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Decentralized Decision Making in Multi-Agent Systems
Norwegian University of Science and Technology, Faculty of Information Technology, Mathematics and Electrical Engineering, Department of Engineering Cybernetics.
2011 (English)MasteroppgaveStudent thesis
Abstract [en]
The literature in the feld of multi-agent manufacturing control predom- inantly presents qualitative arguments to motivate its usage. This work presents quantitative meaning to some of these arguments. The work also discusses the control structuring process and puts it into perspective with multi-agent control. A suitable example for the analysis of multi-agent con- trol is developed. A two layered approach for the control of this example process is proposed and it is shown that agents can be used in both of these layers. An ad-hoc analysis is made of the top layer and simulation results shows that a distributed control approach introduces an optimality gap when compared to a centralized approach. Further simulation results show that a layered approach to multi-agent control for the proposed process improves overall performance by increasing agent coordination. To date there has been a lack of industry adoption of multi-agent tech- nologies. The industry seems to favor control approaches that are well tested and with quantifiable evidence supporting their efficiency. The development of simulators that capture the full complexity of manufacturing processes is a time consuming task. The example process proposed in this work only captures some core dynamics. Further work on presenting more quantifiable arguments for the use of multi-agent control is thus motivated throughout the thesis. The ideas presented in this thesis are included in the article ’MAS for manufacturing control: A layered case study’ by Pedersen et al. The article is aimed for submission to the AAMAS 2012 conference in Valencia.
Place, publisher, year, edition, pages
Institutt for teknisk kybernetikk , 2011. , 104 p.
Keyword [no]
ntnudaim:6291, MTTK teknisk kybernetikk, Reguleringsteknikk
URN: urn:nbn:no:ntnu:diva-13461Local ID: ntnudaim:6291OAI: diva2:439060
Available from: 2011-09-06 Created: 2011-09-06

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