A Steel Plate Correction Method of NC Flame Cutting Based on Edge Detection

Abstract:

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In order to overcome the low efficiency and precision disadvantages of steel plate position manual correction in the NC(numerical control) Flame Cutting, a high efficient steel plate position correction method is proposed by detecting the edge of steel plate images. Based on the development environment of OpenCV, the video of steel plate is captured based on the DirectShow Technology and the edge linear equation of steel plate is obtained by detecting the steel plate image edge with Canny algorithm and the angle between the equation and the x axis is obtained. The steel plate correction algorithm is designed, and based on the deviation angle of the steel plate, and rotation transformation of related processing images, the steel plate corrections is conducted automatically. The experimental testing of steel plate correction is done and the results show that the method can well done the steel plate correction and the error lower than 0.3 degree and can satisfy the flame cutting process requirement and have a great theory and economic value.

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Periodical:

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Edited by:

Chengyong Wang, Ning He, Ming Chen and Chuanzhen Huang

Pages:

208-211

DOI:

10.4028/www.scientific.net/AMR.188.208

Citation:

Y.C. Jiang et al., "A Steel Plate Correction Method of NC Flame Cutting Based on Edge Detection", Advanced Materials Research, Vol. 188, pp. 208-211, 2011

Online since:

March 2011

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$35.00

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