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7th International Symposium on Innovative Approaches in Smart Technologies, ISAS 2023

作者： Efkolidis, Nikolaos Tsagaris, Apostolos Manavis, Athanasios Tzotzis, Anastasios Panagiotis, Kyratsis University of Western Macedonia Design Engineering Department of Product and Systems Kila KozaniGR50100 Greece International Hellenic University Department of Industrial Engineering and Management ThessalonikiGR57001 Greece University of Western Macedonia Design Engineering Department of Product and Systems Greecline Kila KozaniGR50100 Greece

ISBN: (纸本)9798350383065

Musical instruments serve as remarkable examples of the intersection between human creativity and technological progress. In fact, advancements in the design and manufacturing of musical instruments have often been at the cutting edge of technological innovation in many cultures. Nowadays, the number of traditional craftsmen who are involved in the construction and repair of traditional musical instruments has dramatically decreased. Most of these craftsmen play a significant role in maintaining the musical tradition as they have inherited their art from previous generations and continue to work for the creation of high-quality instruments. The scanning of traditional musical instruments and the use of 3D printing technology is an interesting way to preserve and disseminate cultural heritage. In our case, real traditional Cretan musical instruments made by traditional craftsmen were scanned and the exact 3D-printed replicas were developed to be transformed into digital musical instruments placed in a museum as a part of a system, called HapticSOUND. This process can contribute to the preservation and promotion of cultural heritage in relation to the traditional musical instruments of Crete. Additionally, it can allow users to interact with these instruments and learn more about them through digital technology. © 2023 IEEE.

关键词： 3D printing

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Mobility Data Mining: the Maritime Use Case 11

Mobility Data Mining: the Maritime Use Case

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11th IEEE International Workshop on Metrology for AeroSpace, MetroAeroSpace 2024

作者： Troupiotis-Kapeliaris, Alexandros Zissis, Dimitris Kohlbrenner, Sean Kastrisios, Christos Department of Product and Systems Design Engineering Syros Greece University of New Hampshire Center for Coastal & Ocean Mapping Joint Hydrographic Center DurhamNH United States

ISBN: (纸本)9798350385045

Maritime mobility monitoring can be achieved through remote sensing and self-reporting systems, which produce large datasets enabling the extraction of valuable information on global shipping trends. This extraction can be defined as a data mining task of transforming huge amounts of geospatial data, into a descriptive and compact data model, that can then be used for identifying the underlying relationships or patterns. In this work, we present a brief overview of mobility data mining as applied to the maritime use case. We highlight its unique aspects, identify six major data mining tasks, discuss indicative approaches found in literature, and address some challenges for future work. © 2024 IEEE.

关键词： Data mining

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Transport network downsizing based on optimal sub-network

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Communications in Transportation Research 2022年第1期2卷 317-332页

作者： Matthieu Guillot Angelo Furno El-Houssaine Aghezzaf Nour-Eddin El Faouzi Univ Gustave Eiffel Univ LyonENTPELICITF-69518LyonFrance Department of Industrial Systems Engineering and Product Design Faculty of Engineering and ArchitectureGhent UniversityGhentBelgium Industrial Systems Engineering(ISyE) Flanders MakeLommelBelgium

Transportation networks are sized to efficiently achieve some set of service *** particular circumstances,such as the COVID-19 pandemic,the demand for transportation can significantly change,both qualitatively and quantitatively,resulting in an over-capacitated and less efficient *** this paper,we address this issue by proposing a framework for resizing the network to efficiently cope with the new *** framework includes a model to determine an optimal transportation sub-network that guarantees the following:(i)the minimal access time from any node of the urban network to the new sub-network has not excessively increased compared to that of the original transportation network;(ii)the delay induced on any itinerary by the removal of nodes from the original transportation network has not excessively increased;and(iii)the number of removed nodes from the transportation network is within a preset known factor.A solution is optimal if it induces a minimal global *** modelled this problem as a Mixed Integer Linear Program and applied it to the public bus transportation network of Lyon,France,in a case *** order to respond to operational issues,the framework also includes a decision tool that helps the network planners to decide which bus lines to close and which ones to leave open according to specific trade-off *** results on real data in Lyon show that the optimal sub-network from the MILP model can be used to feed the decision tool,leading to operational scenarios for network planners.

关键词： Public transportation network Linear programming Decision tool Downsizing networks Case study

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IOHIVE: Architecture and Infrastructure of an IOT System for Beehive Monitoring and an Interactive Journaling Wearable Device for Beekeepers 23rd

IOHIVE: Architecture and Infrastructure of an IOT System for...

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23rd International Conference on Computational Science and Its Applications, ICCSA 2023

作者： Alifieris, Charalambos Chamaidi, Theodora Malisova, Katerina Mamalis, Dimitrios Nomikos, Evangelos Rigakis, Chrysostomos Vlachogiannis, Evangelos Stavrakis, Modestos Department of Product and Systems Design Engineering University of the Aegean Syros84100 Greece Kudzu P.C. Syros84100 Greece

ISBN: (纸本)9783031371165

IOHIVE is a project that focuses on the development of a smart apiculture system that incorporates sensors to monitor the weight, temperature, humidity, pressure, and sound of beehives. Additionally, the project involves the development of a wearable device that beekeepers use to interactively keep notes (journaling) of their empirical observations during beehive inspections at the apiary. This paper presents the architecture of the IOHIVE system/service, which consists of hardware infrastructures, including sensors, microcontrollers, network infrastructure (LoRA, Wifi, GSM/4G), as well as the wearable and its hardware and software. The software infrastructure includes the IOHIVE Service API, database, and the IOHIVE web application and its frontend and backend. The paper also describes the IOHIVE approach to smart beehive monitoring and journaling including the scenarios of the beehive inspection workflow, which includes the minimal and standard inspection scenarios. The IOHIVE system provides bee stakeholders, beekeepers and/or researchers (both mentioned from now on as beekeepers) with real-time monitoring of the beehives, enabling them to make informed decisions in time, resulting in improved bee health and productivity. The wearable device, coupled with the IOHIVE web application, provides a digital beekeepers’ journal that assists people in recording their observations in real-time on the field, enabling them to maintain accurate records of their beehives and bee colonies, and potentially identify trends over time. © 2023, The Author(s), under exclusive license to Springer Nature Switzerland AG.

关键词： Inspection

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Reconfigurable Soliton Crystals in Integrated Microresonators 16

Reconfigurable Soliton Crystals in Integrated Microresonator...

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16th Pacific Rim Conference on Lasers and Electro-Optics, CLEO-PR 2024

作者： Chia, X.X. Ong, K.Y.K. Rahim, A.A. Chen, G.F.R. Xing, P. Tan, D.T.H. Photonics Devices and Systems Group Engineering Product Development The Singapore University of Technology and Design 8 Somapah Road 487372 Singapore 2 Fusionopolis Way 138634 Singapore

Configurable and adiabatic generation of soliton crystals (SC) is achieved in an Si3N4 microring-resonator. 2-SC to 7-SCs are attained, achieving up to 21 dB increase in line power and 92 Gb/s PAM4 transmission per li... 详细信息

ISBN: (纸本)9798350372076

关键词： Microresonators

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A framework for evaluating a generic virtual commissioning data model 33

A framework for evaluating a generic virtual commissioning d...

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33rd CIRP design Conference

作者： Zhao, Jiaqi Aghezzaf, El-Houssaine Cottyn, Johannes Department of Industrial Systems Engineering and Product Design Ghent University Technologiepark 46-Zwijnaarde Gent9052 Belgium Flanders Make Belgium

The interoperability of different virtual commissioning applications requires a lot of manual work, as they mainly use proprietary file formats. In this case, a generic virtual commissioning data model is highly demanded to realize interoperability among different virtual commissioning applications. Based on this model, the effort of exchanging data between different virtual commissioning applications is significantly reduced. A comprehensive generic virtual commissioning data model contains a variety of virtual commissioning-related information, such as geometry, physics, kinematics, sensors, actuators, and signal connections. For such an elaborate data model, no method is contemporarily indicated to evaluate its interoperability performance. Thus, in this paper, a case-based evaluation framework is introduced to fill in this gap. With this framework, the interoperability performance of a generic virtual commissioning data model can be evaluated by conducting data exchange of several emulation models developed in different virtual commissioning applications, and each of their specific virtual commissioning modeling functions is covered in at least one of these emulation models. As an example, a case study is presented by exchanging 10 carefully selected emulation models between Siemens NX and Visual Components software applications via AutomationML data format. Based on the case study, the applicability of this evaluation framework is analyzed and discussed. Finally, conclusion and outlook are illustrated in the end. © 2023 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (https://***/licenses/by-nc-nd/4.0)

关键词： Electronic data interchange

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On the general form of bimonotone operators

arXiv

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arXiv 2025年

作者： Hadjisavvas, Nicolas Department of Product and Systems Design Engineering University of the Aegean Syros Greece

In a recent paper (2024) Camacho, Cánovas, Martínez-Legaz and Parra introduced bimonotone operators, i.e., operators T such that both T and −T are monotone, and found some interesting applications to convex feasibility problems, especially in the case the operator is also paramonotone. In the present paper we drop paramonotonicity and examine the question of finding the most general form of a bimonotone operator in a Banach space. We show that any such operator can be reduced in some sense to a single-valued, skew symmetric linear operator. This facilitates the proof of some results involving these operators in *** Codes 90C48 (Primary) 47H04 47H05 (Secondary) © 2025, CC BY-NC-SA.

关键词： Mathematical operators

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A Robust Digital Twin Framework for Coaxial Helicopters: Development, Validation, and Practical Implications 4

A Robust Digital Twin Framework for Coaxial Helicopters: Dev...

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4th IEEE International Conference on Digital Twins and Parallel Intelligence, DTPI 2024

作者： Fakhraian, Elham Marata, Francesco Dezobry, Victor Semanjski, Silvio Aghezzaf, El-Houssaine Semanjski, Ivana FlandersMake@Ugent Industrial Systems Engineering and Product Design Ghent Belgium Seal Aeronautica S.L. Barcelona Spain Digital Industries Software Siemens Lyon France

ISBN: (纸本)9798350349252

The advancement of Digital Twin (DT) technology, which serves as a digital representation of a physical object, system, or process, enables the simulation of real-world scenarios and enhances decision-making processes. In the aerospace industry, where product development and aircraft operation have substantial costs, using a validated aircraft model offers a cost-effective and safe approach for analyzing diverse attributes. This paper presents the development of a DT for coaxial rotorcraft. The model is demonstrated and validated through a case study of the CoAX600 helicopter and its flight data. The study highlights the importance of validation in ensuring the DT's accuracy and reliability before its practical application in flight scenarios. © 2024 IEEE.

关键词： Aerospace industry

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A Competency Framework for Assembly Operators 9th

A Competency Framework for Assembly Operators

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production Processes and product Evolution in the Age of Disruption - Proceedings of the 9th Changeable, Agile, Reconfigurable and Virtual production Conference CARV2023 and the 11th World Mass Customization and Personalization Conference MCPC2023

作者： Skripnik, Valeriya Hoedt, Steven Aghezzaf, El-Houssaine Cottyn, Johannes Department of Industrial Systems Engineering and Product Design Ghent University Technologiepark Gent-Zwijnaarde903 9052 Belgium Flanders Make Ghent Belgium

ISBN: (纸本)9783031348204

A competency framework identifies the required competencies for effective and efficient work in assembly operations. Detailed competency assessment helps to keep track of the competencies and evaluate their impact on the worker’s performance. The availability of an assembly operator competency framework will support industrial companies in workforce development in an Industry 5.0 context by optimizing the allocation of assembly and training tasks, towards a tradeoff between productivity and competence build-up, while keeping the motivation of the workforce on a high level. So far no such competency framework for assembly operators has been reported in literature so far. This paper contributes to the state-of-the-art by introducing a detailed description of a competency framework for assembly operators. Firstly, the background and structure of existing manufacturing-related competency models are introduced. Secondly, the basic principles of competency framework development are applied resulting in a dedicated competency framework for assembly operators. Thirdly, an experimental approach is proposed for a first evaluation of the assembly operator’s competency framework. Finally, a conclusion is made and further research steps are presented. © 2023, The Author(s), under exclusive license to Springer Nature Switzerland AG.

关键词： Personnel training

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Efficient Task Allocation and Path Planning for Unmanned Surface Vehicle in Supply Chain

Efficient Task Allocation and Path Planning for Unmanned Sur...

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International Conference on Mobile Data Management

作者： Elias Xidias Dimitris Zissis Department of Product and Systems Design Engineering University of the Aegean Syros Greece

ISBN: (数字)9798350374551

ISBN: (纸本)9798350374568

The rapid development of autonomous transportation systems is currently motivating several research initiatives. This paper presents an approach for efficient task allocation and path planning for an Unmanned Surface Vehicle (USV) which is requested to transfer products in an island group in the Aegean Sea. The proposed approach is based on a bi-level scheduling methodology, in the upper level, considering the weather conditions and the geographical characteristics of the area we create a square (from/to) travel time matrix. In the lower level, considering travel times we develop a Genetic Algorithm to achieve the USV’s task allocation and path planning. Experimental results demonstrate the effectiveness of our approach in guiding the USV’s to efficiently accomplish short sea container transshipment in the island group of Cyclades.

关键词： Sea surface Supply chains Seaports Path planning Research initiatives Resource management Task analysis

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