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Spis artykułów:

 

1. "RESEARCH ON IT TOOLS USED IN FLOW PLANNING IN SUPPLY CHAINS"
Michał Jakubiak

The processes of globalization and increased competitiveness resulted in the fact that companies have begun to look for solutions and strategies that give opportunities for development and further market expansion. The intensification of competition on the global scale in the 1980s, forced companies to offer low cost, high quality and robust products with greater design flexibility. Various management concepts have been used to improve production efficiency and speed up the cycle. In the 1990s, many manufacturers and service providers began to focus on improving collaboration with suppliers and improving purchasing and supply management. Initially the cooperation was mainly developed in the area of purchasing policies and supply management in factories, but as time went on, it became increasingly popular among wholesalers and retailers who also decided to integrate their transport and logistics functions in a supply chain with a view to gain competitive advantage (Choon T.). The increase in customer requirements with the same pressures to reduce costs and accelerate time service delivery resulted in the growing importance of planning and anticipation of future events. The increasing amount of data makes management depended on systems that allow for rapid decision-making. Apart from ERP systems, which mainly support the management of individual businesses, more and more companies invest in APS systems (Advanced Planning System), which provide better support in planning processes throughout the supply chain. The aim of the article is to present the idea of advanced supply chain planning, constraints and challenges facing the managing the flow of products and information. The study also addressed the role of Advanced Planning Systems in supply chain management and identify main problems and obstacles that users and decision makers come across while implementing and using IT systems

 

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2. "METROPOLIS LOGISTICS CHALLENGES IN THE FORMATION OF INTER-ORGANIZATIONAL RELATIONSHIPS"
Barbara Kos, Janusz Figura

Metropolis logistics is a new research issue that begins to play an important role in shaping inter-organizational relationships. The concept of logistics in metropolitan context is a contemporary term used primarily to identify issues that will improve the transformation of products and information in building inter-organizational efficiency. On the one hand, the issues of metropolitan logistics are based on shaping the flow of products and information in building inter-organizational efficiency. On the other hand, the formation of inter-organizational bonds has a complex and multidimensional structure that creates a specific network of interactions, in which metropolitan logistics determines their development in relation to the environment. The aim of the article is to identify the conditions that build up inter-organizational relations within the Silesian-Zagłębie (Ś-Z) metropolitan area. The article presents selected results of exploratory research carried out among logistic entities operating in the Silesian-Zagłębie metropolitan area. The authors attempted to answer the question: what are the challenges ahead of metropolitan logistics in shaping interorganizational relationships?.

 

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3. "THE APPLICATION OF THE CONCEPT OF SUPPLY CHAIN MANAGEMENT IN THE CONSTRUCTION INDUSTRY"
Paweł B. Michalski

The innovation and practicality of SCM solutions has been used in the construction industry relatively recently. Companies and construction companies have recognized the concept of supply chain management as a way to reduce costs, improve production quality, shorten project execution time and increase scheduling flexibility. Construction Supply Chain (CSC) refers to the whole project. The links in this chain are the suppliers and recipients of raw materials, materials, machines and equipment, people (workers), money and technical documentation, as well as many different information and intangible assets that are necessary for the execution of works and structures. Well planned and developed logistics concepts and logistics management solutions provide the opportunity for efficient project execution and cost reduction related to logistics as well as total project cost. An important element in increasing the efficiency of the project is the proper coordination of the logistics processes of all its stakeholders at every stage of the investment cycle. High risk of construction investment, mortgage crisis and high customer demand - this is the real estate market nowadays. Looking for solutions, on the one hand minimizing the costs of contractors, on the other hand it is important to maintain the high quality of the product. Can CSCM be the answer to the current state of affairs?

 

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4. "BASIC DETERMINANTS IN INTEGRATED SUPPLY CHAINS"
Maciej Mindur, Marcin Pawęska

An integrated supply chain is currently a decisive factor when it comes to remaining on increasingly demanding markets. Optimal organization of the supply chain is often a serious challenge for businesses that need to function in a more efficient way, and to provide products tailored to individual customers’ needs. The accuracy and precision at every stage are crucial, as well as shorter response time to changes in demand, customer tastes and economic conditions.

 

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5. "INTEGRATED MAINTENANCE-QUALITY STRATEGIES TAKING INTO ACCOUNT THE IMPACT OFF THE SYSTEM DEGRADATION ON THE QUALITY OF OUTPUT PRODUCTS"
Amal Gouiaa-Mtiba, Sofiene Dellagi, Zied Achour, Walid Erray

This paper deals with integrated models joining maintenance and quality. We consider a manufacturing system composed of a single machine subject to an increased random failure rate and producing conforming and non-conforming items. In order to decrease the random failure rate and its impact on the quality of output products, a bloc type preventive maintenance strategy with minimal repair is considered. Our study consists in developing integrated analytical models joining maintenance and quality in order to determine the optimal preventive maintenance plan taking into account the progressive quality perturbation and the economic impact of reworking activities. Two strategies are developed. In fact, for the first strategy, we propose reworking activities for all non-conforming products in order to improve their quality condition and to sell all batches at the best price Pmax. The aim of this strategy is to find the optimal number of batches produced and reworked N* before each preventive maintenance action, maximizing the total net profit per time unit PT1. For the second strategy, the same problem is studied but for a finite horizon. Two mathematical models are developed in order to find the optimal value of the decision variable N* for both strategies. Numerical examples are presented in order to illustrate the proposed models and a sensitivity study is developed to evaluate the influence of the variation of some parameters.

 

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6. "EFFECTIVE PROTECTION OF INFORMATION SYSTEMS AND NETWORKS AGAINST ATTACKS IN THE ERA OF GLOBALIZATION "
Katarzyna Witczyńska

In the era of globalization, more and more threats to the IT systems of many global companies will be observed. More and more attacks are effective and the losses caused by intrusions are systematically growing. The problem of ensuring the security of networks and computer systems is one of the most important issues of modern computer science. Today, more research is being done around the world to ensure the security of operating systems and applications.

 

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7. "DESIGNATION OF PAID PARKING ZONES IN ŁÓDŹ"
Marta Małgorzata Borowska-Stefańska, Szymon Adam Wiśniewski

This article has two aims: the cognitive one and the methodological one. The first one focuses on delineating city areas (of Łódź in this case), in relation to which a conscious parking policy should be implemented, including differentiation of the base parking fee and dynamics of parking cost increment in time. The methodological aim, in turn, consists in elaborating a research algorithm based exclusively on the geographical information system, which is based on generally available vector data, together with data obtained from intelligent transport systems. For their realization of the authors of this article elaborated their own methodology. It consists of five stages. The basic research unit is the surveying district. The area on the basis of which the research was made is the Łódź urban zone defined in the Strategy of Spatial Development for Łódź (2012). Each research stage corresponds to defining the power of impact of the variable which, as an research overview shows, affects the parking policy. Since the research is conducted on the basis different variables at individual stages and finally the coefficient assumes the form of five elements, it is necessary to standardize partial results. The article uses a procedure based on the quotient of the difference between the calculated value and the average for the whole group, divided by standard deviation. The results of the conducted research in the cognitive scope show that problems connected with parking organization do not concern only the very city centre (mostly the district of Śródmieście). Particular attention should be drawn to areas next to the city’s main transport arteries which go latitudinally (for instance, Piłsudski avenue) or meridionally (e.g. Kościuszki street, Zachodnia street).

 

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8. "MULTIMODAL FREIGHT TRANSPORT PLANNING: A TOOLBOX SUPPORTING PARTICIPANTS COLLABORATION "
Marzenna Cichosz

This paper aims to analyse the planning of chemical transports shift from road to the more complex multimodal freight transport, and presents a toolbox developed to support the participants in the process. In literature the research problem of multimodal freight transport planning is analysed mainly from mathematical models’ perspective. There is a lack of studies focused on multimodal transport chain collaboration and the tools supporting it. Within the framework of research conducted during the ChemMultimodal „Promotion of Multimodal Transport in Chemical Logistics” project, within INTERREG Central Europe Programme, the research team identified challenges related to modal shifts in the chemical industry, and next developed the toolbox addressing these challenges and supporting participants’ collaboration on multimodal chemical freight transport planning. The toolbox embraces: (1) consulting services, (2) planning guidelines, (3) the Intermodal Links platform, which suggests intermodal connections between two points, and (4) a CO2 calculator. Conclusions from the first pilot tests showed the necessity of a complex approach to the process of modal shift planning. Transport managers testing the toolbox the most appreciated the consulting services, which include a marketing platform integrating chemical producers and distributors, logistics companies, carriers, terminal operators, rail network operators and others. This platform is used to share information on current transport patterns, existing potentials, and possible actions to establish and promote modal shift.

 

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9. "CLASSIFICATION APPROACHES FOR MEZO-SYSTEMS: SPATIAL-BRANCH ASPECT"
Oksana Freidman

The role and types of mezo-economic systems are considered, their place in the classification of economic systems. Management of logistics systems as part of mezo-economic have their own peculiarities of formation and management. The effectiveness of managing logistic systems of associations of organizations depends on the form of their formation. The author proposes an extended classification of logistics systems created in the framework of mezo-economic ones, examples of identification of mezo-logistics systems in the economy at the sectoral and territorial levels are given, which allows further selection of management methods.

 

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10. "SELECTED ASPECTS OF THE TRAIN TIMETABLE CONSTRUCTION OF PASSENGER TRAINS WITH THE CONSIDERATION OF PLATFORM EDGES AND STABLING TRACKS ALLOCATION PROBLEM "
Piotr Gołębiowski

The aim of the article is to present a method concerning the problem of the construction of timetable from the point of view of the assignment of platform edges and stabling tracks. Taking into account these two issues in the method is extremely important from the point of view of the fluency of railway traffic, as well as minimizing railway undertaking costs related to access to the infrastructure offered by the manager in terms of occupying the platform edge above the set time. The paper describes the issues of allocating platform edges and stabling tracks in operating offices, with particular consideration of the costs related to this. The formulation of the problem of the train timetable construction was presented, including the allocation of edges and stabling tracks in a mathematical manner. In the model those parts were specified that are relevant to the research problem considered in the article. In addition, the algorithm of the construction method with the use of a block diagram was discussed.

 

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11. "THE USE OF THE QUEUEING THEORY FOR THE ANALYSIS OF TRANSPORT PROCESSES "
Marianna Jacyna, Jolanta Żak, Piotr Gołębiowski

This article focuses on the application of the queueing theory for the analysis of transport processes with regard to rail traffic. Selected aspects of queueing theory application for the analysis and rail traffic flow assessment are presented. A literature review regarding process modelling in rail transport using mass service theory models was performed. In order to study rail traffic flow, the application Java Modelling Tools- JSIM graph was used. The train movement process was analysed with regard to the traffic flow. The study was conducted on the basis of selected stretches of railway lines, numbers 2 (central long-distance in Warsaw) and 448 (central suburban in Warsaw).

 

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12. "THE CONCEPTUAL ALGORITHM OF THE INTERNATIONAL MULTIMODAL TRANSPORT (CAIMT)"
Ryszard Karol Miler, Andrzej Kuriata

The presented paper comes as a summary of a theoretical work presenting an original algorithm describing International Multimodal Transport (IMT) mechanisms and processes. Since containers appeared in early 1960s on the regional, and later on, on global scale in logistic operations, the IMT has become the fastest growing combination of an international through-transport. With use of various modes of transport IMT has significant influence on global trade development. Due to its characteristic the IMT process is exposed on the global unitization, standardization, safety, security and economization (optimization) challenges. Thus, there is a need for scientific approach in building a standardized conceptual model of IMT referred in this paper to CAIMT. CAIMT is an original, deterministic algorithm, presented in the block notation, identifying typical procedures as a logical continuation of the programmed sequence of the basic IMT operations. The suggested CAIMT has a potential in further standardization of IMT procedures and can be scientifically developed through the modeling of the IMT processes and safety/security procedures. In addition, in terms of empirical aspects, algorithmization of the main IMT processes can lead to their application in the various expert systems. Summing up, this method (CAIMT) comes as an optimal instrument that can be utilized in order to build further pillars for IMT development, standardization and optimization.

 

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13. "EVALUATION OF THE QUALITY OF THE FREE/BUSY CAR PARK INFORMATION ON THE BASIS OF CERTAINTY FACTOR OF HYPOTHESIS "
Marek Stawowy, Andrzej Szmigiel

The paper demonstrates an estimation method of the number of vacant parking spaces on the basis of video monitoring data. It provides a method for determining the quality of free/busy car park information using uncertainty modelling method based on certainty factor of hypothesis. The value of quality information IQ (CF) has been calculated with the help of a computer program. The simulation of results was performed depending on the input values change according to the normal distribution.

 

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14. "SWEDISH URBAN TRANSPORT MODEL POWERED BY BIOMETHANE "
Andrzej Żółtowski

In the recent years, the European Community has been implementing a plan to increase the share of renewable fuels used for energy production and powering vehicles. It aims to partially reduce the dependence on crude oil imports and reduce CO2 emission. Particularly interesting are the achievements of Sweden against this background, for which the European Commission has set the highest value of the indicator, and to implement which Sweden adopted unconventional solutions across Europe. One of them is the plan to eliminate by the 2030 fossil fuels from the urban transport, and one of the fuels that is to replace today still widely used diesel oil, would be biomethane. The article describes the reasons and circumstances which made Sweden use biomethane to power buses used in urban transport on a very large scale, in comparison with other European countries. The article shows the characteristics of this fuel, the method of its production and application prospects.

 

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