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Optimizing Energy Efficiency in a Peltier-Module-Based Cooling Microunit through Selected Control Algorithms

Author

Listed:
  • Stanisław Lis

    (Department of Bioprocesses Engineering, Energetics and Automatization, Faculty of Production and Power Engineering, University of Agriculture in Kraków, Balicka Street 116b, 30-149 Kraków, Poland)

  • Jarosław Knaga

    (Department of Bioprocesses Engineering, Energetics and Automatization, Faculty of Production and Power Engineering, University of Agriculture in Kraków, Balicka Street 116b, 30-149 Kraków, Poland)

  • Sławomir Kurpaska

    (Department of Bioprocesses Engineering, Energetics and Automatization, Faculty of Production and Power Engineering, University of Agriculture in Kraków, Balicka Street 116b, 30-149 Kraków, Poland)

  • Stanisław Famielec

    (Department of Bioprocesses Engineering, Energetics and Automatization, Faculty of Production and Power Engineering, University of Agriculture in Kraków, Balicka Street 116b, 30-149 Kraków, Poland)

  • Piotr Łyszczarz

    (Department of Bioprocesses Engineering, Energetics and Automatization, Faculty of Production and Power Engineering, University of Agriculture in Kraków, Balicka Street 116b, 30-149 Kraków, Poland)

  • Marek Machaczka

    (Deep Blue Solutions, Baranieckiego Street 3, 30-227 Kraków, Poland)

Abstract

This research covers the process of heat exchange in a cooling microunit equipped with Peltier modules. We put forward that by choosing the control algorithm, not only the control signal quality in such a system is affected but also its energy consumption. Tests were carried out for the following algorithms: relay, parallel PID, serial PID, and PID + DD. An experimental setup was developed that allowed for recording the step response of the investigated plant. Next, the transfer function of the plant was formulated, and a simulation model of the control system was developed using the MatLab ® -Simulink environment. Through computer simulation for a selected system operation procedure (cooling down to three set temperatures and maintaining them for 5000 s), the quality of control signals and the influence on energy use were investigated. The cumulative energy value for each of the algorithms and the cumulative difference in energy consumption between the controllers were calculated. The best results in terms of control quality were obtained for the parallel PID controller. The lowest energy consumption was observed for the relay controller, with the difference compared to other investigated controllers reaching 4.3% and 9.0%, without and with the presence of signal disturbances, respectively.

Suggested Citation

  • Stanisław Lis & Jarosław Knaga & Sławomir Kurpaska & Stanisław Famielec & Piotr Łyszczarz & Marek Machaczka, 2024. "Optimizing Energy Efficiency in a Peltier-Module-Based Cooling Microunit through Selected Control Algorithms," Energies, MDPI, vol. 17(20), pages 1-22, October.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:20:p:5031-:d:1495708
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    References listed on IDEAS

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    1. He, Wei & Zhou, Jinzhi & Hou, Jingxin & Chen, Chi & Ji, Jie, 2013. "Theoretical and experimental investigation on a thermoelectric cooling and heating system driven by solar," Applied Energy, Elsevier, vol. 107(C), pages 89-97.
    2. He, Wei & Zhang, Gan & Zhang, Xingxing & Ji, Jie & Li, Guiqiang & Zhao, Xudong, 2015. "Recent development and application of thermoelectric generator and cooler," Applied Energy, Elsevier, vol. 143(C), pages 1-25.
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