Tools and equipment modelling for interactive assembling operating in a virtual environment

Wu, Di; Zhu, Haojin; Zhen, Xijin; Fan, Xiumin

doi:10.1080/00207541003604828

Cited by 7 publications

(1 citation statement)

References 9 publications

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“…VR together with virtual prototyping (VP) (Xia et al 2006;Zorriassatine et al 2003;Kuo and Wang 2012) has been widely used to simulate and evaluate assembly in the early design stage (Wu et al 2011). By providing various multimodal feedbacks (visual, auditory, haptic, etc.…”

Section: Introductionmentioning

confidence: 99%

Assembly planning and evaluation in an augmented reality environment

Wang

Ong

et al. 2013

International Journal of Production Research

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Assembly planning is very critical in the product design process. Previously, computer-assisted assembly planning is mostly conducted in either an automated or interactive manner. Automated approaches can only be applied to products with simple component configurations, whereas extensive user input in the tedious form of answering questions is required for interactive approaches. Both kinds of approaches do not address issues related to human factors and ergonomics, which cannot be ignored in assembly planning especially in manual assembly. Using augmented reality technologies, an intuitive and efficient approach is proposed for manual assembly planning and evaluation by combining the potential strengths of the two kinds of approach. An AR-assisted assembly planning and evaluation system has been developed to implement the proposed methodology with the use of a 3D bare-hand interaction (3DBHI) tool. After loading all the parts of an assembly into the proposed system, assembly modelling is first completed through assembly geometrical constraint recognition and assembly location refinement with the use of the proposed 3DBHI tool. By analysing the disassembly process, precedence constraints are captured and used to search for feasible assembly sequences from all possible sequences, which are generated using an existing method. Finally, practical or good sequences are selected from the feasible sequences by exploiting an assembly index based on objective evaluation. A case study is conducted to demonstrate the application of the methodology and system. IntroductionAs the competition of the manufacturing industry is increasing throughout the world, many companies tend to improve product quality, reduce product development cost and shorten time of design-to-assembly for new products. Assembly processes constitute a majority of the cost of a product (Boothroyd and Dewhurst 1989). In the assembly planning process, assembly sequences which are the backbone of assembly plans are generated and assembly operations which describe how different parts will be assembled together are formalised. Production efficiency will be improved and a large amount of cost will be reduced if a product is assembled according to a well-planned assembly sequence.Traditionally, assembly sequence planning has been conducted by either product designers or production engineers manually using either 2D drawings or physical prototypes of the product based on their intuition and experience. Nowadays, since products have become increasingly complex and the number of components has increased exponentially, manual assembly sequence planning has become impractical. In addition, physical prototyping is time-consuming and expensive for users to verify the ease of assembly. Moreover, additional cost will be incurred if there is any design change of certain components of the product. The rapid development of computer science and technology provides an alternative to solve this issue. In order to ease assembly sequence planning, research efforts have been made ...

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Section: Introductionmentioning

confidence: 99%

Assembly planning and evaluation in an augmented reality environment

Wang

Ong

et al. 2013

International Journal of Production Research

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Virtual human modeling for interactive assembly and disassembly operation in virtual reality environment

Qiu

Fan

et al. 2013

Int J Adv Manuf Technol

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An interactive graph-based tool to support the designing of human–robot collaborative workplaces

Di Marino,

Rega,

Pasquariello

et al. 2023

Int J Interact Des Manuf

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In the context of Industry 4.0 and Industry 5.0, the introduction of collaborative workplaces, where humans and robots work together, represents a growing trend to improve the productivity, adaptability, and flexibility of production plants. Indeed, human–robot collaboration (HRC) is a very deepened topic in the scientific community and the designing of collaborative workplaces is a challenging issue due to the high level of complexity and multidisciplinary of its features. This work tackles the complexity of collaborative workplaces and proposes a structured framework to support strategic decisions in designing. A multi-level designing framework is proposed as a supporting tool for designers. Within five domains of collaborative robotics, the elements of a collaborative workplace are identified and proposed in a framework in order to better consider human safety and working conditions during the designing process. A decomposition matrix and an adjacency matrix are used to develop a multi-level designing workflow. Finally, an interactive tool is presented, named “Smart Graph Interface” (SGI), to read and exploit the contents of the framework. The SGI is applied to three case studies from the literature, to spread out principal outcomes in terms of applicability and robustness.

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Tools and equipment modelling for interactive assembling operating in a virtual environment

Cited by 7 publications

References 9 publications

Assembly planning and evaluation in an augmented reality environment

Assembly planning and evaluation in an augmented reality environment

Virtual human modeling for interactive assembly and disassembly operation in virtual reality environment

An interactive graph-based tool to support the designing of human–robot collaborative workplaces

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