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Substrate-Free Ultra-Flexible Organic Field-Effect Transistors and Five-Stage Ring Oscillators 期刊论文  OAI收割
ADVANCED MATERIALS, 2013, 卷号: 25, 期号: 38, 页码: 5455-5460
作者:  
Zhang, Lei;  Wang, Hanlin;  Zhao, Yan;  Guo, Yunlong;  Hu, Wenping
  |  收藏  |  浏览/下载:16/0  |  提交时间:2019/04/09
Surface shape optimization for the space membrane reflector (EI CONFERENCE) 会议论文  OAI收割
2011 International Conference on Electronic and Mechanical Engineering and Information Technology, EMEIT 2011, August 12, 2011 - August 14, 2011, Harbin, China
作者:  
Zhang Y.;  Zhang P.
收藏  |  浏览/下载:23/0  |  提交时间:2013/03/25
Space membrane reflector is very promised for optical quality application with the merits of ultra-lightweight and flexible. In order to improve the surface precision of membrane reflectors  the formation and surface shape error of a membrane at uniform load are studied based on the henky-cambell equations of circular membrane. The ANSYS software is used to build an optimization model of membrane reflector surface shape  in which the yield strength is the state variable  the surface load on ten concentric annular regions of the mirror is the design variable  and the minimum RMS between ideal surface and mirror surface is the target function. and the theoretical and experimental result show that RMS and PV of the optimized surfaces are reduced respectively than those before optimization. In a word  this paper offers the theoretical and experimental basis of the polyimide membrane reflector. 2011 IEEE.