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A Systematic approach to modelling of energy usage by Human Activity System (HAS) and Energy Usage Systems (EUS)
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
2011 (English)Conference paper, Published paper (Refereed)
Abstract [en]

The main goal of the paper is to introduce a chosen modelling approach and provide a discussion on this. The article describes modelling of energy use as a consequence of human activities in cities and especially situation where the opportunities for change are significant. We call these Situations of Opportunities (SitOpp). The paper describes a modelling approach aiming at tools to explore these situations further. The methodology is based on the concept of Human Activity Systems (HAS - What people do) and Energy Usage Systems (EUS - the system that supports these activities by aid of energy). The modelling process consists of several steps: conceptual, qualitative and finally quantitative models are built for each SitOpp. The modelling process is supported by the construction of so-called Causal Loop Diagram (CLD) to facilitate multi-stakeholder and cross-disciplinary modelling.

 

This study presents schematically a process to create conceptual as well as qualitative models, and the modelling process, aiming to quantitatively determine the need for primary energy in three city parts of Stockholm.  The SitOpps are chosen as part of a transformation process to a normative future goal towards the so-called 2000W society (2kW is equivalent to an energy usage of 17 500 kWh per person and year). The CO2 emissions should also be reduced from today’s levels to 1ton/y and person.

 

One of the main tasks of this project is to develop a methodology to systematically model HAS and EUS, going from the conceptual over the qualitative to the quantitative mode. The project uses the STELLA software program to build the quantitative models. One important aspects of the project is the understanding of the change agents (actors) and the change process. The modelling process is supporting parallel scenario building activities using back-casting techniques.

Place, publisher, year, edition, pages
2011.
Keyword [en]
Modelling process/approach, Human Activity System (HAS), Energy Usage Systems (EUS), STELLA software
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:kth:diva-74944OAI: oai:DiVA.org:kth-74944DiVA: diva2:491966
Conference
Smart Energy Strategies conference, Zurich, Switzerland, September 21-23, 2011
Projects
Situations of Opportunity in the Growth and Change of three Stockholm City Districts (SitCit)
Note
QC 20120210Available from: 2012-02-07 Created: 2012-02-04 Last updated: 2012-02-22Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • de-DE
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Output format
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