On-line noncontact position velocity-measurement system

Xiong-Jun Li; Zhu Li; Ling-Jing Tang

doi:10.1117/12.156336

22 September 1993 On-line non-contact position velocity-measurement system

Xiong-Jun Li, Zhu Li, Ling-Jing Tang

Proceedings Volume 2101, Measurement Technology and Intelligent Instruments; (1993) https://doi.org/10.1117/12.156336
Event: Measurement Technology and Intelligent Instruments, 1993, Wuhan, China

Abstract

Position and velocity measurement of hot steel strip ends in the mouth of the flying crop shear is im portant in hot rolling mill. In order to replace the y ray position detector and contact velocity trans ducers using two rolling wheels a system using a linear CCD is introduced in this paper. A new model of strip monitoring and shear control is posed. In the design of software unique set of algorithms for data processing in C language and assembler language is used. Particularly variable threshold method based on the peak video eliminates the temperature difference effects a curvefitting algorithm is very useful for realtime processing and high reliability of the system. Experimental results show that the system has good performance and high reliability. Keywords: photoelectrical detecting position/velocity measurement crop shear optimization realtime image processing edge detection.

Citation Download Citation

Xiong-Jun Li, Zhu Li, and Ling-Jing Tang "On-line non-contact position velocity-measurement system", Proc. SPIE 2101, Measurement Technology and Intelligent Instruments, (22 September 1993); https://doi.org/10.1117/12.156336

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