Position Sensing Method using Linear Camera Sensor 


Vol. 34,  No. 12, pp. 363-367, Dec.  2009


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  Abstract

In this paper, we propose an accurate way of monitoring the position of fabric sheet or metal sheet from winding or unwinding roll by detecting transmitted light from uncovered portion of fabric sheet or metal sheet. The conventional center or edge positioning method using analog photo-conductive or analog video image method had shortcoming because of erroneous position measurement which is caused by dust on sensor surface or variation in device characteristic due to environmental temperature change. The proposed position detection method utilizing CCD-based digital linear camera sensor was accurate to measure the position without any effect from dust on sensor surface or variation in device characteristic due to environmental temperature change. The experimental position detection system using digital linear camera sensor showed particular accuracy in ㎜ resolution when it is applied to control edge position of fabric sheet under dust hazardous environment. Also it showed contrast ratio which is more than 50 to environmental lighting.

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  Cite this article

[IEEE Style]

K. N. Choi, "Position Sensing Method using Linear Camera Sensor," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 12, pp. 363-367, 2009. DOI: .

[ACM Style]

Kyoo Nam Choi. 2009. Position Sensing Method using Linear Camera Sensor. The Journal of Korean Institute of Communications and Information Sciences, 34, 12, (2009), 363-367. DOI: .

[KICS Style]

Kyoo Nam Choi, "Position Sensing Method using Linear Camera Sensor," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 12, pp. 363-367, 12. 2009.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880