Comparative study of algorithms for optimized control of industrial energy supply systems

Abstract Both rising and more volatile energy prices are strong incentives for manufacturing companies to become more energy-efficient and flexible. A promising approach is the intelligent control of Industrial Energy Supply Systems (IESS), which provide various energy services to industrial product...

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Main Authors: Thomas Kohne, Heiko Ranzau, Niklas Panten, Matthias Weigold
Format: Article
Language:English
Published: SpringerOpen 2020-10-01
Series:Energy Informatics
Subjects:
Online Access:http://link.springer.com/article/10.1186/s42162-020-00115-7
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author Thomas Kohne
Heiko Ranzau
Niklas Panten
Matthias Weigold
author_facet Thomas Kohne
Heiko Ranzau
Niklas Panten
Matthias Weigold
author_sort Thomas Kohne
collection DOAJ
description Abstract Both rising and more volatile energy prices are strong incentives for manufacturing companies to become more energy-efficient and flexible. A promising approach is the intelligent control of Industrial Energy Supply Systems (IESS), which provide various energy services to industrial production facilities and machines. Due to the high complexity of such systems widespread conventional control approaches often lead to suboptimal operating behavior and limited flexibility. Rising digitization in industrial production sites offers the opportunity to implement new advanced control algorithms e. g. based on Mixed Integer Linear Programming (MILP) or Deep Reinforcement Learning (DRL) to optimize the operational strategies of IESS.This paper presents a comparative study of different controllers for optimized operation strategies. For this purpose, a framework is used that allows for a standardized comparison of rule-, model- and data-based controllers by connecting them to dynamic simulation models of IESS of varying complexity. The results indicate that controllers based on DRL and MILP have a huge potential to reduce energy-related cost of up to 50% for less complex and around 6% for more complex systems. In some cases however, both algorithms still show unfavorable operating behavior in terms of non-direct costs such as temperature and switching restrictions, depending on the complexity and general conditions of the systems.
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spelling doaj.art-51ad786ff10b415eaff3e37524f9f7512022-12-22T01:16:37ZengSpringerOpenEnergy Informatics2520-89422020-10-013S111910.1186/s42162-020-00115-7Comparative study of algorithms for optimized control of industrial energy supply systemsThomas Kohne0Heiko Ranzau1Niklas Panten2Matthias Weigold3Institute of Production Management, Technology and Machine Tools, Technical University of DarmstadtInstitute of Production Management, Technology and Machine Tools, Technical University of DarmstadtInstitute of Production Management, Technology and Machine Tools, Technical University of DarmstadtInstitute of Production Management, Technology and Machine Tools, Technical University of DarmstadtAbstract Both rising and more volatile energy prices are strong incentives for manufacturing companies to become more energy-efficient and flexible. A promising approach is the intelligent control of Industrial Energy Supply Systems (IESS), which provide various energy services to industrial production facilities and machines. Due to the high complexity of such systems widespread conventional control approaches often lead to suboptimal operating behavior and limited flexibility. Rising digitization in industrial production sites offers the opportunity to implement new advanced control algorithms e. g. based on Mixed Integer Linear Programming (MILP) or Deep Reinforcement Learning (DRL) to optimize the operational strategies of IESS.This paper presents a comparative study of different controllers for optimized operation strategies. For this purpose, a framework is used that allows for a standardized comparison of rule-, model- and data-based controllers by connecting them to dynamic simulation models of IESS of varying complexity. The results indicate that controllers based on DRL and MILP have a huge potential to reduce energy-related cost of up to 50% for less complex and around 6% for more complex systems. In some cases however, both algorithms still show unfavorable operating behavior in terms of non-direct costs such as temperature and switching restrictions, depending on the complexity and general conditions of the systems.http://link.springer.com/article/10.1186/s42162-020-00115-7Industrial energy supply systemsControl strategiesMixed integer linear programmingDeep reinforcement learningComparative study
spellingShingle Thomas Kohne
Heiko Ranzau
Niklas Panten
Matthias Weigold
Comparative study of algorithms for optimized control of industrial energy supply systems
Energy Informatics
Industrial energy supply systems
Control strategies
Mixed integer linear programming
Deep reinforcement learning
Comparative study
title Comparative study of algorithms for optimized control of industrial energy supply systems
title_full Comparative study of algorithms for optimized control of industrial energy supply systems
title_fullStr Comparative study of algorithms for optimized control of industrial energy supply systems
title_full_unstemmed Comparative study of algorithms for optimized control of industrial energy supply systems
title_short Comparative study of algorithms for optimized control of industrial energy supply systems
title_sort comparative study of algorithms for optimized control of industrial energy supply systems
topic Industrial energy supply systems
Control strategies
Mixed integer linear programming
Deep reinforcement learning
Comparative study
url http://link.springer.com/article/10.1186/s42162-020-00115-7
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AT niklaspanten comparativestudyofalgorithmsforoptimizedcontrolofindustrialenergysupplysystems
AT matthiasweigold comparativestudyofalgorithmsforoptimizedcontrolofindustrialenergysupplysystems