Journal
JOURNAL OF PROCESS CONTROL
Volume 14, Issue 4, Pages 411-422Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jprocont.2003.07.004
Keywords
optimal control; batch control; robustness analysis; robust control; crystallization
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The recognition that optimal control trajectories for batch processes can be highly sensitive to model uncertainties has motivated the development of methods for explicitly addressing robustness during batch processes. This study explores the incorporation of robust performance analysis into open-loop and closed-loop optimal control design. Several types of robust performance objectives are investigated that incorporate worst-case or distributional robustness metrics for improving the robustness of batch control laws, where the distributional approach computes the distribution of the performance index caused by parameter uncertainty. The techniques are demonstrated on a batch crystallization process. A comprehensive comparison of the robust performance of the open-loop and closed-loop system is provided. (C) 2003 Elsevier Ltd. All rights reserved.
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