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Objectivities of our CD-Labor

Our Christian Doppler Laboratory (CD-Lab) for Automatic Control of Mechatronic Systems in Steel Industries is concerned with mathematical modeling and control design in order to improve the performance of hot and cold rolling mills. In order to fulfill the constantly rising demands on the quality as well as on the minimal strip thickness tolerances of the rolled products, it is unavoidable to investigate research towards new control algorithms. Rolling is one of the most important processes in metal forming and normally this process involves several reduction stages (mill stands). Traditional linear control concepts divide the whole plant, which is indeed a MIMO (Multi Input Multi Output) system into several SISO (Single Input Single Output) subsystems neglecting the interconnected physical structure. Each SISO system is controlled by it`s own linear controller, the interconnections are taken into account by appropriate disturbance-rejection circuits.


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