3,121 research outputs found

    Ultracapacitors for port crane applications: Sizing and techno-economic analysis

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    The use of energy storage with high power density and fast response time at container terminals (CTs) with a power demand of tens of megawatts is one of the most critical factors for peak reduction and economic benefits. Peak shaving can balance the load demand and facilitate the participation of small power units in generation based on renewable energies. Therefore, in this paper, the economic efficiency of peak demand reduction in ship to shore (STS) cranes based on the ultracapacitor (UC) energy storage sizing has been investigated. The results show the UC energy storage significantly reduce the peak demand, increasing the load factor, load leveling, and most importantly, an outstanding reduction in power and energy cost. In fact, the suggested approach is the start point to improve reliability and reduce peak demand energy consumption

    Sustainable supply chain management in the digitalisation era: The impact of Automated Guided Vehicles

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    Internationalization of markets and climate change introduce multifaceted challenges for modern supply chain (SC) management in the today's digitalisation era. On the other hand, Automated Guided Vehicle (AGV) systems have reached an age of maturity that allows for their utilization towards tackling dynamic market conditions and aligning SC management focus with sustainability considerations. However, extant research only myopically tackles the sustainability potential of AGVs, focusing more on addressing network optimization problems and less on developing integrated and systematic methodological approaches for promoting economic, environmental and social sustainability. To that end, the present study provides a critical taxonomy of key decisions for facilitating the adoption of AGV systems into SC design and planning, as these are mapped on the relevant strategic, tactical and operational levels of the natural hierarchy. We then propose the Sustainable Supply Chain Cube (S2C2), a conceptual tool that integrates sustainable SC management with the proposed hierarchical decision-making framework for AGVs. Market opportunities and the potential of integrating AGVs into a SC context with the use of the S2C2 tool are further discussed

    Impact of COVID-19 on port terminal performance in the United States of America

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    Future Greener Seaports:A Review of New Infrastructure, Challenges, and Energy Efficiency Measures

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    Recently, the application of renewable energy sources (RESs) for power distribution systems is growing immensely. This advancement brings several advantages, such as energy sustainability and reliability, easier maintenance, cost-effective energy sources, and ecofriendly. The application of RESs in maritime systems such as port microgrids massively improves energy efficiency and reduces the utilization of fossil fuels, which is a serious threat to the environment. Accordingly, ports are receiving several initiatives to improve their energy efficiency by deploying different types of RESs based on the power electronic converters. This paper conducts a systematic review to provide cutting-edge state-of-the-art on the modern electrification and infrastructure of seaports taking into account some challenges such as the environmental aspects, energy efficiency enhancement, renewable energy integration, and legislative and regulatory requirements. Moreover, the technological methods, including electrifications, digitalization, onshore power supply applications, and energy storage systems of ports, are addressed. Furthermore, details of some operational strategies such as energy-aware operations and peak-shaving are delivered. Besides, the infrastructure scheme to enhance the energy efficiency of modern ports, including port microgrids and seaport smart microgrids are delivered. Finally, the applications of nascent technologies in seaports are presented

    Past, state-of-the-art and future of intralogistics in relation to megatrends

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    Nakon kratkog pregleda istorije intralogistike, ovaj rad izučava pogled na navedene tehnologije. One su u vezi sa t.z.v. 'megatrendovima' kao što su globalizacija, urbanizacija, demografske i klimatske promene, za koje se očekuje da donesu globalne promene u nekoliko sledećih decenija i koje će najverovatnije odrediti buduću ulogu intralogistike i fokus istraživanja u ovoj oblasti.After briefly reviewing the history of intralogistics, this paper examines the outlook for the technologies concerned. This is related to the so-called 'megatrends', such as globalisation, urbanisation, demographic shifts and climate change, which are expected to bring about major global transformations over the next few decades, and which are also likely to determine the future functions of intralogistics and the focus of research in the field

    Past, state-of-the-art and future of intralogistics in relation to megatrends

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    Nakon kratkog pregleda istorije intralogistike, ovaj rad izučava pogled na navedene tehnologije. One su u vezi sa t.z.v. 'megatrendovima' kao što su globalizacija, urbanizacija, demografske i klimatske promene, za koje se očekuje da donesu globalne promene u nekoliko sledećih decenija i koje će najverovatnije odrediti buduću ulogu intralogistike i fokus istraživanja u ovoj oblasti.After briefly reviewing the history of intralogistics, this paper examines the outlook for the technologies concerned. This is related to the so-called 'megatrends', such as globalisation, urbanisation, demographic shifts and climate change, which are expected to bring about major global transformations over the next few decades, and which are also likely to determine the future functions of intralogistics and the focus of research in the field

    THE OPERATIONAL SYSTEM OF CONTAINER LOADING-UNLOADING IN JAKARTA INTERNATIONAL CONTAINER TERMINAL AND PORT OF LAMONG BAY SURABAYA

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    Abstract Indonesia is a maritime country since approximately 67% of its area is ocean and has the 2nd longest coastline worldwide. In fact, its maritime facilities aren’t well operated, therefore Indonesia has to improve its operational system to increase the efficiency. This study would provide an approach of analyzing operational system design of container loading-unloading in JICT and TTL, land transportation proposed system combined with magnetic technology used by the ports, and its economical and technical impacts of this maritime infrastructure. To achieve the goal, study of literature, qualitative and quantitative analysis will be the proper method to use. The system proposed in this study is 69-83% faster with its operational cost is 24-40% cheaper compared to JICT and TTL. Moreover, this system is environmental-friendly and will work safer. Overall, it is expected that this system will provide broad insight as well as a consideration for the use at Indonesian ports. Keywords: Indonesia, ports, magnetic technology, maritime infrastructure, operational system design of container loading-unloading  Abstrak Indonesia dikenal sebagai negara maritim sejak sekitar 67% wilayah negara Indonesia adalah laut dan memiliki garis pantai terpanjang ke-2 di dunia. Faktanya, fasilitas maritim di Indonesia belum cukup optimal sehingga membutuhkan perbaikan sistem operasional untuk meningkatkan efisiensi kegiatan bongkar-muat kontainer. Penelitian ini akan memberikan pendekatan analisis potensi desain sistem operasional bongkar-muat kontainer di pelabuhan dengan studi kasus JICT dan TTL, sistem transportasi darat usulan yang dikombinasikan dengan teknologi magnetik dalam terminal pelabuhan, serta dampak ekonomis dan teknis dari infrastruktur maritim ini. Untuk mencapai tujuan tersebut, studi literatur serta analisis kualitatif dan kuantitatif menjadi metode yang tepat untuk digunakan. Sistem usulan pada penelitian ini memiliki waktu 69-83% lebih cepat dengan biaya operasional 24-40% lebih kecil dari JICT dan TTL. Selanjutnya, sistem ini bersifat ramah lingkungan dan lebih aman secara teknis. Secara keseluruhan, diharapkan penelitian ini akan memberikan wawasan luas mengenai sistem bongkar-muat kontainer serta menjadi pertimbangan untuk digunakan di pelabuhan Indonesia. Kata-kata kunci: Indonesia, pelabuhan, teknologi magnetik, infrastruktur maritim, desain sistem operasional bongkar-muat kontaine
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