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This paper presents the results of testing an advanced control method, Internal Model Control (IMC) on wastewater pH neutralization process. Because the process has a strong nonlinearity it was modeled using different linear models for different operating ranges so that the IMC controller can use the adequate model parameter values according to the current operating range. The results obtained using...
This paper describes a data-based frequency domain optimal control synthesis method. Plant frequency response data is used to compute the frequency response of the controller using a spectral decomposition of the optimal return difference. The underlying cost function is selected from a databased symmetric root-locus, which gives insight in the closed-loop pole locations that will be achieved by the...
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