22 September 1993 On-line non-contact position velocity-measurement system
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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.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xiong-Jun Li, Xiong-Jun Li, Zhu Li, Zhu Li, Ling-Jing Tang, Ling-Jing Tang, } "On-line non-contact position velocity-measurement system", Proc. SPIE 2101, Measurement Technology and Intelligent Instruments, (22 September 1993); doi: 10.1117/12.156336; https://doi.org/10.1117/12.156336
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