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Multi-method simulation based tool to evaluate economic and environmental performance of circular product systems
KTH, School of Industrial Engineering and Management (ITM), Production Engineering.ORCID iD: 0000-0002-6590-7514
KTH, School of Industrial Engineering and Management (ITM), Production Engineering.ORCID iD: 0000-0002-5826-8670
KTH, School of Industrial Engineering and Management (ITM), Production Engineering.ORCID iD: 0000-0002-5960-2159
2016 (English)In: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 139, p. 1261-1281Article in journal (Refereed) Published
Abstract [en]

Purpose: The transition from linear to circular product systems is a big step for any organization. This may require an organization to change the way it does business, designs product and manages supply chain. As these three areas are interdependent, bringing change in one area will influence the others, for instance, changing the business model from conventional sales to leasing will demand changes in both product design and the supply chain. At the same time, it is essential for an organization to anticipate the economic and environmental impact of all changes before it may decide to implement the circular product systems. However, there is no tool available today that can assess economic and environmental performance of circular product systems. The purpose of this research is to develop a multi-method simulation based tool that can help to evaluate economic and environmental performance of circular product systems. Method: The conceptual models that are used to develop the tool have been formulated based on review of the state-of-the-art research. System Dynamics (SD) and Agent Based (AB) principles have been used to create the simulation model which has been implemented in Anylogic software platform. Originality: This research presents the first multi-method simulation based tool that can evaluate economic and environmental performance of circular product systems. Findings: Multi-method simulation technique is useful in designing dynamic simulation model that takes into consideration mutual interactions among critical factors of business model, product design and supply chain. It also allows predicting system's behaviour and its influence on the economic and environmental performance of circular product systems.

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 139, p. 1261-1281
National Category
Environmental Sciences
Identifiers
URN: urn:nbn:se:kth:diva-198948DOI: 10.1016/j.jclepro.2016.08.122ISI: 000386991600115Scopus ID: 2-s2.0-84995646374OAI: oai:DiVA.org:kth-198948DiVA, id: diva2:1065024
Note

QC 20170113

Available from: 2017-01-13 Created: 2016-12-22 Last updated: 2017-11-29Bibliographically approved
In thesis
1. Circular Manufacturing Systems: A development framework with analysis methods and tools for implementation
Open this publication in new window or tab >>Circular Manufacturing Systems: A development framework with analysis methods and tools for implementation
2017 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The society today lives on the philosophy of ‘take-make-use-dispose.’ In the long run, this is not sustainable as the natural resources and the waste carrying capacity of the earth are limited. Therefore, it is essential to reduce dependency on the natural resources by decoupling the growth from the consumption. In this venture, both the society and the manufacturing industry have a vital role to play. The society needs to shift towards Circular Economy that rests upon the philosophy of ‘take-make-use-reuse’ and the manufacturing industry has to be a major stakeholder in this shift. Despite being proven to be both economically and environmentally beneficial, successful examples of circular systems are few today. This is primarily due to two reasons; firstly, there is a lack of systemic and systematic approach to guide industries and secondly, there is a lack of analysis methods and tools that are capable of assessing different aspects of circular manufacturing systems. Taking on to these challenges, the objective of this research is to bring forward a framework with methods and decision support tools that are essential to implement circular manufacturing systems. The initial conceptual framework with the systemic approach is developed based on extensive review and analysis of research, which is further adapted for industrial implementation. Systematic analysis methods, decision support and implementation tools are developed to facilitate this adaptation. This development has been supported by four cases from diverse manufacturing sectors. Behind each decision support tool, there are analysis methods built upon mainly system dynamics principles. These tools are based on simulation platforms called Stella and Anylogic. Among other things, these tools are capable of assessing the performance of closed-loop supply chains, consequences of resource scarcity, potential gains from resource conservation and overall economic and environmental performance of circular manufacturing systems.

Place, publisher, year, edition, pages
KTH Royal Institute of Technology, 2017. p. 120
Series
TRITA-IIP, ISSN 1650-1888 ; 05
Keywords
Circular economy, circular manufacturing systems, resource conservative manufacturing, ResCoM, system dynamics
National Category
Production Engineering, Human Work Science and Ergonomics
Research subject
Production Engineering
Identifiers
urn:nbn:se:kth:diva-207470 (URN)978-91-7729-403-0 (ISBN)
Public defence
2017-06-08, Brinellsalen M311, Brinellvägen 68, Stockholm, 10:00 (English)
Opponent
Supervisors
Projects
ResCoM: Resource Conservative Manufacturing- transforming waste into high value resource through closed-loop product systems
Funder
EU, FP7, Seventh Framework Programme, 603843
Note

QC 20170522

Available from: 2017-05-22 Created: 2017-05-19 Last updated: 2017-05-22Bibliographically approved
2. From resource efficiency to resource conservation: Studies, developments and recommendations for industrial implementation of circular manufacturing systems
Open this publication in new window or tab >>From resource efficiency to resource conservation: Studies, developments and recommendations for industrial implementation of circular manufacturing systems
2017 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Manufacturing industry is under permanent pressure to maintain its economic growth and profitability as strong societal backbone. At the same time pressures of waste generation and resource consumption are increasing as result of manufacturing operations. Since manufacturing industry is one of the major consumers of natural resources it is therefore essential to reduce dependency on natural resources by decoupling economic growth from consumption. Resource efficiency approaches can improve the performance of production systems by reducing resource losses. However, the fundamental assumption at the basis of resource efficiency approaches is that resources are available infinitely. As a consequence, challenges of sustainability and resource scarcity remain inadequately addressed. The objective of this research is to develop analysis methods and decision support tools for manufacturing industry to facilitate its transition from linear production systems to circular manufacturing systems, which are economically viable and environmentally sustainable. The initial scope of study focuses on industrial resource efficiency assessment in production systems. Expanding the view to a manufacturing system perspective, the current research is explored with regard to circular manufacturing systems in the context of economic benefits, resource scarcity and waste generation. Systematic analysis methods and decision support tools are developed for industrial companies to facilitate the adaption of circular manufacturing systems. These developments are supported by industrial case studies. The analysis methods are to the largest extent based on agent-based simulation approaches. The tools are capable of assessing the economic and environmental impact of different business models, design strategies as well as supply chains settings. Moreover, the tools are able to determine whether introductions of new (circular) business models will be adopted by customers. One empirical market study is performed to investigate value propositions of a circular business approaches based on customer decisions.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2017. p. 97
Series
TRITA-IIP, ISSN 1650-1888 ; 17-08
Keywords
Circular economy, Circular manufacturing systems, Resource conservative manufacturing, ResCoM, Agent-based modelling, Multi-method modelling
National Category
Engineering and Technology
Research subject
Production Engineering
Identifiers
urn:nbn:se:kth:diva-212923 (URN)978-91-7729-489-4 (ISBN)
Public defence
2017-09-22, F3, Lindstedtsvägen 26, Stockholm, 10:00 (English)
Opponent
Supervisors
Funder
EU, FP7, Seventh Framework Programme
Note

QC 20170825

Available from: 2017-08-25 Created: 2017-08-24 Last updated: 2017-08-31Bibliographically approved

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