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Industrial timber house building – levels of automation
Jönköping University, School of Engineering, JTH. Research area Industrial Production. (Industrial Engineering and Management)
Chalmers University of Technology.ORCID iD: 0000-0003-3236-5648
2016 (English)In: ISARC 2016, International Association for Automation and Robotics in Construction (IAARC) , 2016, p. 470-477Conference paper, Published paper (Refereed)
Abstract [en]

Swedish industrial timber house building faces a constantly increasing housing demand. In order to respond to the demand, companies in this sector, have to improve their businesses in terms of productivity. At the same time, they need to meet customer requirements, i.e., offering flexible building solutions, thus creating a balance between productivity and flexibility. Off-site assembly of exterior walls is an essential part of the house production, and cutting down lead times at this phase hence, increases the competitiveness. If introduced in a right way, automation can contribute to a higher productivity. Thus, right levels of both physical and cognitive automation are necessary. The objective of this study is to measure the current levels of automation (LoA) within the off-site exterior wall assembly. Research design consisted of a literature study and a case study that was conducted at a Swedish company that is an engineer-to-order producer of single-family timber houses. A case study design was made according to the DYNAMO ++ framework. The framework was used in the assessment of LoA and designing flexible task allocation in many manufacturing industries, but there is a lack of knowledge on how to use this method in the industrial timber house building. The average physical and cognitive LoA of 124 identified tasks are 3 and 1 respectively. Increased physical and cognitive LoA for critical tasks would enable flexible task allocation between human operators and technology. It is believed that this type of flexibility can result in less production disturbances and higher productivity when a high variety of exterior walls is assembled.

Place, publisher, year, edition, pages
International Association for Automation and Robotics in Construction (IAARC) , 2016. p. 470-477
Keywords [en]
physical and cognitive levels of automation, hierarchical task analysis, exterior wall, single-family timber house, off-site assembly
National Category
Production Engineering, Human Work Science and Ergonomics
Identifiers
URN: urn:nbn:se:hj:diva-32238Scopus ID: 2-s2.0-84994252447OAI: oai:DiVA.org:hj-32238DiVA, id: diva2:1044622
Conference
33rd International Symposium on Automation and Robotics in Construction, Auburn, United States, 18 July 2016 through 21 July 2016
Funder
Knowledge FoundationAvailable from: 2016-11-04 Created: 2016-11-04 Last updated: 2018-01-19Bibliographically approved
In thesis
1. Off-site manufacturing systems development in timber house building: Towards mass customization-oriented manufacturing
Open this publication in new window or tab >>Off-site manufacturing systems development in timber house building: Towards mass customization-oriented manufacturing
2018 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

The need for housing in Sweden has been showing a constant increase over the past couple of years. However, this situation might change in 2018 since there are indications that the increase in demand will reach its peak. On the other hand, the use of timber as a load bearing structure has become more popular in the multi-family house building sector. It is competing with concrete and steel frames, and its market share might even reach 50% by the year of 2025. Adding the involvement of customers in house design decisions and a high level of customization, the conclusion is that timber house building must continue the development towards mass customization. There is a lack of knowledge on how mass customization is developed and implemented regarding off-site manufacturing systems. In this thesis, a contribution is made to manufacturing system development in timber house building by proposing a novel approach to aligning off-site manufacturing systems to the requirements of production strategy, market needs, product design, and manufacturing processes. The proposed conceptual framework is a synthesis of the knowledge gained from three empirical studies and different methods found in theories of changeable manufacturing systems, mass customization, and manufacturing system development. The research purpose addressed by the presented work, is to increase the knowledge on how the development potential of off-site manufacturing systems can be identified in mass customization-oriented timber house building. Case study research was applied to gather the empirical data. The data collection and analysis methods used in the empirical studies can be useful when discussing the potential improvements. However, these data are not comprehensive enough in terms of presenting a holistic view of off-site manufacturing and consideration of the market as well as variation in product and processes. Therefore, a comprehensive set of requirements is proposed in the conceptual framework together with a step by step description of how the development potential of off-site manufacturing systems can be identified.

Abstract [sv]

Behovet av bostäder i Sverige har ständigt ökat under de senaste åren. Denna situation kan dock förändras 2018, eftersom det finns tecken på att ökningen av efterfrågan kommer att nå sin topp. Å andra sidan har användningen av trä som lastbärande konstruktion blivit mer populär i flerfamiljshusbyggnaden. Det konkurrerar med betong- och stålstomme och dess marknadsandel kan till och med nå 50% år 2025. Att lägga kundernas medverkan i husdesignbeslut och en hög anpassningsnivå är slutsatsen att trähusbyggnaden måste fortsätta utveckling mot mass customization (MC). Det finns brist på kunskap om hur MC utvecklas och implementeras när det gäller off-site tillverkningssystem. I denna avhandling görs ett bidrag till tillverkningssystemutveckling i trähusbyggnad genom att föreslå ett nytt tillvägagångssätt för att anpassa tillverkningssystem till de olika kraven av produktionsstrategier, marknaden, produktdesign och tillverkningsprocesser. Den föreslagna konceptuella ramen är en sammansättning av kunskapen från tre empiriska studier och olika metoder som finns i teorier om förändringsbara tillverkningssystem, MC och tillverkningssystemutveckling. Forskningssyftet med det presenterade arbetet är att öka kunskapen om hur utvecklingspotentialen av off-site tillverkningssystem utanför anläggningen kan identifieras i MC-orienterad trähusbyggnad. Fallstudier användes för att samla empiriska data. Datainsamlings- och analysmetoderna som används i de empiriska studierna kan vara användbara när man diskuterar potentiella förbättringar. Men denna information är inte tillräckligt komplett när det gäller att presentera enhelhetsbild av off-site tillverkning, utan en bedömning av marknaden samt kunskap om variationer i produkt- och processer behövs även. Därför presenteras det konceptuella ramverket, inklusive en kravlista samt en stegvis beskrivning av hur utvecklingspotentialen för off-site tillverkningssystem kan identifieras.

Place, publisher, year, edition, pages
Jönköping: Jönköping University, School of Engineering, 2018. p. 77
Series
JTH Dissertation Series ; 035
National Category
Production Engineering, Human Work Science and Ergonomics Wood Science
Identifiers
urn:nbn:se:hj:diva-38611 (URN)978-91-87289-36-1 (ISBN)
Supervisors
Available from: 2018-01-19 Created: 2018-01-19 Last updated: 2018-01-23Bibliographically approved

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Popovic, DjordjeWinroth, Mats

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