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Real-virtual interaction in AR assembly simulation based on component contact handling strategy

X. Wang (NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore)
S.K. Ong (NUS Graduate School for Integrative Sciences and Engineering, and Mechanical Engineering Department, Faculty of Engineering, National University of Singapore, Singapore)
A.Y.C. Nee (NUS Graduate School for Integrative Sciences and Engineering, and Mechanical Engineering Department, Faculty of Engineering, National University of Singapore, Singapore)

Assembly Automation

ISSN: 0144-5154

Article publication date: 7 September 2015

711

Abstract

Purpose

This paper aims to propose and implement an integrated augmented-reality (AR)-aided assembly environment to incorporate the interaction between real and virtual components, so that users can obtain a more immersive experience of the assembly simulation in real time and achieve better assembly design.

Design/methodology/approach

A component contact handling strategy is proposed to model all the possible movements of virtual components when they interact with real components. A novel assembly information management approach is proposed to access and modify the information instances dynamically corresponding to user manipulation. To support the interaction between real and virtual components, a hybrid marker-less tracking method is implemented.

Findings

A prototype system has been developed, and a case study of an automobile alternator assembly is presented. A set of tests is implemented to validate the feasibility, efficiency, accuracy and intuitiveness of the system.

Research limitations/implications

The prototype system allows the users to manipulate and assemble the designed virtual components to the real components, so that the users can check for possible design errors and modify the original design in the context of their final use and in the real-world scale.

Originality/value

This paper proposes an integrated AR simulation and planning platform based on hybrid-tracking and ontology-based assembly information management. Component contact handling strategy based on collision detection and assembly feature surfaces mating reasoning is proposed to solve component degree of freedom.

Keywords

Citation

Wang, X., Ong, S.K. and Nee, A.Y.C. (2015), "Real-virtual interaction in AR assembly simulation based on component contact handling strategy", Assembly Automation, Vol. 35 No. 4, pp. 376-394. https://doi.org/10.1108/AA-02-2015-012

Publisher

:

Emerald Group Publishing Limited

Copyright © 2015, Emerald Group Publishing Limited

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