Abstract

Firstly, the online detecting and controlling models of the strip steel mechanical properties in skin-pass process are proposed in this paper. The models are used to overcome the shortage of the conventional monitoring methods, and to reduce the fluctuations of the mechanical properties of the strip. The new online detecting and controlling models can real-time forecast the mechanical properties of the running strip from the online monitoring devices. The bias control between the forecasting and the target values of the mechanical properties can be corrected by adjusting the strip elongation . As a result , the fluctuations of the mechanical properties of the strip are reduced ,and move over,it is helpful to prevent the higher yield strength and lower tensile strength, and to maintain good formability strip.The experiments are done and verify the validity of the approach.

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