NDLI: Filter changer's system design on airborne multi-spectral camera based on FPGA

Content Provider	IEEE Xplore Digital Library
Author	Yalei Geng Haimeng Zhao Fuxing Yang Lei Yan
Copyright Year	2010
Description	Author affiliation: Beijing University of Posts and Telecommunications, 100876 China (Yalei Geng; Fuxing Yang) \|\| Beijing Key Lab of Spatial Information Integration & 3S Engineering Application (PKU), 100871 China (Haimeng Zhao; Lei Yan)
Abstract	To meet the requirements of aerial photography, a device with Multi-spectral digital camera system based on Field-Programmable Gate Array (FPGA) is designed, it can exchange filters automatically with different band. The filter-changing complies with the principle of the single-lens cameras with the filter wheel structure. The device consists of horizontal and vertical displacement where the key component of power train is the guide screw. The drive mechanism makes the size of the system smaller, while in flight test it will not impact on the experiment. The work instructions of filters from FPGA can drive the horizontal and vertical motors. Meanwhile, the displacement parameters of motors can be returned to the input of instructions system by feedback, so a complete closed-loop control system is designed. The control system can achieve precision displacement in the horizontal and vertical directions.
Starting Page	108
Ending Page	111
File Size	363893
Page Count	4
File Format	PDF
ISBN	9781424485147
e-ISBN	9781424485178
DOI	10.1109/IITA-GRS.2010.5602264
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-28
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical filters Charge coupled devices Motor FPGA Fasteners Multi-spectral camera Cameras Guide screw Aerial photography Field programmable gate arrays
Content Type	Text
Resource Type	Article

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