Assembly 4.0: Wheel Hub Nut Assembly Using a Cobot

Salunkhe, Omkar; Stensöta, Olivia; Åkerman, Magnus; Berglund, Åsa Fasth; Alveflo, Per-Anders

doi:10.1016/j.ifacol.2019.11.434

Cited by 30 publications

(15 citation statements)

References 18 publications

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“…The increasing customer demand for customized products puts pressure on companies to improve flexibility in their production systems. As the use of automation always helped improve production systems' capacity, it is expected to achieve similar results after the implementation of Cobots in the industry [15]. It is also expected that implementing these technologies helps eliminate risk factors and, therefore, improves working conditions.…”

Section: Discussionmentioning

confidence: 96%

“…In order to accomplish the safest working conditions, E&HF must be considered as a requirement in the implementation of collaborative systems [14]. E&HF focuses on eliminating harmful and unsafe work practices in an industrial environment and aims to study human capabilities and limitations, and uses this knowledge to adapt the work to the worker while minimizing fatigue [15,16].…”

Section: Introductionmentioning

confidence: 99%

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Ergonomics and Human Factors as a Requirement to Implement Safer Collaborative Robotic Workstations: A Literature Review

Cardoso

Colim²,

Bicho

et al. 2021

Safety

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There is a worldwide interest in implementing collaborative robots (Cobots) to reduce work-related Musculoskeletal Disorders (WMSD) risk. While prior work in this field has recognized the importance of considering Ergonomics & Human Factors (E&HF) in the design phase, most works tend to highlight workstations’ improvements due to Human-Robot Collaboration (HRC). Based on a literature review, the current study summarises studies where E&HF was considered a requirement rather than an output. In this article, the authors are interested in understanding the existing studies focused on Cobots’ implementation with ergonomic requirements, and the methods applied to design safer collaborative workstations. This review was performed in four prominent publications databases: Scopus, Web of Science, Pubmed, and Google Scholar, searching for the keywords ‘Collaborative robots’ or ‘Cobots’ or ‘HRC’ and ‘Ergonomics’ or ‘Human factors’. Based on the inclusion criterion, 20 articles were reviewed, and the main conclusions of each are provided. Additionally, the focus was given to the segmentation between studies considering E&HF during the design phase of HRC systems and studies applying E&HF in real-time on HRC systems. The results demonstrate the novelty of this topic, especially of the real-time applications of ergonomics as a requirement. Globally, the results of the reviewed studies showed the potential of E&HF requirements integrated into HRC systems as a relevant input for reducing WMSD risk.

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Section: Discussionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

Ergonomics and Human Factors as a Requirement to Implement Safer Collaborative Robotic Workstations: A Literature Review

Cardoso

Colim²,

Bicho

et al. 2021

Safety

View full text Add to dashboard Cite

show abstract

“…In order to obtain positive unitary cost saving, the threshold or the necessary minimum productivity pmin with respect to implementing cobots is derived from Equation (7) and provided in Equation (8).…”

Section: Methodology 21 Differential Cost Model Of Assembly With Collaborative Robotsmentioning

confidence: 99%

“…This standard defines five main characteristics for all cobots that are the basis of their differences with industrial robots: providing a visual indicator when the robot is operating in cooperation with a human; providing a controlled stop; allowing the operator the possibility of performing manual guidance without the need to deactivate servomotors; supervision of speed and safety distance; and the limitation of power and force by inherent design or control [4]. Collaborative robotics research can be tracked through recent reviews on the topic [5,6], laboratory studies [7,8] or the real field applications that can be found in an increasing number by examining the literature [9][10][11]. Globalization of manufacturing requires considering cobot implementation in several facets for sustainable integration.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Collaborative Robot Sustainable Integration in Manufacturing Assembly by Using Process Time Savings

Calvo¹,

Gil²

2022

Materials

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Collaborative robots are enablers of flexibility in the current dynamic and uncertain manufacturing environment. Decision making on its implementation requires technical feasibility, involving productivity and workforce implications that should be faced in an integrated perspective in processes where many components of different materials are assembled in products of increasing diversity and complexity. This study introduces two new parametric models for collaborative robotics, formulated in order to evaluate the differential cost of assembly (economic dimension) and the differential income from taxes that supports short-term workforce displacement (social dimension) in cobot implementation. Updated techno-economical parameters are selected for assessing feasibility ranges of application in different production scenarios. Next, the influence curves of productivity gain for a feasible implementation of cobot establish thresholds for decision making under both criteria. The results show the need for productivity gains that are significantly lower in high-wage scenarios than in low-wage scenarios; however, in a joint approach, breakeven productivity gain is always higher for the social dimension threshold than for the economic requirement of cost-effective manufacturing, with a higher gap in low-wage cases. The detailed analysis of a real case study of cobot implementation for assembly demonstrates the practical application of models and potential for future research.

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“…The cyber-physical system (CPS) information net topology basic property is its physical and virtual connection channels architecture resilience, which are used to transmit messages and cloud servers agents communication [1,2]. The main inter-net cyber-physical production (CPP) exchange participant is a CPS containing telecommunication units of reception and transmission and data processing [3,4].…”

Section: Introductionmentioning

confidence: 99%

Network communication and identification of the cyber-physical systems

2021

Proceedings of the III International Workshop on Modeling, Information Processing and Computing (MIP: Computing-2021)

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Cyber-physical system net communication and identification are connection and information theory elements, which let define data transmission dynamic routes. The net commutation is done with gate system, concentrators and routers to provide distributed connection of close and far range radius for the production equipment. The net commutation is done during the connection system different topologies virtual construction for the production operation processes. The net identification is done with a number of physical, logical and information attributes, which in their values or properties represent clearly a connection system industrial device. The different options how to address a device and meta-data are shown, which are important for net identification procedure. There are information net dynamic topology options proposed, which represent the cyber-production operation environment using equipment identification principles for technological and control data routing and processing.

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Assembly 4.0: Wheel Hub Nut Assembly Using a Cobot

Cited by 30 publications

References 18 publications

Ergonomics and Human Factors as a Requirement to Implement Safer Collaborative Robotic Workstations: A Literature Review

Ergonomics and Human Factors as a Requirement to Implement Safer Collaborative Robotic Workstations: A Literature Review

Evaluation of Collaborative Robot Sustainable Integration in Manufacturing Assembly by Using Process Time Savings

Network communication and identification of the cyber-physical systems

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