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A method has been developed and introduced for determining the characteristics of local thickenings in the cross section of rolled products. The method is based on the mathematical methods of band-pass filtering and the analysis of extremes. The method provides an objective, automatic real-time evaluation of the extent to which the cross section satisfies prescribed criteria. It gives hot-rolling...
The current state of systems used to control the feeding of high-power electrolysis cells is examined. The article describes the creation of feed algorithms that send a separate signal to each punch of the electrolysis bath in order to correct the feed cycles in relation to alumina dissolution rate. The corrections are made with allowance for the boundary conditions of the process parameters.
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