Consistent data Usage and Exchange Between Virtuality and Reality to Manage Complexities in Assembly Planning

Müller, Rainer; Vette, Matthias; Hörauf, Leenhard; Speicher, Christoph

doi:10.1016/j.procir.2016.02.126

Cited by 5 publications

(3 citation statements)

References 7 publications

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“…(i) automation of assembly sequence planning [21], (ii) automation of instruction information creation [22], (iii) automated entry of created information into target systems [23] and (iv) support the human assembly planner where automation is not possible [24]. These four categories are described in detail:…”

Section: Information Supply Of Wgsmentioning

confidence: 99%

“…Müller et al describe an exchange of information between agents and modules. While a WGS can be seen as a module, an "agent acts as a mediator or coordinator" between these modules and the virtual assembly planning environment [23]. A similar approach is pursued by Fischer et al, who describe the data flow between virtual assembly planning and the WIS database.…”

Section: (Iii) Automated Entry Of Created Information Into Target Sys...mentioning

confidence: 99%

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Automated Information Supply of Worker Guidance Systems in Smart Assembly Environment

Reisinger

Hold

Sihn

2021

IFIP Advances in Information and Communication Technology

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The global megatrends of digitization and individualization substantially affect manufacturing enterprises. Assembly workers are exposed to increased process complexity resulting in physical and cognitive workload. Worker guidance systems (WGS) are used to overcome this challenge through output of information regarding what should be done, how it should be done and why it should be done. An unsolved scientific challenge in this context is efficient information supply of WGS. Information such as worker’s instruction texts, pictures or 3D representations are created by employees of the work preparation department and transferred to the WGS. Manual information supply is a time-consuming and complex process, which requires a high (non-value-adding) effort as well as comprehensive knowledge in handling 3D CAD modelling and software programming. This paper presents a novel approach to reduce the required manual effort in information supply process. A knowledge-based model is proposed that enables an automated information supply of WGS in smart assembly environment by means of algorithms and self-learning expert systems, which pursues a holistic and consistent approach without media breaks. The automated approach assists employees of work preparation department, which means they can concentrate on their essential core competencies instead of being busy, for example, creating assembly plans, instruction texts or pictures for individual WGS. Finally, the technical implementation as a software-based proof-of-concept demonstrator and sub-sequent integration into the IT environment of TU Wien Pilot Factory Industry 4.0 is outlined.

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Section: Information Supply Of Wgsmentioning

confidence: 99%

Section: (Iii) Automated Entry Of Created Information Into Target Sys...mentioning

confidence: 99%

Automated Information Supply of Worker Guidance Systems in Smart Assembly Environment

Reisinger

Hold

Sihn

2021

IFIP Advances in Information and Communication Technology

View full text Add to dashboard Cite

show abstract

“…Makris et al (2013) investigated the use of an assembly sequence generation algorithm to integrate assembly operation simulation and AR. Müller et al (2016) studied the use and exchange of consistent data between the virtual world and reality for complexity management of assembly planning and provided a connection method of virtual planning environments with actual assembly systems.…”

Section: Related Workmentioning

confidence: 99%

Intelligent planning of product assembly sequences based on spatio-temporal semantic knowledge

Yang

Chen

Wang

et al. 2020

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Purpose The implied assembly constraints of a computer-aided design (CAD) model (e.g. hierarchical constraints, geometric constraints and topological constraints) represent an important basis for product assembly sequence intelligent planning. Assembly prior knowledge contains factual assembly knowledge and experience assembly knowledge, which are important factors for assembly sequence intelligent planning. This paper aims to improve monotonous assembly sequence planning for a rigid product, intelligent planning of product assembly sequences based on spatio-temporal semantic knowledge is proposed. Design/methodology/approach A spatio-temporal semantic assembly information model is established. The internal data of the CAD model are accessed to extract spatio-temporal semantic assembly information. The knowledge system for assembly sequence intelligent planning is built using an ontology model. The assembly sequence for the sub-assembly and assembly is generated via attribute retrieval and rule reasoning of spatio-temporal semantic knowledge. The optimal assembly sequence is achieved via a fuzzy comprehensive evaluation. Findings The proposed spatio-temporal semantic information model and knowledge system can simultaneously express CAD model knowledge and prior knowledge for intelligent planning of product assembly sequences. Attribute retrieval and rule reasoning of spatio-temporal semantic knowledge can be used to generate product assembly sequences. Practical implications The assembly sequence intelligent planning example of linear motor highlights the validity of intelligent planning of product assembly sequences based on spatio-temporal semantic knowledge. Originality/value The spatio-temporal semantic information model and knowledge system are built to simultaneously express CAD model knowledge and assembly prior knowledge. The generation algorithm via attribute retrieval and rule reasoning of spatio-temporal semantic knowledge is given for intelligent planning of product assembly sequences in this paper. The proposed method is efficient because of the small search space.

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Research on visual 3D assembly process design and simulation for marine diesel engine

Zhang

Tianming

Guan³

et al. 2017

Cluster Comput

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Consistent data Usage and Exchange Between Virtuality and Reality to Manage Complexities in Assembly Planning

Cited by 5 publications

References 7 publications

Automated Information Supply of Worker Guidance Systems in Smart Assembly Environment

Automated Information Supply of Worker Guidance Systems in Smart Assembly Environment

Intelligent planning of product assembly sequences based on spatio-temporal semantic knowledge

Research on visual 3D assembly process design and simulation for marine diesel engine

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