Iterative optimization of the economic efficiency of an industrial process within the validity area of the static plant model and its application to a Pulp Mill

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Zakharov, A.
dc.contributor.author Jämsä-Jounela, Sirkka-Liisa
dc.date.accessioned 2016-09-16T08:24:31Z
dc.date.issued 2011
dc.identifier.citation Zakharov , A & Jämsä-Jounela , S-L 2011 , ' Iterative optimization of the economic efficiency of an industrial process within the validity area of the static plant model and its application to a Pulp Mill ' COMPUTERS AND CHEMICAL ENGINEERING , vol 35 , no. 2 , pp. 245-254 . en
dc.identifier.issn 0098-1354
dc.identifier.issn 1873-4375
dc.identifier.other PURE UUID: 033b2855-1963-407f-ba5a-8f7a6d825fdd
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/iterative-optimization-of-the-economic-efficiency-of-an-industrial-process-within-the-validity-area-of-the-static-plant-model-and-its-application-to-a-pulp-mill(033b2855-1963-407f-ba5a-8f7a6d825fdd).html
dc.identifier.other PURE LINK: http://dx.doi.org/10.1016/j.compchemeng.2010.10.010
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/5563396/Iterative_optimization_of_the_economic_efficiency_of_an_industrial_process_within.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/21946
dc.description.abstract Optimization of the steady state economic efficiency of an industrial process is a specific task because the decision variables of the optimization (setpoints of the control system) affect the process through the control strategy. Thus, the effects of saturation of a control system must be taken into account when the gradient of the objective function is estimated and the necessary optimality conditions are checked. In particular, because the optimality conditions cannot be checked directly in the presence of active constraints on the manipulated variables, approximations of the steady state values of the manipulated variables as functions of the setpoints (static plant model) are needed in order to be able to evaluate the optimality conditions. In this paper an iterative method for optimization of the plant profit rate is proposed avoiding the control saturation and is applied to the Pulp Mill benchmark model optimization. Three different static models describing the steady state values of the manipulated variables are constructed and used in the optimization. The results of the optimization are presented and compared against the straightforward single-step optimization of the plant economic efficiency. en
dc.format.extent 245-254
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries COMPUTERS AND CHEMICAL ENGINEERING en
dc.relation.ispartofseries Volume 35, issue 2 en
dc.rights openAccess en
dc.subject.other 215 Chemical engineering en
dc.subject.other 220 Industrial biotechnology en
dc.subject.other 216 Materials engineering en
dc.title Iterative optimization of the economic efficiency of an industrial process within the validity area of the static plant model and its application to a Pulp Mill en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Biotechnology and Chemical Technology en
dc.contributor.department Department of Chemical and Metallurgical Engineering en
dc.subject.keyword Plantwide optimization
dc.subject.keyword Economic efficiency
dc.subject.keyword Pulp and paper production
dc.subject.keyword Industrial application
dc.subject.keyword 215 Chemical engineering
dc.subject.keyword 220 Industrial biotechnology
dc.subject.keyword 216 Materials engineering
dc.identifier.urn URN:NBN:fi:aalto-201609163827
dc.identifier.doi 10.1016/j.compchemeng.2010.10.010
dc.type.version acceptedVersion


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