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间歇结晶过程的分批优化
作者姓名:Woranee  Paengjuntuek  Paisan  Kittisupakorn  Amornchal  Arpornwlchanop
作者单位:Control and Systems Engineering Research Center, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
基金项目:ACKNOWLEDGEMENTS The authors would like to acknowledge the support from Chulalongkorn University graduate scholarship to commemorate the 72nd anniversary of His Majesty King BHUMIBOL AD ULYADEJ.
摘    要:It is the fact that several process parameters are either unknown or uncertain. Therefore, an optimal control, profile calculated with developed process models with respect to such process parameters may not give an optimal performance when implemented to real processes. This study proposes a batch-to-batch optimization strategy for the estimation of uncertain kinetic.par.ameters in a batch crystallization process of potassium sulfate production. The knowledge of a crystal size distribution of the product at the end of batch operation is used in the proposed methodology. The updated kinetic parameters are applied for determining an optimal operating temperature policy for the next batch run.

关 键 词:batch  crystallization  batch-to-batch  optimization  optimal  control  population  balance  model  moment  model  
收稿时间:2007-05-18
修稿时间:2007-10-27

Batch-to-batch optimization of batch crystallization processes
Woranee Paengjuntuek Paisan Kittisupakorn Amornchal Arpornwlchanop.Batch-to-batch optimization of batch crystallization processes[J].Chinese Journal of Chemical Engineering,2008,16(1):26-29.
Authors:Woranee Paengjuntuek  Paisan Kittisupakorn  Amornchai Arpornwichanop
Affiliation:Control and Systems Engineering Research Center, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
Abstract:It is the fact that several process parameters are either unknown or uncertain. Therefore, an optimal control profile calculated with developed process models with respect to such process parameters may not give an optimal performance when implemented to real processes. This study proposes a batch-to-batch optimization strat-egy for the estimation of uncertain kinetic parameters in a batch crystallization process of potassium sulfate produc-tion. The knowledge of a crystal size distribution of the product at the end of batch operation is used in the proposedmethodology. The updated kinetic parameters are applied for determining an optimal operating temperature policy for the next batch run.
Keywords:batch crystallization  batch-to-batch optimization  optimal control  population balance model  moment model
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