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Tomasz Dudek
Maritime University of Szczecin, ul. H.Pobożnego 11, Szczecin 70-507, Poland

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Journal article
Published: 15 May 2021 in Sustainable Cities and Society
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Nowadays, it is practically impossible to find a public place, where a person or object would not be under constant camera observation (mainly used to monitor traffic and to increase safety). Interpretation of such repositories, due to the huge amount of data, is not an easy task. Thus there is a need to introduce an intelligent processing systems that, through algorithmic image analysis, are able to detect e.g. situations worth of attention. The article presents methods of data acquisition from cameras mounted on unmanned aerial vehicles (UAV) and their further analysis, which may be used to improve urban transportation systems and its sustainability. The worked out data concern the situation of urban transport in points of intersection of national and local roads. The analysis of the road traffic concerning local road restoration, causing road closure was achieved using image processing and analysis algorithms. The data was obtained from unmanned aerial vehicle flights in critical city locations. Result of this paper may be used in the future together with the data from existing intelligent transportation systems (a fusion of such data will be needed). The application of used methods will allow to extend and support the existing approaches to manage public and freight transport in cities.

ACS Style

Artur Kujawski; Tomasz Dudek. Analysis and visualization of data obtained from camera mounted on unmanned aerial vehicle used in areas of urban transport. Sustainable Cities and Society 2021, 72, 103004 .

AMA Style

Artur Kujawski, Tomasz Dudek. Analysis and visualization of data obtained from camera mounted on unmanned aerial vehicle used in areas of urban transport. Sustainable Cities and Society. 2021; 72 ():103004.

Chicago/Turabian Style

Artur Kujawski; Tomasz Dudek. 2021. "Analysis and visualization of data obtained from camera mounted on unmanned aerial vehicle used in areas of urban transport." Sustainable Cities and Society 72, no. : 103004.

Journal article
Published: 13 April 2021 in Sustainability
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A city as a system that constitutes one of the most important areas of human activities. The significant role to fulfill their expectations pay the goods transport and deliveries. These issues are the subject of urban logistics. In broad terms, urban logistics may be construed as a number of processes focused on freight flows, which are completed in cities, including deliveries, supply, goods transfer, services, etc. Due to the different urban logistics stakeholders’ expectations, these systems generate many challenges for managers, especially in the context of city users’ needs and their quality of life. Today, there is a lack of broadened approach and methodology to support them from the processes’ efficiency perspective. To fulfill this gap, the purpose of this paper is to apply the Six Sigma method as a support in last mile delivery management. Six Sigma method plays important role in production systems processes management. However, it could be useful in much wider perspective, including transport and logistics processes. The Authors emphasize that the Six Sigma method could be efficient approach in the last mile delivery processes’ analysis in the context of their efficiency. It helps positioning the customer satisfaction level and quantify the delivery processes defects, related to the undelivered goods. Following that it could improve significantly the last mile delivery processes efficiency. The concept is illustrated by a sample evaluation of one of the urban logistics processes: completion of deliveries. To this end, urban logistics processes were defined. In particular, the delivery completion process was mapped, and the process client was defined along with their expectations. The defects that occurred in the process were identified and analyzed. A DPMO (Defect per Million Opportunities) indicator was established for three randomly selected months. In addition, a root cause analysis of errors was performed. The sigma level for the studied process ranged from 2.61 to 2.89. The factor that had the greatest impact on the number of defects defined as failed deliveries was customer’s absence. The obtained results indicate that the delivery process should be examined in more detail.

ACS Style

Justyna Lemke; Kinga Kijewska; Stanisław Iwan; Tomasz Dudek. Six Sigma in Urban Logistics Management—A Case Study. Sustainability 2021, 13, 4302 .

AMA Style

Justyna Lemke, Kinga Kijewska, Stanisław Iwan, Tomasz Dudek. Six Sigma in Urban Logistics Management—A Case Study. Sustainability. 2021; 13 (8):4302.

Chicago/Turabian Style

Justyna Lemke; Kinga Kijewska; Stanisław Iwan; Tomasz Dudek. 2021. "Six Sigma in Urban Logistics Management—A Case Study." Sustainability 13, no. 8: 4302.

Journal article
Published: 01 January 2019 in Procedia Computer Science
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ACS Style

Tomasz Dudek; Tygran Dzhuguryan; Justyna Lemke. Sustainable production network design for city multi-floor manufacturing cluster. Procedia Computer Science 2019, 159, 2081 -2090.

AMA Style

Tomasz Dudek, Tygran Dzhuguryan, Justyna Lemke. Sustainable production network design for city multi-floor manufacturing cluster. Procedia Computer Science. 2019; 159 ():2081-2090.

Chicago/Turabian Style

Tomasz Dudek; Tygran Dzhuguryan; Justyna Lemke. 2019. "Sustainable production network design for city multi-floor manufacturing cluster." Procedia Computer Science 159, no. : 2081-2090.

Journal article
Published: 01 January 2019 in Transportation Research Procedia
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ACS Style

Artur Kujawski; Justyna Lemke; Tomasz Dudek. Concept of using unmanned aerial vehicle (UAV) in the analysis of traffic parameters on Oder Waterway. Transportation Research Procedia 2019, 39, 231 -241.

AMA Style

Artur Kujawski, Justyna Lemke, Tomasz Dudek. Concept of using unmanned aerial vehicle (UAV) in the analysis of traffic parameters on Oder Waterway. Transportation Research Procedia. 2019; 39 ():231-241.

Chicago/Turabian Style

Artur Kujawski; Justyna Lemke; Tomasz Dudek. 2019. "Concept of using unmanned aerial vehicle (UAV) in the analysis of traffic parameters on Oder Waterway." Transportation Research Procedia 39, no. : 231-241.

Journal article
Published: 01 January 2019 in Transportation Research Procedia
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ACS Style

Tomasz Dudek; Bożena Śmiałkowska. Integrated quality assessment of services in an adaptive expert system with a rule-based knowledge base. Transportation Research Procedia 2019, 39, 34 -41.

AMA Style

Tomasz Dudek, Bożena Śmiałkowska. Integrated quality assessment of services in an adaptive expert system with a rule-based knowledge base. Transportation Research Procedia. 2019; 39 ():34-41.

Chicago/Turabian Style

Tomasz Dudek; Bożena Śmiałkowska. 2019. "Integrated quality assessment of services in an adaptive expert system with a rule-based knowledge base." Transportation Research Procedia 39, no. : 34-41.