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Development tool for push-buttons inside truck cabin
Linköping University, Department of Mechanical Engineering.
2005 (English)Independent thesis Advanced level (degree of Magister), 20 points / 30 hpStudent thesis
Abstract [en]

When developing the driver interface in their trucks, Scania is highly concerned with creating a certain feeling. When pressing a push-button this Scania feeling shall be perceived. It is not obvious what the Scania feeling really is and there is no predefined method to create it. This Master Thesis takes aim at providing the means to improve the process of creating this feeling.

First, the Scania feeling was studied via the results of an already made survey at Scania. This survey focused on subjective properties of push-buttons, rotary knobs and levers and related the properties to whether these objects had a Scania feeling or not. This existing data was analyzed statistically. The main task of this Master Thesis, however, was to create an environment where the feeling of a push-button could be tried out and described. This environment was created with a tool from Reachin Technologies AB. The environment is a virtual representation of a push-button module, created with computer haptics and graphics. The environment lets the user interact with a three dimensional view collocated with a force feedback device. The force feedback device lets the user feel what is seen through a pen like interface. The “tip” of the pen is used to touch what is seen in the 3D view. The virtual push-buttons was built from blueprints of real push-buttons to be able to evaluate to what extent the virtual buttons resembled the real ones.

The statistical analysis made in this project does not support the notion of describing the Scania feeling with a set of subjective values. The virtual environment created proved to be very life like. The real push-button feeling could be recreated with high precision. When evaluated, the majority of test persons argued that it could be used in the development process.

Place, publisher, year, edition, pages
Institutionen för konstruktions- och produktionsteknik , 2005. , 47 p.
Keyword [en]
haptics, computer haptics, virtual, virtual environment, subjective values development
National Category
Production Engineering, Human Work Science and Ergonomics
URN: urn:nbn:se:liu:diva-4808ISRN: LITH-IKP-EX--05/2296--SEOAI: diva2:20756
Available from: 2006-02-06 Created: 2006-02-06

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Department of Mechanical Engineering
Production Engineering, Human Work Science and Ergonomics

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