ZHANG Xuhui, WANG Dongman, YANG Wenjua. Position detection method of hydraulic support based on vision measurement[J]. Journal of Mine Automation, 2019, 45(3): 56-60. DOI: 10.13272/j.issn.1671-251x.2018090039
Citation: ZHANG Xuhui, WANG Dongman, YANG Wenjua. Position detection method of hydraulic support based on vision measurement[J]. Journal of Mine Automation, 2019, 45(3): 56-60. DOI: 10.13272/j.issn.1671-251x.2018090039

Position detection method of hydraulic support based on vision measurement

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  • In view of problems of high cost, poor accuracy and real-time performance in current position measurement methods of hydraulic support used in fully mechanized coal mining face, a position detection method of hydraulic support based on vision measurement was proposed. The infrared LED identification plate is set on the hydraulic support, the explosion-proof camera installed on the shearer is used for image acquisition, and the image is processed and calculated based on the visual algorithm of four coplanar feature points to obtain the position and pose of the hydraulic support base, and the straightness in multiple directions can be obtained according to the position and pose coordinates of the hydraulic support. The experimental results show that the method to measure the detection accuracy of the hydraulic support position is within 0.7°, and the straightness accuracy is less than 20 mm, which meets requirements of accuracy detection of the hydraulic support of fully mechanized coal mining face.
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