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Spis artykułów:

 

1. "WEBSTER’S DELAY FORMULA REVISION BY M+Δ/G+Δ/1 QUEUING MODEL USAGE"
Leszek Mindur, Grzegorz Sierpiński

Webster’s delay model was published for the first time almost 60 years ago (exactly in 1958). Next year will be a round anniversary. It became an occasion to verify the model. The method described in the paper discusses thesis of general shifted distribution of service times. Proposes delay model allows to use variance of service time as one of the parameters of a traffic flow at signalized intersection.

 

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2. "ASSESSMENT OF CUSTOMER SATISFACTION IN LOGISTIC OPERATORS"
Marzena Kramarz, Maciej Slupina

Among numerous factors which affect a company's success on the market, the customer satisfaction is an important element. This paper presents a proposal for customer satisfaction assessment procedures which takes into account customer segmentation. A survey was carried out among the customers of the Silesian branch of an international logistic operator. As a result, CSI was measured in selected segments, quality maps were prepared and logistic customer service elements requiring improvement were proposed.

 

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3. "ORGANIZATION OF TRANSPORT AND STORAGE PROCESSES IN LOGISTICS ENTERPRISES FUNCTIONING IN THE ŁÓDŹ REGION – STUDY RESULTS"
Robert Walasek

The objective of this article is to try to determine the levels of implementation and the use of modern technologies in selected areas of internal transport and storage. This is primarily due to the very high dynamics of the environment and the increasing level of customer centricity that forces companies to systematically search for new, innovative and competitive solutions, particularly in logistics chain. Such solutions are particularly desirable in strategic areas of logistics, that is: storage and handling. Hence, modern companies increasingly more often decide to implement state-of-the-art solutions that would not only improve the functioning of the entire organization, but first and foremost would bring about competitive advantage on the market.

 

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4. "THE CONCEPT OF TRACKING CONFIDENTIAL CONSIGNMENTS"
Robert Waszkowski

The article outlines the concept of an extension for innovative e-system for managing the lifecycle of documents at different levels of sensitivity, including the function of continuous tracking of consignments from one protected zone to another. The operations of the module are based on the use of RFID tags for the documents. At particular stages of transport, the tags are read to allow automatic identification of the contents of the shipment. The transported documents are secured in special burglar-proof containers. Additionally, the containers are equipped with GPS and GLONASS location modules. The author also described an IT system which allows to monitor, store and analyze the transport route.

 

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5. "THE IMPORTANCE OF INTERNAL TRANSPORT IN ORGANIZING HIGH-BAY WAREHOUSES"
Sara Alszer, Jolanta Krystek

The article presents internal transport system and principles of transport organization, in order to indicate that the effectiveness of material flow management in a warehouse depends on the transport strategy used by a manufacturing plant. In the paper different means of transport enabling movement of components and semi-finished products are described. From the perspective of industrial plants, minimizing the number of transport resources and maximizing the use of devices needed to operate the storage process play an important role in effective implementation of logistics processes. At the same time, it is necessary to optimize the transport processes in terms of both time and costs. In the paper the possibility to meet these requirements on the example of a high-bay warehouse is verified, based on simulation of loading and unloading operations. Indicators intended to assess the quality of storage process are presented and used to determine the optimal number of transport resources required to operate the proposed warehouse. The results obtained during simulations are the basis for discussion on the influence of a number of transport resources on operating time of the analyzed warehouse.

 

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6. "DEVELOPING A TIMETABLE FOR RADIANT AND CIRCULAR TRANSPORT ORGANIZATION WITH IMPLEMENTATION OF THE TRANSPORTATION REQUIREMENTS PLANNING METHOD"
Marek Fertsch

This paper contains the results of preliminary research on the use of the Transportation Requirements Planning method to develop a timetable for radial and circular transport organization. It begins with a discussion on the method of Transportation Requirements Planning. Then the problem of developing a timetable in radial and circular transport is formulated. Successively results obtained by applying of the Transportation Requirements Planning method to develop the timetable under assumed conditions are presented. The summary and discussion of the perspectives for further research are the final part of the paper.

 

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7. "THE EFFICIENCY OF THE TASKS OF TRANSPORT SERVICES IN THE FMCG SECTOR"
Katarzyna Grzybowska, Bożena Zwolińska

Food sector is omnipresent in the modern world. It plays a major role in business, and is determined, above all, by lower prices and high quality. Products must be frequently provided in stores. Customers have great expectations in terms of the delivery and availability. Most important are short-term orders realisation and flexible services. The main aim of the paper is to consider two different distribution systems. The reason for this consideration is to identify which of the distribution systems is more effective.

 

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8. "USING DECISION TREES TO EVALUATE COURIER COMPANIES FROM THE PERSPECTIVE OF ONLINE RETAILERS"
Ewa Kulińska, Lilianna Wojtynek, Małgorzata Dendera-Gruszka, Sandra Flauder

The analysis of the research problem started from listing the issues of decision theory and the decision-making process that support the process of building decision trees. The area in question covers a procedure for building and proceeding when creating decision trees. The solution to the research problem consists in defining decision variables and arranging them into logical statements by writing down all possible variants and only accounting for the true ones. True solutions derived from coding were detailed and the number of occurring decision trees was calculated in the case under consideration. The decision problem was presented in the form of decision trees, which made it possible to select the optimum decision tree. The obtained results were considered and the optimum decision tree was chosen. At the same time, the record of decision variables was analyzed, providing the answer as to which courier company will best meet expectations of entrepreneurs and ensure the most satisfying cooperation. That company turned out to be K-EX. The article aimed to select a courier company from the perspective of online retailers, with the selection having been made using the method of decision trees based on four basic criteria defined within the research.

 

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9. "EXPERIMENTAL RESEARCH STUDY OF THE IMPACT OF DISTRIBUTION CHANNELS OF PARTICULAR CATEGORIES OF SPARE PARTS ON THE VEHICLE REPAIR TIME"
Wojciech Lewicki

In today’s market reality, the information about the real time of the vehicle repair time has become an imperative of tremendous importance. In today’s market of repair services, both the service providers and customers care about the most precise determination of this time. Thus, in terms of increasing market availability to other categories of spare parts than those original ones, the process of properly defining the implementation of the repair service is becoming more and more important. The article focuses on the issue of the influence of the distribution channels of particular categories of spare parts on the vehicle repair time. Considerations are based on author’s simulations covering a comparative study of car repair periods depending on the applied category of spare parts. The purpose of the article is to answer the question, whether the applied category of spare parts in the process of the performed repair service affects the implementation of this service.

 

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10. "ORGANIZATION OF TRANSPORT AND STORAGE PROCESSES IN LOGISTICS ENTERPRISES FUNCTIONING IN THE ŁÓDŹ REGION – STUDY RESULTS"
Maciej Mindur, Joanna Hawlena, Paulina Osuch

In the paper, the consequences of the influence of globalisation on the market of air transport are assessed. It is shown that alliances and code-share agreements constitute fundamental elements of this process. Basic stimuli and their results were analysed and the outcome shows that the aim of global corporations is integrating companies, markets and economic systems into a homogeneous system encompassing the whole world. The aim of this paper is to present the significance of alliances and code-share agreements in the development of globalisation of air transport. Critical analysis of literature and deduction were used, which allowed to formulate appropriate conclusions and recommendations. Additionally, the method of assessment of complexity of relations between air transport and socio-economic phenomena was used. The identification of processes and sources of competitive stimuli along with barriers in functioning, and the development of both, the sector of air transport and the market as a whole were also taken into consideration. The analysis of activity of subjects forming the global market of air transport services under the conditions of growing competition was made.

 

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11. "PSYCHOLOGICAL FACTORS AFFECTING DRIVING AS AN IMPORTANT ELEMENT IN THE EXAMINING AND TRAINING OF PROFESSIONAL DRIVERS"
Ewa Odachowska

The article presents the psychological conditioning of working in the profession of a driver. Important features of the psychological tests described in the transport regulations and other aspects important for road safety are indicated. Being familiar with these conditions is necessary not only for transport psychologists but also for trainers, and drivers preparing themselves to work as professionals.

 

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12. "EXPERIMENTAL INNOVATIVE AIRCRAFT IN AIR TRANSPORT INDUSTRY – A COMPARATIVE ANALYSIS OF AIRBUS AND BOEING"
Renata Pisarek

The purpose of the paper is to examine product innovation which enables achieving higher fuel efficiency by its lower usage per unit, introduced by two leading competitors on the market of narrow- and wide-body aircraft, which are Airbus and Boeing. Technological, economical and environmental impact of product innovations are discussed. The method includes a mathematical formula to calculate fuel usage per Available Seat Kilometre (ASK). The average fuel consumption for chosen models of Airbus and Boeing as closest competitors is presented. The result of the study is to indicate the most competitive aircraft of Airbus and Boeing accordingly, which are more fuel efficient in average estimates and contribute to lower emissions, as externalities to natural environment. Indicated aircraft types can be recommended for airlines in context of economical efficiency in viewpoint of lower exploitation cost and effective fleet management.

 

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13. "STRUCTURAL ANALYSIS OF THE POMERANIAN METROPOLITAN RAILWAY TRANSPORT NETWORK"
Paweł Sobczak

Public transport is one of the most important elements in the development of the economy and the social space in which it is located. Therefore, it is very important for the area to properly organize and plan a smooth and fault-tolerant transport network that will facilitate transport in the area. The paper analyzes the structural - using graph theory - railway network of the Pomeranian Metropolitan Railway to assess its structure in terms of its organizational and functional application. This network is used, inter alia, to co-implement public transport within the Tri-City and Kashubia.

 

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14. "CHANGING DATA IN TACHOGRAPH’S RECORDING: A CASE STUDY"
Mateusz Sudowski, Beata Mrugalska

The purpose of this article is to show how important it is to respect the rules of road safety related to the work of drivers and what the consequences of breaking them are. The problem of the manipulation of working time is widely discussed as it contributes to creating dangerous situations not only for operators but for other road users as well. On the basis of the questionnaire investigation, the most popular methods of changing data in analogue and digital recording equipment are described. On the basis of them, technological and organizational changes are proposed in the existing transport system.

 

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