10 research outputs found

    Employing the Internet of Things to Attain Resilience Across Supply Chain

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    This paper investigates and analyses the features of sustainable warehousing by conducting a systematic literature review (SLR) to create a significant insight of the expanding and growing trends of sustainable warehousing, to fit perfectly within the net-zero supply chain strategies and adapting to the new value adding practices of Industry 5.0. Using a set of 65 publications, including journal papers, conference papers, and reviews, for the last 10 years, between 2013 and 2023, the SLR highlights and considers several green logistics areas that are essential to help redesign the features of sustainable warehouses. The paper also emphasizes the need for further research to develop new models for warehouses that can be implemented in the Industry 5.0 supply chain to achieve net-zero goals. In other words, the paper is trying to understand the current state of sustainable warehousing and identify areas where improvements can be made to make warehouses more sustainable and environmentally friendly, and to help the industry move towards a net-zero supply chain. Additionally, the paper is suggesting that there is a need for more research to be done to create new models for warehouses that can be applied in the Industry 5.0 supply chain, in order to reach net-zero goals

    Development of Gen2 RFID-based Closed-loop Supply Chain Management System

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    학위논문 (박사)-- 서울대학교 대학원 : 공과대학 산업·조선공학부, 2018. 2. 박진우.With the extended producer responsibility, which is a countermeasure for environmental problems such as resource depletion in manufacturing industries, responsibility of manufacturers who produce automotive, electrical and electronic equipment has been extended beyond production, retailing, to collection and recycling of the end-of-life products. Particularly in the case of recycling, a legal system has been introduced that enforces recycling at a certain rate or more on a mass basis. In this background, scope of the supply chain management also has been extended beyond forward process, which consists of sourcing, producing, and delivery, to reverse process. It is called closed-loop supply chain in terms of constantly using the resources that have been put into the manufacturing ecosystem. Proper operation of the closed-loop supply chain can maximize economic profit by value creation along with whole product lifecycle as well as complying with environmental legislation. However, chronic uncertainties of reverse process cause inefficiency in terms of overall performance of closed-loop supply chain. In terms of physical flow, the timing and quantity of end-of-life product return is difficult to predict. Moreover, recycling network is complex because there are many participants in reverse process. In terms of product lifecycle, residual values of returned products are all different due to the factors like usage environments, user behaviors, and so forth. Moreover, this problem becomes even worse at component level. Many research efforts have been proved that real-information gathering can solve this problem. In this context, a system framework that minimizes uncertainties and facilitates various positive effects along with the product lifecycle by using the internet-of-things including radio frequency identification (RFID) and sensors, will be proposed in this dissertation. Unlike the existing approaches that only tag products, component-level individual tagging that tags not only products but also components will be proposed for more detailed lifecycle information management. Especially, encoding the family relationships among the components, by using user memory that is provided by Gen2 RFID protocol, will be proposed to extract new contribution. Information system including RFID tag encoding scheme, will be designed to strictly comply with the established standards to ensure compatibility within the industries in the future. Additionally, potential effects will be examined. Real-time monitoring and maintenance (RMM) and counterfeit prevention scheme, which are intangible effects in terms of product service in the middle-of-life phase, will be introduced. Especially, sweeping scan approach to prevent structural counterfeits of products by using the family relations in the user memory, will be introduced. Also it will be shown that the proposed system is valuable for remanufacturing process streamlining and hybrid remanufacturing/manufacturing production planning with numerical studies.1. Introduction 1 1.1. Product Recycling 1 1.2. Closed-loop Supply Chain 4 1.3. Internet-of-Things 8 1.4. Goal and Scope 10 2. Literature/Technology Review 15 2.1. Literature Review 15 2.2. Technology Review: RFID and Gen2 Standard 21 3. Analysis of Korean ELV Remanufacturing Industry 24 3.1. Overview 24 3.2. Problem Extraction and Classification 26 4. Design of the Proposed System 32 4.1. Lifecycle Information Gathering and Component-level Tagging 32 4.2. Information System Framework and Lifecycle Implications 37 4.3. Design of Data Architecture 46 4.4. Database Transactions for Potential Effects 57 5. System Implementation in the MOL Phase 61 5.1. Real-time Monitoring and Maintenance 61 5.2. Counterfeit Prevention 66 6. Remanufacturing Process Streamlining 70 6.1. Elimination of the Unnecessary Loop 70 6.2. A Requisite for Enhancement 77 7. Hybrid Production Planning for a Remanufacturing/Manufacturing System 87 7.1. Conceptual Modeling 87 7.2. Mathematical Modeling 94 7.3. Computational Results 101 7.4. Sensitivity Analysis 110 8. Conclusion 126 8.1. Summary 126 8.2. Limitations and Future Research Direction 129 Appendix. Numerical Experiment Settings 131 Bibliography 138 국문초록 149Docto

    Advances in Production Management Systems. Innovative and Knowledge-Based Production Management in a Global-Local World: IFIP WG 5.7 International Conference, APMS 2014, Ajaccio, France, September 20-24, 2014, Proceedings, Part II

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    The three volumes IFIP AICT 438, 439, and 440 constitute the refereed proceedings of the International IFIP WG 5.7 Conference on Advances in Production Management Systems, APMS 2014, held in Ajaccio, France, in September 2014. The 233 revised full papers were carefully reviewed and selected from 271 submissions. They are organized in 6 parts: knowledge discovery and sharing; knowledge-based planning and scheduling; knowledge-based sustainability; knowledge-based services; knowledge-based performance improvement, and case studies.Scopu

    Study on the antecedents of information technology adoption in the Nigerian small and medium scale enterprises

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    This thesis determines the mediating effects of Organizational commitment and the moderating roles of Demographic variables on the relationship between Information Technology (IT) Characteristics and Adoption in the Nigerian SMEs. The objectives of the study are to assess how IT characteristics relate to “Adoption” directly and indirectly through Organizational commitment and also how the relationships between IT characteristics and adoption are moderated by Age, Gender and Experience. This research considers complexity, compatibility, usefulness and ease of use from Diffusion of Innovation theory (DOI) and Technology Acceptance Model (TAM) respectively. It takes Age, Gender and Experience from Unified Theory of Acceptance and Use of Technology (UTAUT2) and, Commitment from Allen and Meyer Theory. For the purpose of, survey two-hundred and fifty (250) questionnaires were distributed and 183 valid ones were analyzed using SPSS software embedded with Hayes PROCESS command. The quantitative outcome from the SPSS/PROCESS command reveals that organizational commitment is a mediator of the relationship between complexity and adoption, as well as compatibility and adoption. However, there was no evidence to show that it mediates usefulness and ease of use. The research also found that age gender and experience only moderate compatibility and ease of use. Among the major contributions of this research are the extension of UTAUT2 to include DOI constructs and the use f a different sample to further the generalizability of UTAUT2 in a different context. The framework(s) proposed in this study could be used by business managers and government when taking some core-decisions relating to IT. This implies that the outcome could be used as a competitive tool to overcome stiff competitions by priotizing the appropriate areas that have the tendency of yielding fruitful outcome. Considering how the research instrumentation was conducted, likelihood of bias can not be cancelled out completely though, the researcher made efforts to ensure a random distribution of questionnaires

    Global production networks: Design and operation

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    Potensi Autourism di Taman Negara Johor Endau Rompin, Johor, Malaysia

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    Entomopelancongan bukan suatu yang baharu di Malaysia jika disandarkan kejayaan kupu-kupu dan kelip-kelip sebagai produk pelancongan alam semulajadi sebelum ini. Kajian-kajian terkini mendapati terdapat beberapa kumpulan serangga lain yang berpotensi untuk diketengahkan sebagai produk entomopelancongan seperti semut yang tinggi kehadirannya. Kajian ini bertujuan untuk mempelbagai produk pelancongan dalam usaha mempertingkat industri pelancongan alam semulajadi di Taman Negara Johor Endau Rompin (TNJER). Fasa I kajian ini melibatkan pemerhatian kehadiran serangga dan juga persampelan spesimen semut. Hasil pemerhatian menunjukkan kumpulan serangga semut antara paling mudah dilihat di TNJER yang diikuti oleh anai-anai dan nyamuk. Fasa II pula telah dilakukan kajian soal selidik terhadap 117 orang pelancong TNJER untuk mengetahui pengetahuan ekologi semut yang dikehendaki. Responden telah memilih sistem komunikasi semut sebagai pengetahuan ekologi yang utama diikuti oleh morfologi semut, sistem pertahanan dan kaedah mencari makanan dan pemakanan. Hasil pada Fasa II telah digunakan dalam Fasa III kajian untuk mengkaji pelbagai aspek ekologi kumpulan serangga tertumpu melalui kajian lapangan dan maklumat sekunder. Akhir sekali, Fasa IV pula untuk memenuhi objektif terakhir kajian bagi menghasilkan satu buku kecil ANTourism di TNJER dan mengujinya. Berdasarkan percubaan penggunaan buku kecil oleh pelancong juga telah berjaya mendapatkan beberapa pandangan dan cadangan bemas bagi penambahbaikan kandungan buku kecil pada masa hadapan. Keseluruhannya, ANTourism diharapkan menjadi penyumbang kepada industri pelancongan selain mendidik masyarakat tentang kepentingan pemuliharan alam sekitar. Menghargai alam bermula dengan mengenali alam itu sendir

    Approches organisationnelles pour la conception de systèmes multi-agents dédiés à la gestion des connaissances; Application aux projets d'ingénierie et d'innovation Composition du jury

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    Approches organisationnelles pour la conception de systèmes multi-agents dédiés à la gestion des connaissances; Application aux projets d’ingénierie et d’innovatio

    Measurement of service innovation project success:A practical tool and theoretical implications

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