Journal
CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS
Volume 81, Issue 1, Pages 3-12Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chemolab.2005.01.004
Keywords
batch process; orthogonal projection approach (OPA); rank-deficiency
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Orthogonal projection approach (OPA) has been used for monitoring batch processes. However, because of the mass balance constraints between the reactants and products in a chemical reaction, standard OPA will fail if rank-deficiency occurs. The effect of the rank-deficiency on using OPA for process reaction data sets is discussed, and a new automatic approach for resolution of rank-deficiency data sets by OPA is proposed for batch control. The method is demonstrated for an industrial batch data set. (c) 2005 Elsevier B.V. All rights reserved.
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