[1]李春波,余春晖,李景镇,等.基于拓扑理论的超高速摄影仪转镜结构设计[J].深圳大学学报理工版,2012,29(No.4(283-376)):304-310.[doi:10.3724/SP.J.1249.2012.04304]
 LI Chun-bo,YU Chun-hui,LI Jing-zhen,et al.Structure design of rotating mirror based on the topology optimization theory for ultra-high speed camera[J].Journal of Shenzhen University Science and Engineering,2012,29(No.4(283-376)):304-310.[doi:10.3724/SP.J.1249.2012.04304]
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基于拓扑理论的超高速摄影仪转镜结构设计()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第29卷
期数:
2012年No.4(283-376)
页码:
304-310
栏目:
光电工程
出版日期:
2012-07-25

文章信息/Info

Title:
Structure design of rotating mirror based on the topology optimization theory for ultra-high speed camera
作者:
李春波1余春晖2李景镇3柴金龙1刘春平3凌中水1黄虹宾13
1) 深圳大学机电与控制工程学院,深圳 518060
2) 深圳职业技术学院汽车与交通学院,深圳 518055
3) 深圳市微纳光子信息技术重点实验室, 深圳 518060
Author(s):
LI Chun-bo1 YU Chun-hui2 LI Jing-zhen3 CHAI Jin-long1 LIU Chun-ping3 LING Zhong-shui1 and HUANG Hong-bin13
1) College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen 518060, P.R.China
2) College of Automotive and Transportation Engineering, Shenzhen Polytechnic, Shenzhen 518055, P.R.China
3) Shenzhen Key Laboratory of Micro-Nano Photonic Information Technology, Shenzhen 518060, P.R.China
关键词:
光学工程 高速摄影 超高速摄影仪 转镜 拓扑优化 动刚度 变密度法 模态分析 惩罚因子
Keywords:
optical engineering high speed photography ultra-high speed camera rotating mirror topology optimization dynamic stiffness variable density method modal analysys penalty factor
DOI:
10.3724/SP.J.1249.2012.04304
文献标志码:
A
摘要:
提出基于连续体拓扑优化设计理论的转镜结构拓扑描述方式和材料插值模型,利用有限元理论和方法,建立转镜各向同性惩罚微结构单模态拓扑优化插值模型,对转镜的第1阶固有频率进行最大动刚度拓扑优化数值分析,并根据转镜伪密度分布图,修改原有转镜结构.通过对修改前后转镜模态进行数值分析与试验发现,转镜第1阶固有频率由原来的713.6 Hz提高到821.4 Hz,第2阶固有频率值增加48%,第3阶固有频率值增加50%, 其他各阶固有频率都有明显提高.试验结果和数值解在误差范围内保持一致.
Abstract:
The material interpolation model and structure topology description model of rotating mirror is presented based on the topology optimization of continuum structure, and the single modality interpolation model with topology optimization of solid isotropic microstructures with penalization of rotating mirror is established by the finite element method. Based on this, the maximum dynamic stiffness topology optimization of rotating mirror isachieved to optimize the first natural frequency and to obtain the pseudo-density distribution chart. The original rotating mirror was modified based on the pseudo-density distribution chart. The numerical analysis and experiment of model about the two rotating mirrors are conducted to examine the results of topology optimization analysis. The results show that the first model of the new rotating mirror is improved from 713.6 Hz to 821.4 Hz, the second one increases by 48% and the third one increases by 50%. The natural frequencies of other models are significantly improved. The results from both the numerical analysis and experiment are consistent under the margin of error, showing a new view for improving the dynamic characteristic of rotating mirror effectively.

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备注/Memo

备注/Memo:
基金项目:国家自然科学基金资助项目(60978039)
作者简介:李春波(1983-),男(汉族),湖南省邵阳市人,深圳大学实验员、硕士. E-mail: chunbolee@126.com
引文:李春波, 余春晖, 李景镇, 等. 基于拓扑理论的超高速摄影仪转镜的结构设计[J]. 深圳大学学报理工版,2012,29(4):304-310.
Received:2011-04-06;Revised:2012-06-15;Accepted:2012-06-20
Foundation:National Natural Science Foundation of China (60978039)
Corresponding author:Professor HUANG Hong-bin. E-mail:huanghb2004@szu.edu.cn
Citation:LI Chun-bo, YU Chun-hui, LI Jing-zhen, et al. Structure design of rotating mirror based on the topology optimization theory for ultra-high speed camera[J]. Journal of Shenzhen University Science and Engineering, 2012, 29(4): 304-310.(in Chinese)
更新日期/Last Update: 2012-07-29