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An online monitoring system of alumina concentration in aluminium electrolysis has been designed directing at the difficult concentration measurement of alumina. Firstly, a current-measuring instrument with anodic guide rod is developed to collect data about the temperature of anodic guide rod and isometric pressure drop. Then a set of upper-computer software based on COM technology is produced, which...
Considering the complexity of aluminum electrolysis process, transfer function model of single anode of aluminum electrolytic cell was obtained by means of system identification. Firstly, the frequency characteristics of single anode were measured and analyzed. Secondly, transfer function model was built. Finally, the measured frequency characteristic data was identified to be a high-precision transfer...
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