Yarn speed and length measurement using optical method in real time

Qing Wang; Weiwei Ge; Changhou Lu; Guohua Zhang; Hui Shen; Baohua Jiang; Weili Sun

doi:10.1117/1.OE.57.10.104103

9 October 2018 Yarn speed and length measurement using optical method in real time

Qing Wang, Weiwei Ge, Changhou Lu, Guohua Zhang, Hui Shen, Baohua Jiang, Weili Sun

Author Affiliations +

Optical Engineering, Vol. 57, Issue 10, 104103 (October 2018). https://doi.org/10.1117/1.OE.57.10.104103

Abstract

Yarn speed and length are two important parameters in the winding process. A noncontact method is proposed to measure the speed and length of the microtension moving yarn automatically in the winding process. A moving yarn could vibrate sharply in the microtension range. With a line laser illuminating the moving yarn, a linear charge-coupled diode camera was used to capture the images. Based on different laser reflection of the yarn texture, we calculated the speed and length of the moving yarn by extracting different features of yarn texture. Yarns with different materials were used to prove the validity of the proposed method under different winding speed. Experiment works have been performed and compared with a direct contact sensor, and the results proved that the proposed method is effective.

Citation Download Citation

Qing Wang, Weiwei Ge, Changhou Lu, Guohua Zhang, Hui Shen, Baohua Jiang, and Weili Sun "Yarn speed and length measurement using optical method in real time," Optical Engineering 57(10), 104103 (9 October 2018). https://doi.org/10.1117/1.OE.57.10.104103

Received: 3 July 2018; Accepted: 18 September 2018; Published: 9 October 2018

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