Multi‐agent control in modular motor drives by means of gossip consensus

Abstract A modular motor drive (MMD) can be considered as a multi‐agent system, in which the agents work together to reach a common goal. One agent in such an MMD comprises only a subset of the concentrated windings and power electronic converter modules and is equipped with an independent controlle...

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Main Authors: Lynn Verkroost, Frederik De Belie, Peter Sergeant, Hendrik Vansompel
Format: Article
Language:English
Published: Wiley 2022-04-01
Series:IET Electric Power Applications
Subjects:
Online Access:https://doi.org/10.1049/elp2.12170
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author Lynn Verkroost
Frederik De Belie
Peter Sergeant
Hendrik Vansompel
author_facet Lynn Verkroost
Frederik De Belie
Peter Sergeant
Hendrik Vansompel
author_sort Lynn Verkroost
collection DOAJ
description Abstract A modular motor drive (MMD) can be considered as a multi‐agent system, in which the agents work together to reach a common goal. One agent in such an MMD comprises only a subset of the concentrated windings and power electronic converter modules and is equipped with an independent controller. The goal of this research is to let the agents cooperate to distribute a torque demand among them in a completely decentralised way, in order to comply with the flexibility and reliability of modular motor drives. However, the current condition of each agent must still be taken into account during this torque allocation. To limit the communication load, only communication between neighbouring agents is allowed. The combination of a gossip consensus algorithm and multiple decentralised PI current controllers is used for this purpose. Simulations and experimental results on a modular axial‐flux permanent magnet synchronous machine consisting of five agents confirm that the total torque demand is delivered under the proposed control strategy, even during agent malfunctions, under random communication link failures and with non‐identical agents.
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spelling doaj.art-30bbc6a15aa74e39b0e3bd50c1eaafa52022-12-22T03:46:59ZengWileyIET Electric Power Applications1751-86601751-86792022-04-0116448349710.1049/elp2.12170Multi‐agent control in modular motor drives by means of gossip consensusLynn Verkroost0Frederik De Belie1Peter Sergeant2Hendrik Vansompel3Department of Electromechanical, Systems and Metal Engineering Ghent University Ghent BelgiumDepartment of Electromechanical, Systems and Metal Engineering Ghent University Ghent BelgiumDepartment of Electromechanical, Systems and Metal Engineering Ghent University Ghent BelgiumDepartment of Electromechanical, Systems and Metal Engineering Ghent University Ghent BelgiumAbstract A modular motor drive (MMD) can be considered as a multi‐agent system, in which the agents work together to reach a common goal. One agent in such an MMD comprises only a subset of the concentrated windings and power electronic converter modules and is equipped with an independent controller. The goal of this research is to let the agents cooperate to distribute a torque demand among them in a completely decentralised way, in order to comply with the flexibility and reliability of modular motor drives. However, the current condition of each agent must still be taken into account during this torque allocation. To limit the communication load, only communication between neighbouring agents is allowed. The combination of a gossip consensus algorithm and multiple decentralised PI current controllers is used for this purpose. Simulations and experimental results on a modular axial‐flux permanent magnet synchronous machine consisting of five agents confirm that the total torque demand is delivered under the proposed control strategy, even during agent malfunctions, under random communication link failures and with non‐identical agents.https://doi.org/10.1049/elp2.12170AC motor drivespermanent magnet machines
spellingShingle Lynn Verkroost
Frederik De Belie
Peter Sergeant
Hendrik Vansompel
Multi‐agent control in modular motor drives by means of gossip consensus
IET Electric Power Applications
AC motor drives
permanent magnet machines
title Multi‐agent control in modular motor drives by means of gossip consensus
title_full Multi‐agent control in modular motor drives by means of gossip consensus
title_fullStr Multi‐agent control in modular motor drives by means of gossip consensus
title_full_unstemmed Multi‐agent control in modular motor drives by means of gossip consensus
title_short Multi‐agent control in modular motor drives by means of gossip consensus
title_sort multi agent control in modular motor drives by means of gossip consensus
topic AC motor drives
permanent magnet machines
url https://doi.org/10.1049/elp2.12170
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AT hendrikvansompel multiagentcontrolinmodularmotordrivesbymeansofgossipconsensus