to control special multi-direction forced vibra-tions.Based on theoretical analysis and numerical calculation,its mechanism and the effects of parameters of vibration control of the absorber on the vibration absorption were clarified.According to the fixed-points theory,the frequency and the damping of the vibration control system were optimized.The results showed that the special forced vibration at resonance points of a machine or a structure can be reduced effectively by using this simple ball type dynamic vibration absorber. |
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| Keywords: | multi-direction vibration vibration control dynamic vibration absorber ball optimization design |
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