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Keywords = conventional delivery trucks and vans

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24 pages, 2460 KB  
Article
Analysis of Modern vs. Conventional Development Technologies in Transportation—The Case Study of a Last-Mile Delivery Process
by Mariusz Kostrzewski, Yahya Abdelatty, Ahmed Eliwa and Mirosław Nader
Sensors 2022, 22(24), 9858; https://doi.org/10.3390/s22249858 - 15 Dec 2022
Cited by 27 | Viewed by 7075
Abstract
Transportation plays a significant role in the global economy and society and takes part in a lot of different processes such as mass transportation and the supply chain. Therefore, it is crucial to introduce modern technologies in this area of the economy in [...] Read more.
Transportation plays a significant role in the global economy and society and takes part in a lot of different processes such as mass transportation and the supply chain. Therefore, it is crucial to introduce modern technologies in this area of the economy in the context of Industry 4.0. The main scope of this study is to develop a model that supports analyzing last-mile logistics modern solutions using the latest technologies such as road autonomous delivery robots (RADRs), civil drones, or smart bikes, and compare them to conventional solutions (delivery vehicles). Multi-criteria decision analysis (MCDA) was applied to build a formal comparison model that scores the solutions and weights different criteria according to decision-makers and placeholders, to rank the solutions from the most crucial option to the weakest in a predetermined scenario with set parameters and conditions (three varied scenarios were included in the present investigation). The results of the model were in favor of using civil drones or smart bicycles to perform light deliveries in small urban areas (these key findings support the assumptions that are often manifested in speech in the context of the use of new technologies). The modern solutions scored almost 40–80% higher in total in the conglomeration of assessment criteria (such as safety, economy, laws and regulations, operation time for the delivery, environment, and payload) than the conventional solution, which indicates the importance of studying the implementation of such technologies. An interesting result of the study is the operational cost reduction by ca. 60–74% in favor of autonomous delivery robots, 89–93% in favor of civil delivery drones, and 87–90% in favor of smart bikes vs. conventional delivery trucks/vans. Yet, it should be underlined that the results may vary with different assumptions within the MCDA method. Full article
(This article belongs to the Collection Sensors and Sensing Technology for Industry 4.0)
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10 pages, 510 KB  
Article
Implementing electric vehicles in urban distribution: A discrete event simulation
by Philippe Lebeau, Cathy Macharis, Joeri Van Mierlo and Guillaume Maes
World Electr. Veh. J. 2013, 6(1), 38-47; https://doi.org/10.3390/wevj6010038 - 29 Mar 2013
Cited by 31 | Viewed by 2642
Abstract
Urban freight transport becomes increasingly important with the development of cities. However, it generates also inefficiencies on social, economic and environmental aspects. A possible solution is the use of urban distribution centres in order to rationalise the deliveries and to operate the last [...] Read more.
Urban freight transport becomes increasingly important with the development of cities. However, it generates also inefficiencies on social, economic and environmental aspects. A possible solution is the use of urban distribution centres in order to rationalise the deliveries and to operate the last miles with clean vehicles. Electric vehicles are gaining attention lately but some barriers remain. Since costs barriers were already investigated, the paper aimed at evaluating the difference of performances between a centre using a diesel truck and a centre using an electric vehicle. In order to do so, the operations of an urban distribution centre were modelled in a discrete event simulation and different scenarios were evaluated. The results showed that replacing a conventional truck by an electric van generates more traffic due to the limited payload of the van. However, the limited range does not entail the daily operations of the vehicle since a single night charge is sufficient. Better, the depth of discharge is found to be limited to a minimum of 60%. The results on the battery are similar in the second scenario where the conventional truck is replaced by an electric truck. In that scenario though, no influences are identified on the logistics performances of the urban distribution center Full article
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