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New strategy for the control of pressure during the cooling stage of the sterilization process in steam retorts: part I. a preliminary study

AuthorsAlonso, Antonio A. ; Banga, Julio R. ; Pérez Martín, Ricardo Isaac
Issue Date1993
PublisherInstitution of Chemical Engineers (Great Britain)
CitationFood and Bioproducts Processing: Transactions of the Institution of of Chemical Engineers, Part C 71: 197-205 (1993)
AbstractA new approach to the control of pressure during the cooling stage in steam retorts is presented. Control laws are designed on the basis of Internal Model Control (IMC) techniques implemented on PID-type controllers. This feature makes this technology very attractive because controller parameters depend on the type of closed loop response desired by the user. In order to assure that pressure in the retort is greater than that at the container (for conduction heated products), constant pressure profiles in the set point are used. This strategy is compared with a previously proposed on/off algorithm and its better performance demonstrated in a simulation example.
Identifiersissn: 0960-3085
Appears in Collections:(IIM) Artículos
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