Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Combining Flexibility and Efficiency in Automotive Assembly: Preparing for New Powertrain Vehicles
Linköping University, Department of Management and Engineering, Assembly technology. Linköping University, The Institute of Technology.
2011 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Global warming and peak oil are drawing attention to new types of energy technologies. Since transportation is one of the main contributors to carbon emissions and one of the biggest consumers of oil, new technologies to propel vehicles are being introduced. For the automotive industry, where the Internal Combustion Engine (ICE) has had complete dominance for some hundred years, the transition to new powertrains will be challenging for the entire operation.

These new powertrain vehicles must not only be developed and tested, which is an enormous challenge in itself; they must also be manufactured with the same efficiency as ICE vehicles in order to reach a competitive price. There is great uncertainty regarding which powertrain solution will become the next paradigm, or even if there will be a new propulsion paradigm as dominant as the ICE. This, in combination with the fact that these new powertrain vehicles will initially be produced in relatively small volumes, probably calls for them to be produced in current manufacturing facilities mixed with ICE vehicles. This challenge is the foundation for this research.

In order to manage the manufacturing challenges related to the introduction of new powertrain vehicles, both theoretical and empirical data have been analysed in this research. The empirical data is taken mainly from interviews, the author’s own observations and workshops with Volvo Cars and SAAB Automobile.

In order to produce new powertrain vehicles in existing facilities, flexibility are identified as central components in this research. However, the flexibility needs to be achieved without affecting the efficiency of the manufacturing system. To achieve flexible automotive final assembly, four key flexibilities are identified in this research:

  • Mix Flexibility
  • New Product Flexibility
  • Modification Flexibility
  • Volume Flexibility

To achieve these flexibilities, three key factors are identified and investigated in this research:

  • Mixed Model
  • AssemblyModularity
  • Platform Strategy

This research describes these key factors’ relationship with one another, as well as their relationship to the key flexibilities. This research describes how the key factors are used to achieve flexibility in current final assembly, and how they can be used in future automotive final assembly. This is presented as a relationship model to combine flexibility and efficiency in automotive final assembly.

A first step towards a stringent automotive product architecture-platform-vehicle structure is presented, along with key factors that are important in a successful automotive platform strategy. Guidelines are also described for how new powertrain vehicles should be designed in order to achieve as efficient final assembly as possible.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press , 2011. , 66 p.
Series
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 1501
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-70055Local ID: LIU-TEK-LIC-2011:40ISBN: 978-91-7393-105-2 (print)OAI: oai:DiVA.org:liu-70055DiVA: diva2:435037
Presentation
2011-08-19, IKP3, ing. 15b 1 tr, Campus Valla, Linköpings universitet, Linköping, 10:15 (Swedish)
Opponent
Supervisors
Available from: 2011-08-17 Created: 2011-08-17 Last updated: 2016-09-26Bibliographically approved
List of papers
1. To stay competitive in future automotive assembly – Some challenges related to flexibility
Open this publication in new window or tab >>To stay competitive in future automotive assembly – Some challenges related to flexibility
2011 (English)In: Proceedings of the 2nd International Conference on Industrial Engineering and Operations Management (IEOM 2012), 2011, 62-67 p.Conference paper, Published paper (Other academic)
Abstract [en]

The undergoing adaptation of mass customization, alongside the development and demand for new power trains, is challenging the manufacturing system of automotive manufacturers. This, in combination with demands from emerging markets and constantly decreasing product lifecycles, calls for increased flexibility. Based on the research findings, key flexibility types for the automotive industry were identified as Mix, New Product, Modification and Volume flexibility. To achieve these flexibilities, the mixed model assembly, modularity and platform strategies are identified as important factors. A generic BOP as part of the platform strategy is central to enable transferring of production.

Keyword
Automotive, flexibility, mixed model assembly, platform, modularity
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-70052 (URN)
Conference
The 2nd International Conference on Industrial Engineering and Operations Management (IEOM 2012) 22nd – 24th of January 2011, Kuala Lumpur, Malaysia
Available from: 2011-08-17 Created: 2011-08-17 Last updated: 2016-09-26Bibliographically approved
2. Successful Automotive Platform Strategy – Key Factors
Open this publication in new window or tab >>Successful Automotive Platform Strategy – Key Factors
2011 (English)In: Proceedings of the 4th International Swedish Production Symposium, 2011, 85-92 p.Conference paper, Published paper (Other academic)
Abstract [en]

This article aims to describe the benefits, problems and challenges associated with a platform strategy. Based on theoretical and empirical studies, some key factors for a successful platform strategy are identified and discussed. This paper also explores how a successful platform strategy in the automotive industry should be designed. There is no stringent platform definition in the automotive industry, and the definition varies between different manufacturers and over time. A literature review has been completed to identify some key factors in successful platform strategies. The identified factors are as follows: Bill of Process, Hard Points, Wheelbase, Track Width, Powertrain Architecture and Drive Wheel Positioning. These factors were then investigated at both SAAB Automobile and Volvo Cars through the authors´ own observations conducted during factory visits and interviews. This was done in order to evaluate the identified factors from their effect on the production system and the final product. These factors are considered important to be able to get scale benefits from the use of common components and production processes, at the same time as they allow vehicles to be tailored for different markets and customer needs.

Keyword
Automotive, Platform, Architecture, Bill of Process, Hard Points
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-70053 (URN)
Conference
The 4th International Swedish Production Symposium 3rd – 5th of May 2011, Lund, Sweden
Available from: 2011-08-17 Created: 2011-08-17 Last updated: 2016-09-26Bibliographically approved
3. Manufacturing Challenges Associated With the introduction of New Powertrain Vehicles
Open this publication in new window or tab >>Manufacturing Challenges Associated With the introduction of New Powertrain Vehicles
2011 (English)In: Proceedings of 21st International Conference on Production Research ICPR21, 2011Conference paper, Published paper (Other academic)
Abstract [en]

For the automotive industry, where the Internal Combustion Engine (ICE) has had complete dominance, the transition to new powertrains will be challenging. The new powertrain vehicles must be manufactured with the same efficiency as ICE vehicles in order to reach a competitive price. This article explores some of the manufacturing challenges related to workload differences in current products and those associated with the introduction of new powertrain vehicles in a Mixed Model Assembly line for ICE vehicles. Three possible solutions to workload differences are described in theory, including how they are used in the current manufacturing system and how they might be used when introducing new powertrain vehicles. The solutions found were sequencing, dedicated assembly stations and modularity. In conclusion, it is suggested that modularity is the most efficient method in terms of flexibility and utilization, and some design approaches to facilitate efficient manufacturing are also suggested.

Keyword
Automotive, Mixed Model Assembly, Workload, Sequencing, Modularity
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-70054 (URN)978-3-8396-0293-5 (ISBN)
Conference
The 21st International Conference on Production Research 31st of July - 4th of August 2011, Stuttgart, Germany
Available from: 2011-08-17 Created: 2011-08-17 Last updated: 2016-09-26Bibliographically approved

Open Access in DiVA

Combining Flexibility and Efficiency in Automotive Assembly: Preparing for New Powertrain Vehicles(1247 kB)3003 downloads
File information
File name FULLTEXT01.pdfFile size 1247 kBChecksum SHA-512
f5b16dae33195718af3ae1954751e93901e3d8717533d178eb61e6039a2c09ec4c9a4a4a4a4cdf418bdd3d1b1c4a10a2bc7799d4fc86bb0afa78d1ec6d1f16de
Type fulltextMimetype application/pdf
omslag(382 kB)73 downloads
File information
File name COVER01.pdfFile size 382 kBChecksum SHA-512
06a2d5a85cf88a4de2a46497edc2ce0027c38a75e4158f1eaea9b17964fb84443f60467e9d6a5955864180186e0de269492152ac04a5adab8ca17b4127fe6264
Type coverMimetype application/pdf

Search in DiVA

By author/editor
Diffner, Björn
By organisation
Assembly technologyThe Institute of Technology
Engineering and Technology

Search outside of DiVA

GoogleGoogle Scholar
Total: 3003 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

isbn
urn-nbn

Altmetric score

isbn
urn-nbn
Total: 387 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf