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Exploring digital twins in the transport and energy fields : a bibliometrics and literature review approach
Milena Kajba, Borut Jereb, Tina Cvahte Ojsteršek, 2023, review article

Abstract: Logistics and transport are major sources of energy consumption that still rely heavily on fossil fuels. Especially in the freight sector, finding means to optimise fuel consumption and energy efficiency are increasingly important. Digital twins’ adaptation in logistics and transport is not as frequent as in production, but their implementation potential is immense. This technology can replicate real environments, allowing verification of various scenarios without real-life application, leading to optimal implementation outcome faster and more efficiently. This paper aims to research digital twins’ use in logistics and transport, focusing on digital twins’ potential and effects to optimise energy consumption. Firstly, previous research on digital twins in specified fields was identified, followed by a quantitative literature review. The latter focused on codifying the selected publications based on criteria such as modality, specific environment, energy consumption, etc. Furthermore, a qualitative overview of 57 relevant publications on digital twins’ use in logistics and transport was made. The main contribution of this paper is the systematic overview of digital twins from the viewpoint of energy optimisation in one of the most energy-dependent sectors. This gives researchers a good starting point for further research and digital twins’ practical implementation cases.
Keywords: logistics, transport, digital twin, energy consumption, optimisation, literature review, bibliometrics
Published in DKUM: 22.04.2024; Views: 45; Downloads: 5
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A Framework for adopting a sustainable reverse logistics service quality for reverse logistics service providers : a systematic literature review
Ahmed Dabees, Mahmoud Barakat, Sahar Sobhy El Barky, Andrej Lisec, 2023, review article

Abstract: Reverse logistics has become a competitive need for sustainability. Lack of resources to apply reverse logistics solutions has severely impacted many supply chains’ costs and customer service, making it impossible to meet the expectations of return processing. In those conditions, client demands for higher service quality are the main drivers of effective sustainability operations. This study aims to establish the sustainable reverse logistics service quality (SRLSQ) theoretical framework offered by reverse logistics services providers (RLSPs). The study conducts a systematic methodology protocol by examining reliable academic periodicals using PRISMA guidelines based on the research scope and identified 56 papers from 2011–2022, with the main research focus on SSQ and RLSQ dimensions to develop a research framework. By re-evaluating those factors using the SRLSQ framework and by including sustainability into the service quality approach, this study expanded the practicability of reverse logistic service quality and sustainable service quality. The results point to a knowledge gap when it comes to quantifying the impact of reverse logistics operation process through a triple bottom line approach on customer outcomes, relationship quality (RQ), and mediation of operation risk factor, which could be examined within various contexts in subsequent work.
Keywords: sustainability, reverse logistics, sustainable reverse logistics service quality, customer satisfaction, operational risk
Published in DKUM: 09.04.2024; Views: 75; Downloads: 2
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Sustainability orientation and focus in logistics and supply chains
Sebastjan Lazar, Dorota Klimecka-Tatar, Matevž Obrecht, 2021, original scientific article

Abstract: Sustainable development, logistics, and supply chain are being combined into three increasingly connected and topical global research areas. Therefore, this paper's novelty identifies and defines the priorities of the UN Sustainable Development Goals and sustainable development dimensions in supply-chain- and logistics-management-related studies in the last decade. Knowing logistics and supply chain sustainability focus and orientation is valuable information for researchers and managers to adapt and mitigate their business logistics according to the forecasted trends. The paper provides a systematic and comprehensive review of the literature and is based on 116 scientific papers published between 2010 and 2020 in 73 international journals in the Scopus and Web of Science databases. The study defines focus with integrating environmental, social, and economic sustainability for logistics- and supply-chain-related studies. It emphasizes primary and secondary links of investigated studies with 17 United Nations sustainable development goals. The bibliometric analysis also examined keyword relations. One of the main contributions is that economic sustainability was identified as the most represented one-dimensional sustainability focus. It was revealed that supply chain studies integrated all three sustainability dimensions more frequently (50.60%) than logistics studies, which were equally related to studying two- or three-dimensions of sustainability (39.39%). The most significant findings are also that studies were identified to be oriented primarily towards "responsible consumption and production", "industry, innovation, and infrastructure" and "affordable and clean energy" and secondary especially on "sustainable cities and communities".
Keywords: sustainable development goals, sustainable development, supply chain management, logistics
Published in DKUM: 19.02.2024; Views: 204; Downloads: 9
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XVII. International Conference on Logistics in Agriculture 2023 : Conference Proceedings
2023, proceedings

Abstract: 17th International Conference on Agricultural Logistics organized by: Landscape Governance College GRM Novo mesto, Grm Novo mesto – center of Biotechnology and Tourism, the Faculty of Logistics of the University of Maribor, the Municipality of Sevnica and Cooperatice Union of Slovenia. The central theme of this year’s conference will be “Climate changes of logistics in agriculture“. The conference has become traditional and paves the way for a different view of logistics in connection with agriculture.
Keywords: logistics, agriculture, local food, electric vehicles, international conferences, proceedings
Published in DKUM: 21.12.2023; Views: 301; Downloads: 10
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Drone last mile delivery : an assessment of the viable market and security potential of drone delivery
Igor Grofelnik, Uroš Godnov, Marjan Sternad, 2022, original scientific article

Abstract: Purpose: the paper includes a review of the literature in the field of drones, drone technology, possible implementation in the field of the last mile concept, legislation, suitability of technology in the field of security, weather conditions, social acceptance and later focuses on checking the possible implementation of drones according to the set parameters. Methodology: for the purposes of research and obtaining answers to the posed research question and hypotheses, we used the method of literature review in the selected field, panel data analysis, conducted interviews with experts in the field of delivery drones in the Republic of Slovenia, and conducted secondary research. Results: the results show an assessment of the possible implementation of drones based on the analysis of the obtained data and interviews. We determined a realistic assessment of the potential of delivery drones, in which we included several vital aspects necessary for implementation. Conclusion: it was found that the current technology is not yet fully adequate, and significant technological improvements are also needed. It is also necessary to plan integrated urban spatial solutions that will enable safe and efficient delivery in the supply chain. Namely, delivery with drones is currently ineffective due to flight safety, harmful sound emissions and the inability to fly in bad weather conditions. Based on a literature review and a survey among large logistics companies, it was found that there are still many barriers to implementation due to legal norms and regulations, which are currently very constructive. It is unlikely, however, that parcel delivery will take off in an urban environment soon, as there are still many unknowns. With proper planning and use of suburban consolidation centres, e-vans, e-cars and bicycles are currently economically viable for last mile delivery.
Keywords: drones, last mile, urban logistics, parcel delivery
Published in DKUM: 18.09.2023; Views: 376; Downloads: 12
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Dynamic discrete inventory control model with deterministic and stochastic demand in pharmaceutical distribution
Slobodan Antić, Lena Djordjevic Milutinovic, Andrej Lisec, 2022, original scientific article

Abstract: This paper presents an inventory control problem in a private pharmaceutical distribution company from the Republic of Serbia. The company realizes that distribution within nine neighbouring countries and inventory control in the pharmaceutical supply chain is centralized. In order to constitute a conceptual model of the problem, we propose the modern control theory concept. The conceptual model is based on the specific practical assumptions and constraints of the supply chain. Thereafter, a dynamic discrete mathematical model of inventory control is formulated to reflect elements of the system and their relations. The model considers multiple pharmaceutical products, variable lead time, realized stochastics and deterministic demand, and different ordering policies (Lot for Lot and Fixed Order Quantity). Deterministic demand is represented as a sales forecast for each product per month, while stochastic demand is generated as a random variation of sales forecast in a range of ±20%. Two objective functions are defined as the maximization of the difference between planned average inventory level and realized average inventory level, and the minimization of stock-out situations. We develop a procedure for the determination of reorder points and the number of deliveries to achieve proposed objective functions. The model overcomes shortages of theoretically-based distribution requirements planning models and offers solutions to the limitations in inventory control practice. Real-life data, collected over two years, are used for the validation of the proposed model and the solution procedure. Numerical examples illustrate the model application and behaviour.
Keywords: distribution, inventory management, logistics, pharmaceutical companies
Published in DKUM: 09.08.2023; Views: 360; Downloads: 22
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Sustainability topics integration in supply chain and logistics higher education : where is the Middle East?
Maja Rosi, Matevž Obrecht, 2023, original scientific article

Abstract: The global logistics industry has grown significantly in the last decade and has become essential to global business activities. In addition, the logistics industry is vital in transportation, urbanization in the Middle East, and transshipment through the Middle East. Due to their increasing importance and size, there is an increasing demand for adequately qualified people capable of managing the logistics systems and supply chains holistically and sustainably to avoid problems caused by unsustainable practices in mobility, transport, and supply chains. However, it is unclear whether the logistic and supply chain education of future leaders, managers, and engineers will follow SDG goals, the rise of new trends, and green technologies or lag behind. This paper pioneered a systematic approach and analyzed Middle Eastern countries regarding their sustainability integration into higher education programs related to supply chain management and logistics studies. It revealed enormous differences among countries and a lack of sustainability topics in most studied countries. Some countries are also significantly more oriented toward partial logistics challenges such as transport efficiency instead of sustainable supply chains, which are becoming critical challenges for the near future and must be accompanied by formal and life-long learning on sustainability-related topics. The circular economy and corporate social responsibility are especially neglected. It was also revealed that sustainability integration in higher education does not correlate with sustainability scores and the ranking of countries within the sustainability index.
Keywords: sustainability integration, Middle East, supply chain management, responsible logistics, education for SDGs
Published in DKUM: 25.07.2023; Views: 278; Downloads: 34
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Measuring sustainability in supply chains : comparative study of 15 top logistic companies operating in Slovenia
Petra Serdinšek, Lara Sladič, Matevž Obrecht, 2022, original scientific article

Abstract: Our research work refers to measuring sustainability in supply chains. First of all we will touch the topic, what means measuring sustainability in supply chain and how it can be measured. We will focus on our research area of fifteen companies, where we will investigate how much Slovenian companies deal with sustainability in their companies, how much sustainability means to them and how they measure it, if their company contributes a lot to the sustainability of supply chain or to the sustainable operation of the whole company. In recent years, have the supply chains undergone significant changes as a result of the COVID-19 crisis, which has forced companies to change the way of their operating in order to make their supply chains more efficient. The COVID-19 crisis has therefore made companies realize that they need to move to a circular economy, as it has shown the disruption or vulnerability of current supply chains. About sustainability is more and more speech and also more and more companies are recognizing its importance, because sustainable supply chain affects to the entire production process, from the sourcing of raw materials to the recycling of products or raw materials, if this is possible. A sustainable supply chain increases a company’s competitiveness and also reduces costs for the company.
Keywords: sustainable supply chain, supply chain management, logistics companies, sustainable development
Published in DKUM: 13.07.2023; Views: 296; Downloads: 24
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Post COVID logistics, strategies and actions need to be taken : evidence from small and medium scale food and beverages manufacturing sector
Touhidul Islam, Hasibul Islam, Redwanuzzaman, Masud Rana, Kamal Hossain, 2022, original scientific article

Abstract: Food is required for both humans and animals, however during the covid-19 era, many small and medium-sized food enterprises are struggling to produce and transport food, and others are on the verge of closing down. Now is the moment to build a future strategy and action plan for the small and medium-sized food industry to mitigate the economic effects of the COVID-19 outbreak. This study's objective is to identify probable tactics, policies, and action plans and evaluate their efficacy and acceptability. This study also explores and quantifies the post-COVID effects of Covid-19 on Bangladesh's Small and Medium-Scale Food Industries. Using a non-probability sample technique, three types of self-administered questionnaires were utilized to gather data from the owner, factory in-charge, manager, and CEO of the Food and Beverage Manufacturing sector. Using SPSS software V.25, descriptive analysis was performed to display frequencies, %ages, and mean scores, while one-sample t-test was utilized to compare the value (mean) of the viewpoints (strategies & action plans) with the supplied value (test value). Results indicate that the probable strategies and action plans (14 strategies) that need to be implemented by the government is high and acceptable and that the effectiveness of other probable strategies and action plans (5 strategies) that need to be implemented by food and beverage manufacturers may also acceptable and could apply to the post-covid situation.
Keywords: post-covid, S&M scale food industry, food & beverage, logistics, strategies and actions, one-sample t-test
Published in DKUM: 13.07.2023; Views: 385; Downloads: 33
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Appropriate criteria for a transition from conventional to sustainable warehousing
Anita Vasileva, Ana M. Lazarevska, Kristina Jakimovska, 2022, original scientific article

Abstract: This research paper conducts the process of selecting the criteria that are the most appropriate for a transition from conventional to sustainable warehousing. SWOT analysis is used to emphasise the weaknesses of conventional and the strengths of sustainable warehousing to select the most appropriate for the herein presented study. The results have been verified via a questionnaire filled out by professionals in economics, logistics and warehousing, and mechanical engineering. be added under the methodology section. The results gave the five most important criteria by transforming the conventional into sustainable warehousing. Finally, the paper concluded that renewable energy sources are the most important criteria for transforming by conventional to sustainable warehousing by environmental aspects, as well as the smart technology is above all other criteria by economic aspect. Moreover, providing personal protection equipment and servicing machinery and vehicle on regular basis are the two mainly criteria by social (safety) aspect.
Keywords: logistics, sustainable warehousing, SWOT analysis, renewable energy
Published in DKUM: 13.07.2023; Views: 242; Downloads: 24
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