UserSystem Interaction program overview Prof dr Matthias Rauterberg
User-System Interaction - program overview Prof. dr. Matthias Rauterberg Stan Ackermans Institute, USI Design Program TU/e Technical University of Eindhoven © M. Rauterberg Technical University of Eindhoven
2 © M. Rauterberg Technical University of Eindhoven
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The Basic Triangle: T-U-S • user-oriented requirement analysis task(s) task design automation qualification user functionality usability training system – – know the user describe the context of use analyze the user‘s tasks decide for user-system function allocation 4 © M. Rauterberg Technical University of Eindhoven
What is User-System Interaction about? Working domain Goal: Actual Performance => Desired Performance Working system user system 5 © M. Rauterberg Technical University of Eindhoven
Interface Design or Interaction Design? user interaction system 6 © M. Rauterberg Technical University of Eindhoven
Challenges of USI design user perception emotion interaction cognition action ? system functionality architecture input/output data structure effectiveness efficiency satisfaction 7 © M. Rauterberg Technical University of Eindhoven
What is User-Centered Design? • . . . based on expertise: – state-of-the-art knowledge for the design – linear product life cycle • . . . based on participation: – multidisciplinary teams including end-user involvement in design and evaluation – iterative cyclic product life cycle “PUSH approach” “PULL approach” 8 © M. Rauterberg Technical University of Eindhoven
From Problem to Solution or the other way round? PULL PUSH Leads to Set of real customer requirements Set of possible technical solutions 9 © M. Rauterberg Technical University of Eindhoven
How to maximize the match? Set of real customer requirements Set of possible technical solutions Without user-centered design With user-centered design 10 © M. Rauterberg Technical University of Eindhoven
1 technical analysis concept formulation 0 user task analysis business/ market analysis Begin waterfall requirements 2 HW/SW design interaction design narrative design object/ space design spiral design 3 platform prototype implementation 4 evaluation interaction prototype content prototype integration performance evaluation cycle usability evaluation aesthetic evaluation End 11 © M. Rauterberg Technical University of Eindhoven
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DESIGNER implemented functions USER perceivable user interface forms perceived semantic intended semantic DMM : = designer’s mental model UMM : = user’s mental model How to relate function and form, so that DMM == UMM ? 13 © M. Rauterberg Technical University of Eindhoven
Two dimensions for interaction design [visual] feedback (FB) low batch interactive directness (ID) high menu interface MI desktop style high command language CI direct manipulation DI 14 © M. Rauterberg Technical University of Eindhoven
Two Trends in User Interface Technology Ambient rooms and Cooperative buildings Mobile computing 15 © M. Rauterberg Technical University of Eindhoven
Unsolved Research Problems wearable computing intelligent environments Isolation in immersive virtual worlds Penetration of the body space Privacy in augmented worlds Penetration of the social space 16 © M. Rauterberg Technical University of Eindhoven
Trend in Interface Design 17 © M. Rauterberg Technical University of Eindhoven
Design Metaphors Substitute Channel Tool long time ago 2000 history 18 © M. Rauterberg Technical University of Eindhoven
mechatronic style electronic style mechanical style 1900 © M. Rauterberg 2000 Technical University of Eindhoven time 19
mechatronic style Design trends active forms connected forms (ambient intelligence) given forms (ubiquituous computing) electronic style channel forms (e. g. PC, TV, Radio, etc) mechanical style dedicated form (e. g. typewriter, etc)) © M. Rauterberg 1900 Technical University of Eindhoven 2000 time 20
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