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Framework for Simulation Applications Based on the Digital Twin Concept and SCOR Methodology 32nd

Framework for Simulation Applications Based on the Digital T...

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32nd International Conference on Flexible Automation and Intelligent Manufacturing

作者： Neto, Breno Trautwein Alcantara Castilho Venancio, Andre Luiz Rocha Loures, Eduardo de Freitas Deschamps, Fernando Loures, Leonard Rocha Pontifical Catholic Univ Parana PUC PR Curitiba Parana Brazil

ISBN: (纸本)9783031381645;9783031381652

Business demand and scientific associations are studying related to applications of the Digital Twin simulations in the Supply Chain. This article analyzes technological breakthroughs regarding these concepts, research questions, and perspectives linked to the essence of the Digital Twin in the Supply Chain. The research method provided a literary review of qualitative approaches, presenting an overview of the researched domain, culminating in developing a framework for simulating applications based on the Digital Twin concept and SCOR Methodology. This model offers a vision and an approach that focuses on business processes within the Supply Chain, relating 4 phases of the chain in 5 different classes and 5-step behaviors with 36 inputs/outputs in the Supply Chain. The results of this research are related to better development of applications in the Supply Chain towards Digital Twin configurations, as companies demand better decision-making and performance due to the effects of the globalized digital transformation.

关键词： Digital Transformation Industry 4.0 Digital Twin Simulation Supply Chain SCOR Methodology

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Design and Implementation of Measures to Reduce the Vibration Levels of Metro Trains 14th

Design and Implementation of Measures to Reduce the Vibratio...

引用

14th International Workshop on Railway Noise (IWRN)

作者： Schwanen, Wout de Regt, Jacco M P Wolfskamerweg 47 NL-5262 ES Vught Netherlands Gemeente Amsterdam Entrada 600 NL-1114 AA Amsterdam Netherlands

ISBN: (纸本)9789819978519;9789819978526

Since November 2012 there has been a local increase of vibration levels at the metro system in Amsterdam. At this location, the vibration levels have increased by more than 10 dB with a strong component around 80 Hz. At other locations in the same area, no increase of vibration levels is found. A combination of pass-by measurements and ARRoW measurements, vibration measurements on a moving train, revealed the root cause of the high vibration levels. The track was heavily corrugated with excitation of the resonance of the unspring mass on the track stiffness due to an impact when driving over a joint in the track. Two measures were taken: (1) replacement of the joint and (2) grinding of the track. After these measures were taken, the pass-by vibration measurements were repeated. The results show a strong decrease of the measured vibration levels and have proven that the measures have been very effective.

关键词： Vibrations measures Measurements Metro

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Integration of Pick by Light in the Context of Learning Factories (Assembly Workstation 4.0) 10th

Integration of Pick by Light in the Context of Learning Fact...

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10th International Conference on Design and Modeling of mechanical Systems (CMSM)

作者： Elloumi, Khouloud Triki, Hager Zghal, Bacem Chebbi, Walid Univ Tunis Elmanar Natl Engineers Sch Tunis LR OASIS Tunis Tunisia Univ Sfax Engn Sch Sfax Lab Mechan Modeling & Prod LA2MP Sfax Tunisia Higher Inst Ind Management Sfax Sfax Tunisia Technol Dev Syst TDS Sfax Tunisia

ISBN: (纸本)9783031671517;9783031671524

Nowadays, the technologies offered by Industry 4.0 promote the digitization and optimization of manufacturing processes, particularly within assembly lines. Furthermore, Learning factories provide a reality-conform production environment as a learning environment, thus offering a practical learning experience similar to a real industrial site. In this context, we have developed a learning process aimed at enhancing the performance of an assembly station through the integration of pick-by-light. The comparison between the various presented concepts highlights the improvement of performance index in terms of processing time.

关键词： assembly workstation pick by light industry 4.0 learning factories performance index

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Multidisciplinary Communication of a Sheet Metal Forming Case Using Digital Boundary Objects in a PLM-System 33rd

Multidisciplinary Communication of a Sheet Metal Forming Cas...

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33rd International Conference on Flexible Automation and Intelligent Manufacturing

作者： Stolt, Roland Jonkoping Univ Sch Engn Jonkoping Sweden

ISBN: (纸本)9783031744815;9783031744822

In this paper, a software tool for the automated assessment of parts to be manufactured by sheet metal forming is considered as a starting point for a boundary object for cross disciplinary communication in manufacturing companies. The tool is based on automated FEA calculations in CAD models allowing the quick verification of the manufacturability of sheet metal parts checking that they can be manufactured without failure of the material. The paper proposes to derive a boundary object from the data and information pertaining to the tool and manage it in a proposed structure in an item centered PLM system. In this way up to date information can be communicated in a format that can be understood by several different disciplines, possibly reducing the risk of errors in the design process and when carrying out changes. A suggestion of how to manage the data and information in the PLM system of the industrial manufacturing company is made and is discussed in this paper.

关键词： information modeling Product life cycle management boundary object

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A Model for a Smart Transport Manufacturing Environment Based on Edge Computing, Fog Computing, and Cloud Computing in the South African Context 33rd

A Model for a Smart Transport Manufacturing Environment Base...

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33rd International Conference on Flexible Automation and Intelligent Manufacturing

作者： Bakam, Genevieve Mpofu, Khumbulani Mbohwa, Charles Tshwane Univ Technol Pretoria South Africa

ISBN: (纸本)9783031744815;9783031744822

Adopting advanced transport manufacturing technologies requires a sophisticated system architecture that efficiently supports platforms and applications. Evidence from emerging countries shows that companies prefer implementing standalone domain architecture including edge for latency and real-time analytics or cloud computing for improved security and resource management efficiency forgetting the issues of bandwidth constraints and storage. IT system architecture lacks embedded green requirements whereas servers, data centres and devices generate electronic waste, carbon emissions and energy consumption impacting the environment. This paper presents a smart transport manufacturing environment (STME) model based on edge, fog, and cloud computing in the South African context. A meta-synthesis analysis was used to find computing insights and an emphatic design approach was used to conceive the STME model. Findings revealed that the three-layer computing package should be deployed altogether to support advanced manufacturing systems. The STME model indicates that the integration of green computing paradigms including energy and carbon-efficient computing into edge, fog and cloud computing optimise both production efficiency and sustainability results. However, the proliferation of energy issues, network infrastructure limitations, and network connectivity in South Africa consequently compromises the effective implementation of Industry 4.0 initiatives. Upgraded network infrastructure, connectivity, and green regulations should be provided by the government to enable industrial advancement.

关键词： Smart manufacturing Edge Cloud Fog Green Computing and South Africa

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A Smart Vertical Farming System to Evaluate Productivity, Quality, and Sustainability of Agricultural Production 32nd

A Smart Vertical Farming System to Evaluate Productivity, Qu...

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32nd International Conference on Flexible Automation and Intelligent Manufacturing

作者： Grasso, Nicolo Fasciolo, Benedetta Bruno, Giulia Lombardi, Franco Politecn Torino Corso Duca Abruzzi 24 I-10129 Turin Italy

ISBN: (纸本)9783031381645;9783031381652

Traditional agricultural practices negatively impact the environment, and they usually don't allow flexible crop production. Vertical farming has been discovered to be an effective remedy for these problems. It has higher yields, and it can be more flexible and performant than open-field agriculture, because of its structural and technological characteristics. To get the best performance from vertical farming systems, it is necessary to consider several KPIs, which assess productivity, quality and sustainability aspects. The aim of this work is to identify both the input variables and the KPIs that must be considered in a vertical farming system. Furthermore, the experimental design of an aeroponic chamber is proposed, for conducting experiments varying the input variable values and collecting the related KPI. The analysis of such data will allow to find correlations between the input variables and the KPIs.

关键词： Smart Agriculture Vertical Farming IoT Sustainability Flexible Agricultural Production

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A Moving Laboratory for Automotive Components Safety Testing (MoLAS) 16th

A Moving Laboratory for Automotive Components Safety Testing...

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16th International Symposium on Advanced Vehicle Control

作者： Biffi, A. Ballo, F. Gobbi, M. Mastinu, G. Politecn Milan Milan Italy

ISBN: (纸本)9783031703942;9783031703928;9783031703911

The MoLAS is a moving laboratory able to fully characterize the tire behavior in the real working environment. The basic structure of the moving laboratory is represented by a semi-trailer. A rotating frame that supports the measuring system is used to set the camber level by using an electric actuator. An electric steering actuation system guarantees high output torque and high output power. A pneumatic actuator is used to apply the vertical load, allowing to generate a large range of vertical force up to SUVs values. A complex driveline including an internal combustion engine (ICE) coupled with the gearbox and an electromagnetic (EM) retarder is used to apply both driving and braking torques. This aspect constitutes a new feature of the system.

关键词： tire testing outdoor driving/braking torque

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Strong Rail Damper Development 14th

Strong Rail Damper Development

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14th International Workshop on Railway Noise (IWRN)

作者： Ho, Wilson Wong, Ron Yiu, Max Soltanieh, Ghazaleh Ip, Marco Ni, Yi-Qing Jabez Innovat Ltd Unit 601 Shatin Ind Ctr Block AShatin Hong Kong Peoples R China Hong Kong Polytech Univ Hong Kong Branch Natl Rail Transit Elect & Automat Engn Technol Re Hong Kong Peoples R China

ISBN: (纸本)9789819978519;9789819978526

Rail dampers typically provide 3-4 dB(A) noise reduction, but occasionally 5-10 dB(A) for lightly damped rails on soft fasteners (Ho et al. in Noise and vibration mitigation for rail transportation systems. Springer, pp 89-96, 2012;Thompson et al. in Appl Acoust 68:43-57, 2007;Lo et al. in Noise and vibration mitigation for rail transportation systems. Springer, pp 638-645, 2019;Ho et al. in Noise and vibration mitigation for rail transportation systems. Springer, pp 654-661, 2019;Ho et al. in Noise reduction effect by rail damper on single rail, 2021 [1-5]). For retrofit applications, rail dampers often perform below their capacities due to poor connection at the rubber/metal interface due to uncontrollable rusted surface and rail profile tolerance. The rubber/metal interface is soft to maximize the contact area, but is not so soft that it becomes an isolator rather than a vibration absorber. Rigid Contact TMD (RCTMD) rail damper uses metal-to-metal mounting plates (Ho et al. in Noise and vibration mitigation for rail transportation systems. Springer, pp 89-96, 2012;Lo et al. in Noise and vibration mitigation for rail transportation systems. Springer, pp 638-645, 2019;Ho et al. in Noise and vibration mitigation for rail transportation systems. Springer, pp 654-661, 2019;Ho et al. in Noise reduction effect by rail damper on single rail, 2021;Ho et al. in Tuned mass damper design optimization using FEA, 2014;Tam et al. in Noise and vibration mitigation for rail transportation systems. Springer, pp 585-593, 2016;Ho et al. in Tuned mass damper for rail noise and corrugation control. Proceeding of acoustics, 2012;Ho and Wong in Tuned mass damper for rail noise and corrugation control. Proceeding of the 5th cross-strait acoustical conferences, 2012;Ho et al. in Reducing rail corrugation growth by tuned mass damper, 2013;Ho et al. in Analytical study on railway corrugation growth control by tuned mass damper, 2014;Ho et al. in Suppression of corrugation growth by rail dam

关键词： Retrofit mitigations Rail Damper Groundborne noise Corrugation

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Comparison of Monorail Vehicle Dynamic Behavior in Unity and Universal Mechanism 8th

Comparison of Monorail Vehicle Dynamic Behavior in Unity and...

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8th International Scientific-Technical Conference (MANUFACTURING)

作者： Lukaszewski, Krzysztof Bu, Pawel Karwasz, Anna Poznan Univ Tech Poznan Poland

ISBN: (纸本)9783031564659;9783031564635

The article contains a description of modeling and analysis of dynamic results of a monorail vehicle in simulation environments for various purposes. The analyzes carried out are aimed at checking the correctness of the calculation engine of the virtual reality environment Unity. The Unity system in terms of parameters and the method of modeling mechanical objects is similar to typical MBS(MultiBody Simulation) environments. The authors used for the comparative analysis MBS system: Universal Mechanism dedicated for testing rail vehicles. Despite applying the same parameters as in Universal Mechanism, the monorailtrack model made in Unity did not achieve satisfactory convergence of results between the models. The correctness of the simulation calculations in the Universal Mechanism system was confirmed by analytically determining the value of centrifugal acceleration. Discrepancies were found between the recorded results and the behavior of the vehicle observed in the animation. The observed behavior of the vehicle during the animation was more realistic than the recorded acceleration course. The presented arguments suggest that the Unity engine (solver) is insufficiently powerful to perform detailed simulations.

关键词： computer simulation vehicle dynamics MultiBody Simulation (MBS)

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Hybrid Ultrasonic Cavitation Abrasive Peening and Electrochemical Polishing on Additively Manufactured AlSi10Mg Components 3rd

Hybrid Ultrasonic Cavitation Abrasive Peening and Electroche...

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3rd International Conference on Advanced Surface Enhancement (INCASE)

作者： Goh, K. W. S. Tan, K. L. Yeo, S. H. Nanyang Technol Univ Sch Mech & Aerosp Engn 50 Nanyang Ave Singapore 639798 Singapore Adv Remfg & Technol Ctr 3 Cleantech Loop01-01 CleanTech Two Singapore 637143 Singapore

ISBN: (纸本)9789819986422;9789819986439

Additive manufacturing processes face challenges when producing complex metallic components. Surface defects, such as incomplete melting, balling, and geometric inaccuracies, are common in printed metallic components with complex structures, such as lattice structures. These defects make it unfeasible to use these components commercially without further processing. Limitations such as inaccessibility and limited improvement in surface quality in existing post-processing techniques make the motivation for this study. This paper is largely based on the partial results of an ongoing thesis in the development of a novel hybrid process. The hybrid process combines electrochemical polishing (ECP) and ultrasonic cavitation abrasive peening (UCAP). It takes advantage of ECP's ability to brighten and smoothen surfaces and UCAP's ability to generate compressive residual stresses, enhance surface hardness, and improve the efficiency of ECP synergistically. The first part of this paper gives an overview of the need for an alternative post-processing technique and the benefits of a hybrid process. Further, results and discussion of investigative experimentation will be highlighted describing the effects and mechanisms of the hybrid process.

关键词： AM post-processing Surface modification Electrochemical polishing Ultrasonic cavitation abrasive peening Hybrid processes

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