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PRZEPŁYWY INFORMACYJNE W STRATEGII CPFR

100%
Tubis A.
Logistics and Transport
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2006
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vol. 2
111-117
EN
Information flows are often of greater importance than material and financial flows. As a result the competitive advantage of a company is largely determined by the internal and external communication system. Efficient and timely information exchange are of particular importance for the management of integrated supply chains. However, this information flow may be a barrier for trade partners at the same time. In the light of modern logistic conceptions such as CPFR, where a thorougly prepared system of data exchange between partners is essential, the current challenge is the opening up of companies for the informational needs of their partners.
2
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The Potentials in the Integration of Planning Enterprise Activity

100%
Tubis A.
Logistics and Transport
|
2010
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vol. 10
105-112
EN
Planning, including planning in logistics, consists the primary function of management, as it is logically and chronologically first in the management process. The efficiency of the subsequent activities in the company depends on the proper realization of this stage. Therefore, finding possibilities of improving this part of management process, aimed at reducing the risk of undertaken planning decisions, creates an important issue in the research activity. One of the possible ways of improving planning process is to integrate it within internal company’s activity, as well as to include it to cooperation with partners. As a result, the aim of this article is to identify needs and opportunities of integration for selected planning levels in company’s work.
3
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Improvement of Vehicles Maintenance Management Process Performance Through the Implementation of Controlling

100%
Tubis A.
Logistics and Transport
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2015
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vol. 27
51-58
EN
The article raises an important issue concerning the reporting systems which are used in transport companies. Research conducted by the author focused on the reporting system which functions in maintenance service station of one of the largest road transport operators in Poland. The goal of this article is to analyse the current reporting system in force in the audited company and to develop a model solution, supporting the management of vehicles maintenance performance. Prepared model should incorporate the concept of controlling.
4
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Human Factor in Technical Systems and in Supply Chain

63%
Tubis A., Nowakowska M.
Logistics and Transport
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2016
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vol. 30
37-46
EN
In social studies, the human factor plays the dominant role and is the main topic of these studies. In the technical field the situation is somewhat different. The authors of this study have concentrated on the influence of the human component in reliable supply chains. A supply chain is treated as a complex technical-organizing system whose aim is to produce and supply a product that is readily available for use by the consumer. The aim of the article is to produce a critical analysis of the publications put forward a the ESReDA seminar, which was dedicated to the human component in technical systems as well as the referencing of publications with regards to the human component in supply chains.
5
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The Impact of Illegal Population Migration on the Risk Assessment of Freight Transport Carried Out by Polish Carriers

63%
Nowakowska M., Tubis A.
Logistics and Transport
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2018
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vol. 40
121-128
EN
Launched in 2010, the so-called ‘Arab Spring’ caused an increased migration of people from both the Middle East and Africa to Europe. In the face of such a large number of refugees, the European Union announced a migration crisis. This crisis has increased the risk factor of road transport along selected European routes. The aim of this publication is to present the impact of immigrant activities on the Calais - United Kingdom route section on the assessment of the risk of cargo transportation in international distribution. The risk assessment was carried out from the point of view of enterprises providing road transport services in international distribution. The research used direct interviews conducted with the managerial staff and drivers in selected road transport companies that handle transport on the route under investigation.
6
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Maintenance in a Passenger Transportation Company in Poland and in the Republic of South Africa

63%
Tubis A., Nowakowska M.
Logistics and Transport
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2018
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vol. 37
103-112
EN
The maintenance of devices is now a critical element in the functioning of manufacturing enterprises. The situation is similar in the transport industry. The technical condition of the vehicles is dependent upon operational procedures that affect the quality of services, comfort and the amount of incurred operating expenses. The aim of this paper is to compare the standards in vehicle service companies which deal with passenger transport in Poland and South Africa. In this study particular attention is paid to the influence of the human factor (passenger expectations, cultural conditions, required standards) in the implementation of this service. The authors based their research on available literature, newspaper articles, direct observation, surveys among Wroclaw’s inhabitants, and interviews with the residents of Johannesburg and the management staff of transport companies.
7
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The Research of the Quality of Passenger Transport Services on a Selected Regional Route

63%
Pawęska M., Tubis A.
Logistics and Transport
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2012
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vol. 15
91-98
EN
A shrinking market of regional passenger transport results in the fact that transport companies providing services on these routes are forced to fiercely compete with one another for their customers. As a result not only economic reasons become essential but the quality of services provided as well. Following an increased number of research on customers’ preferences a question arises: what kind of knowledge should the analysts possess while preparing information referring to the measurements carried out. The authors, using the example of a selected regional route prove that the conclusions referring to the quality of services provided should be complemented by a deepened analysis of objective factors connected with the characteristics of a selected route. Only then the managerial decisions which are made will be based on comprehensive market information.
8
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The Improvement of the Supply Process for the Variable Demand Goods

63%
Tubis A., Szozda N.
Logistics and Transport
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2010
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vol. 10
49-56
EN
As the customer-oriented policy appears to be the prevailing attitude nowadays, none of companies can afford to seek savings in the field of customer service. As a result, all supply-related processes remain in the spotlight. Until recently this area has been oftentimes neglected by Polish companies but at present it is perceived as the area which allows the capital to be released. The main issue discussed in the below article is the question of strategic sourcing and inventory management. The article aims at characterizing strategic sourcing problems the discussed company struggled with. It also presents the suggested model of stock control, which is being implemented at present.
9
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The algorithm of developing priorities in the supply chain

63%
Zwolińska B., Tubis A.
LogForum
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2020
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vol. 16
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issue 3
333-345
EN
Background: The presented research problem concerns the operational (executive) level and does not include tactical or strategic solutions. The described algorithm concerns the determination of the priority number of objects that are the equipment of any considered production system. The algorithm takes into account the states of work in the external and internal areas of the evaluated system. The analysed characteristics mainly include: values of work levels in the supply chain (to and from the enterprise) and values of system work levels within the company in the area of continuity of the processed material flow and failure levels of technological equipment. The algorithm of the object priority evaluation takes into account the existing synergy of a single element of the system with the whole system. Methods: The presented method of assessing priorities enables determination of critical elements of a complex system. The evaluation is carried out in a three-dimensional system. It takes into account machine failure, the operation of processes in the area of the analysed manufacturing system but also the levels of operation of supply systems (supply chains). The presented method of determining priorities requires adapting the assessment methodology to the individual characteristics of the test object. For this reason, the analysis includes, among others: the type of the system, its structural and functional complexity, complexity of interoperability and the size of material flow streams and their frequency. Results: The developed algorithm was verified on a selected example of a production system. Due to the complexity of the presented algorithm, the article presents results for a system that is characterized by a relatively high level of process flexibility and has a large number of technological processes. The article presents the values of indicators that were calculated for individual modules Conclusions: The presented algorithm is a general approach to the evaluation of the elementary objects of the system, while taking into account the existing synergy between the other elements of the entire system. In the next stages of the research, the authors will develop algorithms for various production systems (convergent and divergent), for different manufacturing specifications (objective and technological) and for different levels of process flexibility values.
PL
Wstęp: W pełni efektywne zarządzanie i organizacja dowolnego systemu produkcyjnego zakłada: zero zapasów w całym łańcuchu dostaw oraz zero postojów spowodowanych np.: oczekiwaniem na przetwarzany materiał bądź losowo występującymi awariami urządzeń wyposażenia technicznego. W wielu przedsiębiorstwach elementarne ograniczanie strat z grup: muri, mura i muda, przynosi doraźne efekty jedynie w usprawnianym obszarze. Należy pamiętać, że system wytwórczy zgodnie z teorią systemów złożonych jest organizacją, w której elementy składowe systemu występują względem siebie w ścisłej korelacji. Każdorazowa zmiana będąca obszarowym usprawnieniem systemu, determinuje również zmiany w innych (nie usprawnianych) obszarach. Stąd konieczne jest stosowanie wieloaspektowego ujęcia z jednoczesnym uwzględnieniem horyzontu czasowego i przestrzennego. Materiały i rezultaty: Przedstawiony w artykule problem badawczy skupia się na obszarze poziomu operacyjnego (wykonawczego) i nie dotyczy rozwiązań taktycznych ani strategicznych. Przedstawiony w artykule algorytm kształtowania liczby priorytetowej obiektów, będących wyposażeniem dowolnie rozważanego systemu produkcyjnego, uwzględnia stany pracy w obszarach zewnętrznym i wewnętrznym analizowanego układu. Mianowicie uwzględnione zostały: wartości poziomów pracy w łańcuchu dostaw (do i z przedsiębiorstwa) oraz wartości poziomów pracy układu wewnątrz przedsiębiorstwa w obszarze ciągłości przepływu przetwarzanego materiału oraz poziomów awaryjności urządzeń wyposażenia technologicznego. Zaprezentowany algorytm oceny priorytetów obiektów obejmuje kompleksowe ujęcie występującej synergii pojedynczego elementu systemu z całym układem (z uwzględnieniem wpływów czasu i miejsca). Opracowany algorytm poddano weryfikacji na wybranym przykładzie systemu produkcyjnego. Zaprezentowana metoda kształtowania priorytetów wymaga dostosowania metodyki oceny do indywidulanych cech rozważanego obiektu , przy każdorazowym jej zastosowaniu. Z tego też względu analiza uwzględnia między innymi: typ i rodzaj systemu, jego złożoności w obszarze strukturalnej, funkcjonalnej i złożoności współdziałania oraz wielkości strumieni przepływu materiałów i ich częstotliwość. Przedstawiona w artykule metoda oceny priorytetów, umożliwia wyznaczenie krytycznych elementów złożonego systemu. Ocena kształtowana jest w układzie trójwymiarowym z uwzględnieniem awarii maszyn, procesów realizacji w obszarze analizowanego systemu wytwórczego, ale również z uwzględnieniem poziomów pracy systemów zasilających (łańcuchów dostaw). Ze względów na złożoność przedstawionego algorytmu, w artykule zaprezentowano wyniki dla układu cechującego się względnie wysokim poziomem elastyczności procesowej oraz posiadającym względnie dużą liczbę procesów technologicznych. Ważnym parametrem analizowanego systemu jest wysoki poziom jakości realizacji procesów osiągając skumulowaną jakość dla wytworzonych produktów ponad cztery sigma w kryterium oceny zgodnym z metodą Six Sigma. Ponadto układ cechuje się względnie dużą zmiennością asortymentową materiałów wejściowych, co w rezultacie determinuje wielką liczbę łańcuchów dostaw na wejściu do systemu produkcyjnego. Ponadto specyfika rozpatrywanej branży jest układem wykazującym konkurencyjność wytwarzanych wyrobów finalnych stąd występuje wysoki poziom dostosowania produktów do oczekiwań klientów przekładający się na elastyczność przedsiębiorstwa. Wnioski: Opracowany algorytm uwzględnia rozważania ujęcia systemowego zgodnie z ogólną teorią systemów według Klira oraz Meserovicza. Zaprezentowany algorytm jest ogólnym ujęciem oceny elementarnych obiektów systemu z jednoczesnym uwzględnieniem występującej synergii między pozostałymi elementami całego układu. W kolejnych etapach badań zostaną opracowane algorytmy dla różnych układów produkcyjnych (konwergentnych i dywergentnych), o różnej specyfikacji wytwórczej (przedmiotowej i technologicznej) oraz wykazujących różne poziomy wartości elastyczności procesowej. Dla opracowanych algorytmów zostanie przeprowadzona walidacja i porównanie modeli dla danych empirycznych zgromadzonych w rzeczywistych obiektach wytwórczych.
10
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Supply Chain Vulnerability and Resilience – Case Study of Footwear Retail Distribution Network

51%
Tubis A., Nowakowski T., Werbińska-Wojciechowska S.
Logistics and Transport
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2017
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vol. 33
15-24
EN
The aim of this article is to present and investigate the main concepts of supply chain vulnerability and resilience. Thus, the fundamental differences between vulnerability and resilience definitions are discussed. The main issues on vulnerability and resilience assessment are investigated, and the case study of footwear retail supply chain disruption problems is analysed.
11
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Transportation Needs of Entrepreneurs in Wroclaw Agglomeration – Study Results

51%
Pawęska M., Tubis A., Zamiar Z.
Logistics and Transport
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2010
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vol. 11
3-8
EN
The article aims to present the results of research conducted by the International University of Logistics and Transport in Wroclaw on behalf of the Municipality of Wroclaw, concerning the demand for transportation among entrepreneurs in Wroclaw Agglomeration in the medium term (3 - 5 years). The essence of the study was to determine the volume of traffic generated by enterprises excluding intra-urban traffic and to provide additional information describing this movement in terms of dynamics and modes of transport used. The obtained results are compared to research conducted by J. Burnewicz (2007) regarding the projected demand for transport services in Poland until 2020.
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