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重庆大学 [1]
长春光学精密机械与物... [1]
内容类型
会议论文 [2]
发表日期
2010 [1]
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A design on a control method of a new type of focal plane shutter (EI CONFERENCE)
会议论文
2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010, August 24, 2010 - August 26, 2010, Changchun, China
Xue L.
;
Ming L.
;
Zheng L.-N.
;
Zhou J.-F.
;
Zhang H.-W.
;
Zhang J.-C.
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浏览/下载:24/0
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提交时间:2013/03/25
In order to ensure appropriate exposure time
and no exposure while electric charge is transferring after taking a photograph
it is necessary to have the shutter mechanism cooperate with CCD for area CCD aerial cameras. The ground object illumination has a wide range which is from 4000Lx to 100000Lx
so a shutter which is high efficient and a continuous stepless adjustment are also required. This paper introduces the fundamental principle
structural design and control procedure about this new focal plane shutter. Under the control of DSP
the velocity of shutter curtain governed by the shutter motor can be not only precisely controlled
but also the durability and the reliability are increased. The experiment results have shown that this new shutter has the higher stability of movement
long life span with more than 105 operating times
a wide range of exposure time from1/ 50s to 1/ 320s(depending on the slit width)and the exposure error is less than 10%. With the CCD gain adjustment
the performance of this shutter is fully satisfied with the requirements of area CCD aerial cameras. 2010 IEEE.
The electric curtain method of dust removal and measurement of particle size and density on solar cells
会议论文
Hong Kong, China, September 21, 2014 - September 22, 2014
作者:
Zhou, ChuanDe[1]
;
Xiao, HongBo[1]
;
Zhang, Jie[2]
;
Sun, ShaoHua[3]
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提交时间:2019/11/30
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