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Mohanan K, Jogwar SS. Optimal operation of heat exchanger networks through energy flow redistribution. AIChE J 2022. [DOI: 10.1002/aic.17716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Karthika Mohanan
- Department of Chemical Engineering Indian Institute of Technology, Bombay Mumbai India
| | - Sujit S. Jogwar
- Department of Chemical Engineering Indian Institute of Technology, Bombay Mumbai India
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An Optimal-Control Scheme for Coordinated Surplus-Heat Exchange in Industry Clusters. ENERGIES 2019. [DOI: 10.3390/en12101877] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Industrial plants organized in clusters may improve their economics and energy efficiency by exchanging and utilizing surplus heat. However, integrating inherently dynamic processes and highly time-varying surplus-heat supplies and demands is challenging. To this end, a structured optimization and control framework may significantly improve inter-plant surplus-heat valorization. We present a Modelica-based systems model and optimal-control scheme for surplus-heat exchange in industrial clusters. An industry-cluster operator is assumed to coordinate and control the surplus-heat exchange infrastructure and responsible for handling the surplus heat and satisfy the sink plants’ heat demands. As a case study, we use an industry cluster consisting of two plants with surplus heat available and two plants with heat demand. The total surplus heat and heat demand are equal, but the availability and demand are highly asynchronous. By optimally utilizing demand predictions and a thermal energy storage (TES) unit, the operator is able to supply more than 98% of the deficit heat as surplus heat from the plants in the industry cluster, while only 77% in a corresponding case without TES. We argue that the proposed framework and case study illustrates a direction for increasing inter-plant surplus-heat utilization in industry clusters with reduced use of peak heating, often associated with high costs or emissions.
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Braccia L, Marchetti PA, Luppi P, Zumoffen D. A Sequential Integration between Optimal Flexible Heat Exchanger Network Synthesis and Control Structure Design. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b01611] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Lautaro Braccia
- Grupo de Ingeniería de Sistemas de Procesos (GISP), Centro Franco-Argentino de Ciencias de la Información y de Sistemas (CIFASIS), CONICET-UNR, 27 de Febrero 210 bis, S2000EZP Rosario, Argentina
| | - Pablo A. Marchetti
- Instituto de Desarrollo Tecnológico para la Industria Química (INTEC), UNL-CONICET, Güemes 3450, 3000 Santa Fe, Argentina
| | - Patricio Luppi
- Grupo de Ingeniería de Sistemas de Procesos (GISP), Centro Franco-Argentino de Ciencias de la Información y de Sistemas (CIFASIS), CONICET-UNR, 27 de Febrero 210 bis, S2000EZP Rosario, Argentina
- Universidad Nacional de Rosario, Rosario, Argentina
| | - David Zumoffen
- Grupo de Ingeniería de Sistemas de Procesos (GISP), Centro Franco-Argentino de Ciencias de la Información y de Sistemas (CIFASIS), CONICET-UNR, 27 de Febrero 210 bis, S2000EZP Rosario, Argentina
- Universidad Tecnológica Nacional−FRRo, Rosario, Argentina
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Miranda CB, Costa CBB, Caballero JA, Ravagnani MASS. Heat Exchanger Network Optimization for Multiple Period Operations. Ind Eng Chem Res 2016. [DOI: 10.1021/acs.iecr.6b01117] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Camila B. Miranda
- Chemical Engineering Department, State University of Maringá, Av. Colombo 5790, CEP 87020900, Maringá, Paraná, Brazil
| | - Caliane B. B. Costa
- Chemical Engineering Department, State University of Maringá, Av. Colombo 5790, CEP 87020900, Maringá, Paraná, Brazil
| | - Jose A. Caballero
- Chemical
Engineering Department, University of Alicante, Carretera de San Vicente del Raspeig
S/N, 03690 San Vicente
del Raspeig, Alicante, Spain
| | - Mauro A. S. S. Ravagnani
- Chemical Engineering Department, State University of Maringá, Av. Colombo 5790, CEP 87020900, Maringá, Paraná, Brazil
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Delatore F, Novazzi LF, Leonardi F, Cruz JJD. MULTIVARIABLE OPTIMAL CONTROL OF A HEAT EXCHANGER NETWORK WITH BYPASSES. BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING 2016. [DOI: 10.1590/0104-6632.20160331s00002780] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Wang X, El-Farra NH, Palazoglu A. Proactive Reconfiguration of Heat-Exchanger Supernetworks. Ind Eng Chem Res 2015. [DOI: 10.1021/acs.iecr.5b00598] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xiaonan Wang
- Department of Chemical Engineering
and Materials Science, University of California, Davis, Davis, California 95616, United States
| | - Nael H. El-Farra
- Department of Chemical Engineering
and Materials Science, University of California, Davis, Davis, California 95616, United States
| | - Ahmet Palazoglu
- Department of Chemical Engineering
and Materials Science, University of California, Davis, Davis, California 95616, United States
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Vázquez-Román R, Inchaurregui-Méndez JA, Mannan MS. A grid-based facilities allocation approach with safety and optimal heat exchanger networks synthesis. Comput Chem Eng 2015. [DOI: 10.1016/j.compchemeng.2015.05.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Vázquez-Román R, Inchaurregui-Méndez J, Ponce-Ortega J, Mannan M. A Heat Exchanger Networks Synthesis Approach Based on Inherent Safety. ACTA ACUST UNITED AC 2015. [DOI: 10.15377/2409-983x.2015.02.01.3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Jäschke J, Skogestad S. Optimal operation of heat exchanger networks with stream split: Only temperature measurements are required. Comput Chem Eng 2014. [DOI: 10.1016/j.compchemeng.2014.03.020] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Escobar M, Trierweiler JO, Grossmann IE. Simultaneous synthesis of heat exchanger networks with operability considerations: Flexibility and controllability. Comput Chem Eng 2013. [DOI: 10.1016/j.compchemeng.2013.04.010] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Review: Important contributions in development and improvement of the heat integration techniques. Comput Chem Eng 2010. [DOI: 10.1016/j.compchemeng.2010.02.038] [Citation(s) in RCA: 128] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Young BR, Tellez R, Svrcek WY. Towards Integrated Process and Control System Synthesis for Heat-Integrated Plants. CAN J CHEM ENG 2008. [DOI: 10.1002/cjce.5450840209] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Giovanini L. Cooperative-feedback control. ISA TRANSACTIONS 2007; 46:289-302. [PMID: 17512934 DOI: 10.1016/j.isatra.2006.12.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2006] [Accepted: 12/26/2006] [Indexed: 05/15/2023]
Abstract
In this work a control structure capable of handling controllability problems, which emerge from the presence of constraints, and improve the performance of the system by coordinating the use of several manipulated variables is introduced. In this scheme, the primary manipulated variable is used to handle the transient response while the auxiliary manipulated variable is used to keep the primary manipulated variable away from saturation. These two manipulated variables are coordinated through a user-defined non-linear function, which decides when and how the control structure changes. Its parameters determine the interaction between both inputs and the steady state value of each manipulated variable. The effectiveness of the proposed scheme is illustrated in two simulation examples.
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Affiliation(s)
- Leonardo Giovanini
- Industrial Control Centre, University of Strathclyde, Graham Hills Building, 50 George Street, Glasgow G1 1QE, United Kingdom.
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Lersbamrungsuk V, Srinophakun T, Narasimhan S, Skogestad S. Control structure design for optimal operation of heat exchanger networks. AIChE J 2007. [DOI: 10.1002/aic.11366] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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González A, Odloak D, Marchetti J, Sotomayor O. Infinite Horizon MPC of a Heat-exchanger Network. Chem Eng Res Des 2006. [DOI: 10.1205/cherd05052] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Tellez R, Svrcek WY, Ross TJ, Young BR. Heat exchanger network process modifications for controllability using design reliability theory. Comput Chem Eng 2006. [DOI: 10.1016/j.compchemeng.2005.12.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Yan QZ, Yang YH, Huang YL. Cost-effective bypass design of highly controllable heat-exchanger networks. AIChE J 2006. [DOI: 10.1002/aic.690471012] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Giovanini LL. Flexible-structure control: a strategy for releasing input constraints. ISA TRANSACTIONS 2004; 43:361-376. [PMID: 15272792 DOI: 10.1016/s0019-0578(07)60154-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
In this paper output unreachability under input saturation phenomenon is studied: under a large disturbance or setpoint change, the process output may never reach the set point even when the manipulated variable has driven to saturation. The process output can be brought back to the set point only by activating an auxiliary manipulated variable. A new control structure for designing and implementing a control system capable of solving this problem is proposed by transferring the control from one variable to another and taking into account the different dynamics involved in the system. The control structure, called flexible-structure control due to its ability to adapt the control structure to the operating conditons, is a generalization of the split-range control. It can be summarized as two controllers connected through a piecewise linear function. This function decides, based on the value of one manipulated variable, when and how the control structure changes. Its parameters control the interaction between both manipulated variables and leave the capability for handling the balance between control quality and other goals to the operator.
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Affiliation(s)
- Leonardo L Giovanini
- Industrial Control Centre, University of Strathclyde, Graham Hills Building, 50 George Street, Glasgow G1 1QE, United Kingdom.
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Giovanini LL, Marchetti JL. Low-level flexible-structure control applied to heat exchanger networks. Comput Chem Eng 2003. [DOI: 10.1016/s0098-1354(03)00041-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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