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Flexible Methane Production Using a Proportional Integral Controller with Simulation‐Based Soft Sensor

  • Anaerobic digestion plants have the potential to produce biogas on demand to help balance renewable energy production and energy demand by consumers. A proportional integral (PI) controller is constructed and tuned with a novel tuning method to control biogas production in an optimal manner. In this approach, the proportional part of the controller is a function of the feeding rate and system's degree of stability. To estimate the degree of stability, a simulation‐based soft sensor is developed. By means of the PI controller, the requirement for gas storage capacity of the digester is reduced by approximately 30 % compared to a constant, continuous feeding regime of the digester.

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Author:Niloofar Raeyatdoost, Robin Eccleston, Christian Wolf
Parent Title (English):Chemical Engineering & Technology
Year of Completion:2019
Document Type:Article
Date of first Publication:2019/12/19
Date of Publication (online):2020/10/15
GND-Keyword:Biogasgewinnung; Methanproduktion; PI-Regler; Virtueller Sensor
Tag:Flexible biogas production; Methane production; Proportional integral controllers; Soft sensor
Page Number:9
Institutes:Informatik und Ingenieurwissenschaften (F10) / Fakultät 10 / Institut für Automation & Industrial IT
Dewey Decimal Classification:500 Naturwissenschaften und Mathematik
Open Access:Open Access
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International