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In this paper, based on the analysis of multi-objective optimization for decentralized PI control of the ALSTOM benchmark problem, deficiencies in optimization results are pointed out. Specially, two deficiencies in Xue's study are proposed, i.e. performance tests are done when the gasifier is unstable, and the sub-objective functions of multi-objective optimization cannot reflect the change of outputs'...
Based on the baseline PI control structure, the control parameters of non-linear ALSTOM gasifier benchmark problem are optimized. Firstly, taking all the input and output limits under three load conditions as constraints, the relative IAE indices at six scenarios are calculated and optimized by using multi-objective optimization algorithm NSGA-II. A set of non-dominated solutions are obtained which...
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