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A recently proposed method for the simplification of single variable systems having ordinary polynomial denominators has been extended to the multivariable case encompassing situations where the original or simplified model may have delays in their states. The performance index used for optimization is the integral of the time-weighted squared error between the responses of the original and simplified...
The issues of copper production strategy for the Polish copper industry are presented in the article. The problem is considered within the scope of the ore extraction, ore concentration and metallurgical processing of the copper concentrate and the main aim is to produce the specific amount of copper, which generates maximum technological and economic benefits. In order to determine the strategy of...
E.Coli foraging optimization algorithm is an evolutional algorithm and imitates the behavior of E.Coli bacteria. In this paper, a novel improved E.Coli foraging optimization algorithm (IEFOA) for parameter tuning of PID controller has been proposed. IEFOA is presented with three main operators, which include a tumbling operator, a swimming operator and a tracing operator that at the same time records...
The modelling and the control of the web handling systems have been studied for a long time; the correct modelling is necessary in order to design a better control system or to experimentally identify the plant parameters. On the web dynamics itself, lumped parametric expressions may be used to designate a web section between two adjacent drive rolls, and there is the necessity to incorporate the...
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