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Real walking in virtual environments for factory planning and evaluation
(2016)Procedia CIRP ~ 6th CIRP Conference on Assembly Technologies and Systems (CATS)Nowadays, buildings or production facilities are designed using specialized design software and building information modeling tools help to evaluate the resulting virtual mock-up. However, with current, primarily desktop based tools it is hard to evaluate human factors of such a design, for instance spatial constraints for workforces. This paper presents a new tool for factory planning and evaluation based on virtual reality that allows ...Conference Paper -
Potentials of IT-supported Assistive Systems: Comparison of two User Studies in the Manufacturing Industry
(2019)IFAC-PapersOnLine ~ 9th IFAC Conference on Manufacturing Modelling, Management and Control, MIM 2019. ProceedingsSince the demand for customized products increases steadily and the work tasks become more complex, the employees at the shop floor have to deal with a higher information density. Although it is obvious to use information technology to output the required information, work stations might require different supportive technologies. Besides finding adequate work stations to be supported by information technologies, there is also the need to ...Conference Paper -
Advanced supply chain information for rule-based sequence adaptions on a mixed-model assembly line with unreliable just-in-sequence deliveries
(2013)IFAC Proceedings Volumes ~ 7th IFAC Conference on Manufacturing Modelling, Management, and Control, MIM 2013. ProceedingsThe proliferation of just-in-sequence (JIS) deliveries has raised the vulnerability of assemblies to costly production stoppages or rework due to missing components. Through a comprehensive real-time supply chain monitoring systems, these supply issues can be detected early and affected orders removed from planned assembly sequences in time to avoid production disturbances. Using simulation analysis, this paper explores the impact of ...Conference Paper -
Effect of Environment Size on Curvature Redirected Walking Thresholds
(2018)2018 IEEE Conference on Virtual Reality and 3D User Interfaces (VR)Redirected walking (RDW) refers to a number of techniques that enable users to explore a virtual environment larger than the real physical space. These techniques are based on the introduction of a mismatch in rotation, translation and curvature between the virtual and real trajectories, quantified as rotational, translational and curvature gains. When these gains are applied within certain thresholds, the manipulation is unnoticeable and ...Conference Paper -
Visual Capture of Gait in Redirected Walking
(2018)Measuring Behavior 2010Virtual reality (VR) applications using head mounted displays (HMDs) allow users to deeply immerse in a virtual world. There is, however, one obstacle to a full-blown immersion, dubbed the “locomotion problem”. It concerns the user’s navigation through large virtual environments. While virtual worlds can easily be expanded infinitely, physical locomotion remains constrained by the size of the available room. Redirected walking is a technique ...Conference Paper -
Virtual Navigation Environment for Blind and Low Vision People
(2018)LNCS ~ Computers Helping People with Special Needs. 6th International Conference, ICCHP 2018, Linz, Austria, July 11-13, 2018, Proceedings, Part IIFor comprehensively participating in society, independent and safe mobility is an important skill for many daily activities. Spatial cognition is one of the most important human capabilities and addresses the acquisition, processing and utilization of knowledge about the spatial layout of environments. Humans predominantly use the visual sense for this and for blind and low vision people, the lack of spatial perception reduces their quality ...Conference Paper -
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Definition and analysis of a lean communication theory
(2012)Proceedings of TMCE 2012Conference Paper -
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Detection of surface defects on sheet metal parts by using one-shot deflectometry in the infrared range
(2010)Conference Paper