Investigating the User Experience of Physical and Digital Interfaces in Automotive Design

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dc.contributor.authorMorvaridi Farimani, Hossein
dc.contributor.departmentChalmers tekniska högskola / Institutionen för industri- och materialvetenskapsv
dc.contributor.departmentChalmers University of Technology / Department of Industrial and Materials Scienceen
dc.contributor.examinerI.C. MariAnne, Karlsson
dc.contributor.supervisorNovakazi, Fjollë
dc.date.accessioned2024-11-21T08:33:09Z
dc.date.available2024-11-21T08:33:09Z
dc.date.issued2020
dc.date.submitted
dc.description.abstractAbstract With the continuous addition of new infotainment and driver assist features, In-Vehicle Infotainment systems (IVIs) are evolving to enhance convenience. However, balancing the system's output (information presentation) and input (vehicle controls) has become a major challenge for automotive companies. To address the complexity and information overload, many have shifted from physical controls to embedded digital touchscreens, raising questions about how far this transition should go. This shift from physical to digital interfaces presents both benefits and drawbacks. On one hand, digital touchscreens can increase driver distraction due to the visual load and eliminate haptic feedback and muscle memory. On the other hand, they offer flexibility and modern aesthetics. The primary research question was: What are the pros and cons of physical and digital interfaces from a user perspective? The secondary question focused on how the context of use (driving vs. non-driving) impacts user experience with each interface type. To explore these questions, this thesis investigated user satisfaction with both physical controls and digital touchscreens. Online user interviews and a literature review were conducted to assess the pros and cons of each interface in different contexts. The findings revealed that no single interface type is universally preferred. Users favored physical controls while driving, due to the haptic feedback and ease of use, but preferred digital interfaces in non-driving situations, due to their modern appeal and functionality. The study also revealed that user preferences varied based on behavior and attitudes, with early adopters perceiving digital interfaces as more trendy, while conservative users viewed physical interfaces as more reliable. These insights led to the development of design guidelines and a hybrid interface concept, blending physical and digital elements. The concept was evaluated and deemed a better solution than existing systems, though some refinements were suggested. The results provide a foundation for balancing physical and digital elements in future IVI designs. The design guidelines, developed from user needs and research findings, aimed to balance the strengths of physical and digital interfaces. These guidelines led to a conceptual UI design that combined physical controls for driving tasks with digital touchscreens for flexibility in non-driving contexts. The hybrid design was evaluated by both original participants and a wider audience, receiving positive feedback as an improvement over current systems. However, some aspects, like balancing ease of use with digital complexity, needed refinement. Overall, the guidelines, impact map, and evaluations represent progress toward more intuitive and user-friendly in-vehicle interfaces
dc.identifier.coursecodeIMSX30
dc.identifier.urihttp://hdl.handle.net/20.500.12380/309002
dc.language.isoeng
dc.setspec.uppsokTechnology
dc.subjectKeywords: User Experience (UX), Human-Machine Interaction (HMI), In-Vehicle Infotainment (IVI) Systems, Digital Interfaces, automotive safety
dc.titleInvestigating the User Experience of Physical and Digital Interfaces in Automotive Design
dc.type.degreeExamensarbete för masterexamensv
dc.type.degreeMaster's Thesisen
dc.type.uppsokH
local.programmeIndustrial design engineering (MPDES), MSc
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