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Control design guidelines: a study of physical proporties in relation to function, feel and expectation
2002 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis was performed at the Ergonomics department at Volvo Car Corporation during the autumn term 2001. The purpose of it was to produce a general specification containing guidelines and recommendations for different controls used on the instrument panel in cars. The specification was focused on control characteristics of vital importance to physical ergonomics and experienced sensation. The department also needed a thoroughly made Competitor analysis done in this area and due to lack of knowledge on the subject the analysis together with a literature study was considered a good start. The analysis was set on examining how Volvo Cars and its main competitors in the “entry luxury” and “mid luxury” car segment have designed the controls in their instrument panel. When this was completed the next step was to do a Focus group study where a limited number of persons were testing several different controls and control types and evaluating them. This investigation was made to determine which controls are preferred or not and also why. To have something concrete to relate some of the survey results to, Reaction force measurements were done. These measurements resulted in a couple of reaction force curves that showed the different characteristics. Based on the results from the literature study, the Competitor analysis, the Focus group survey and the measurements the recommendations and the guidelines were generated as conclusions. The conclusions contain four types of controls: pushbuttons, rotary knobs, pointed bar knobs and thumbwheels. The recommendations vary in content between the different types but feedback, feel, function, quality and design are the major parts. The guidelines also vary a little with size, travel and reaction force as the main elements. An example of a recommendation is that to get a good quality rate for pushbuttons it is important to avoid instability, shiny plastic surfaces and designing a button that will shock the user in any way. As a verification of the recommendations six different drafts and variations of controls for the primary functions in the climate system were developed and evaluated according to the guidelines. By primary functions is meant airflow, temperature, air distribution and an on/off function. These drafts were than put together to form six entire climate system concepts. One of them was then chosen as the most suitable to use in a car. This is because it is easy to use and does not take up too much space.

Place, publisher, year, edition, pages
2002.
Keyword [en]
Technology, Control, ergonomics, guidelines, buttons
Keyword [sv]
Teknik
Identifiers
URN: urn:nbn:se:ltu:diva-51926ISRN: LTU-EX--02/108--SELocal ID: 918d3719-8440-429c-8993-7f940f8638a9OAI: oai:DiVA.org:ltu-51926DiVA: diva2:1025290
Subject / course
Student thesis, at least 30 credits
Educational program
Ergonomic Design & Production Engineering, master's level
Examiners
Note
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • 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
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  • text
  • asciidoc
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