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1
Content available Application of the grey TOPSIS method to assess and select a contractor in terms of occupational safety management
Tabor Joanna
System Safety : Human - Technical Facility - Environment
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2023
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Vol. 5, iss. 1
93--102
EN
The objective of the article is to analyze the possibility of using the gray TOPSIS method to evaluate and select a contractor due to specific criteria regarding occupational health and safety management (OHSM). The choice of contractor is a problem for the decision-maker to make decisions based on many criteria, and most often, these criteria are very diverse, both quantitative and qualitative. The gray TOPSIS method is based on the use of a measure of the relative distance from the best solution, constituting the pattern, and from the worst solution, constituting the anti-pattern, to sort the solutions, using the Grey System Theory. To evaluate and select the contractor, 12 different criteria were used, describing the key areas of OHSM for the decision-maker. The criteria and their weights were selected taking into account the nature of the work planned to be carried out by the company ordering the work. Z-10 annual reports on working conditions in a given year submitted by enterprises to the Central Statistical Office, expert assessments and occupational health and safety procedures provided by five potential contractors were used as sources of information. The research confirmed that the use of gray numbers as part of the TOPSIS method allows the ranking of potential contractors from the point of view of selected criteria and the selection of the company that best meets the assumed occupational health and safety management criteria.
2
Content available Use of the grey incidence analysis in the inland waterway transport system assessment
Tabor Joanna
Zeszyty Naukowe Akademii Morskiej w Szczecinie
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2022
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nr 72 (144)
57--64
EN
Inland waterway transport (IWT) is currently in focus for EU countries due to a shift in policy towards a more sustainable and green economy. The aim of this article is to analyze the possibility of using a grey incidence analysis (GIA) to identify key factors related to the functioning of the IWT system. GIA is classified as a multi-criteria decision-making method and is one of the key applications of grey systems theory (GTS), i.e., systems with incomplete and uncertain information about structure and behavior. GIA identifies the most favorable (or quasi-preferred) system characteristics and the most favorable (or quasi-preferred) system factors. The identification of such characteristics and factors enables a reduction in the inconsistencies in decision making on the functioning of the system. The application of the GIA to the assessment of the IWT system is an original concept.
3
Content available Occupational hazards counteraction in industrial work environment - selected management problems
Tabor Joanna, Moraru Roland-Iosif
System Safety : Human - Technical Facility - Environment
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2022
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Vol. 4, nr 1
282-292
EN
The aim of the article is to present the basic strategies for counteracting threats that are used in an industrial work environment, with particular emphasis on strategies based on the concept of safety barriers. The article presents the main categories of safety barriers and the basic safety functions implemented within the key barrier systems. In addition, the most commonly used criteria for assessing safety barrier systems as well as safety functions are presented. The most characteristic examples in this regard are given. The analysis was carried out in terms of the implementation of barrier management towards reducing the risk of adverse events in the industrial work environment.
4
Content available Importance of accident analysis methods for improvement of OSH management
Tabor Joanna
System Safety : Human - Technical Facility - Environment
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2022
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Vol. 4, nr 1
269-281
EN
The aim of the work is to review the basic methods of accident analysis in terms of the possibility of using them to improve occupational safety management. Analyzing accident events is a very good way to obtain information on the practical functioning of OSH management. Although the analysis of accidents and near misses is included in the reactive activities, the changes that will be introduced as a result of this analysis are the most proactive. These irregularities can be related to all elements and aspects of the functioning of the organization from the technical, organizational, human, environmental and management side, and the accident analysis helps to identify them. The paper reviews and characterizes the basic methods of accident analysis, with particular emphasis on accidents at work. Moreover, the basic classification criteria and the main guidelines for the selection of these methods are presented in such a way that they can be effectively used to improve the OSH management system.
5
Content available Use of safety analysis in industrial maintenance management
Tabor Joanna
Quality Production Improvement - QPI
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2021
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Vol. 3, Iss. 1
162--172
EN
The maintenance system is one of the key systems in the industry, because it ensures the continuity of work and the safety of the production systems. The maintenance system includes a set of specific activities carried out by people in various environmental conditions, with the use of appropriate equipment and within a specific organizational and management structure. Activities carried out by maintenance workers are related to the occurrence of various types of physical, chemical, biological or psychosocial risks. These dangers can lead to accidents or occupational diseases. Therefore, the task of managers within maintenance systems is to provide people working in these systems with an appropriate level of safety through the use of properly selected preventive measures. The methods of safety analysis are related to the examination of various systems in order to identify and assess the risks in these systems and to prepare the safety characteristics of these systems, which allows for the correct adjustment of preventive measures to the identified needs. The purpose of this work is to present the basic methods of Safety Analysis in terms of their possible use in the area of industrial maintenance. As part of the work, the hazards at work in maintenance were characterized, the importance of safety analysis for the identification of hazards and accident prevention was discussed, and the key methods of safety analysis were presented in terms of their possible use to improve work safety in an industrial maintenance system. The presented considerations are original. The findings of the article will be very useful for management in implementing safe maintenance systems in industry.
6
Content available Improving occupational safety management with the use of human reliability analysis methods
Tabor Joanna
Quality Production Improvement - QPI
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2021
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Vol. 3, Iss. 1
120--131
EN
The aim of this work is to review the basic issues and problems related to the analysis of human reliability in terms of the possibility of using the methods functioning in this area to improve occupational safety management. Methods of human reliability analysis (HRA) are related to the prediction and assessment of system failures, which are the result of incorrect actions or omissions by a human, and not the failure of a physical element in the system. The paper presents the significance of the problem of human reliability from the point of view of accidents; describes HRA as a process with three main components; characterizes human errors using various criteria as well as discusses the generations of HR analysis and evaluation methods, including factors influencing the performance. The basic guidelines for the selection of methods for reliability analysis were also presented in terms of their possible use for improving the health and safety management system.
7
Content available Ranking of management factors for safe maintenance system based on Grey Systems Theory
Tabor Joanna
Production Engineering Archives
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2021
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Vol. 27, Iss. 3
196--202
EN
The maintenance system is a key system that provides continuity and safety of the operation of production systems and that affects the safety of people working in these systems. At the same time, the maintenance system is a set of work processes carried out by people under specific environmental conditions, using specific equipment and within a specific organizational and management structure. The purpose of this article is to identify the main management factors that affect occupational safety and to rank these factors in terms of their effectiveness in ensuring safe maintenance, using the grey systems theory. Based on the literature analysis, 12 key management factors were identified and then subjected to expert assessment. In order to rank the factors, a decision model based on the grey systems theory (GST), i.e. systems with incomplete and uncertain information about structure and behavior, was developed and verified. The use of GST in the area of ensuring safety in maintenance is original. The findings of the article will be very useful for managers in implementing safe maintenance systems in various sectors of the economy.
8
Content available Use of the Shannon Wiener index to measure LAG diversity, a major player in regional rural development
Pártlová Petra, Vachal Jan, Dobrovič Ján, Tabor Joanna
Polish Journal of Management Studies
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2020
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Vol. 22, No. 1
385--400
EN
The article presents a new scientific approach to the issue of entropy as a pro-growth and limiting factor in regional development and its practical elaboration. The research goal was to formulate a theoretical definition of entropy in regional development and to verify it in practice, i.e. to diagnose the entropy factor and to effectively analyze it with the possibility of its practical use. The use of the Shannon Wiener index for Local Action Groups in the South Bohemian region has provided valid results in the field of differentiation of territorial units, such as Local Action Groups (LAGs), regions and municipalities, as well as an appropriate basis for prediction of their further development. The research has also confirmed suitability of four main indication pillars (economic, infrastructure, social and environmental) while their indicators should be adjusted to the character of the tested territory. An appropriate approach seems to be application of the entropy index to a relatively closed unit where the elements mutually affect one another and have mutual relations and ties. Outputs from the solution can be seen as a description of the general status in the individual LAGs; moreover, outputs from the research have been examined by LAG managements and they have seen them as an important source of knowledge and have made some recommendations to strengthen their informative capacity. In conformity with the findings we can conclude that the achieved results should be seen as the first approximation of the solution of the concerned issue and they need to be further verified and completed.
PL
W artykule przedstawiono nowe naukowe podejście do zagadnienia entropii jako czynnika prorozwojowego i ograniczającego rozwój regionalny oraz jego praktyczne opracowanie. Celem badań było sformułowanie teoretycznej definicji entropii w rozwoju regionalnym i zweryfikowanie jej w praktyce, tj. Zdiagnozowanie czynnika entropii i efektywna analiza z możliwością jej praktycznego wykorzystania. Zastosowanie indeksu Shannona Wienera dla lokalnych grup działania w regionie południowoczeskim dostarczyło wiarygodnych wyników w zakresie zróżnicowania jednostek terytorialnych, takich jak lokalne grupy działania (LGD), regiony i gminy, a także odpowiednią podstawę do prognozowania ich dalszego rozwoju. Badania potwierdziły również przydatność czterech głównych filarów wskazań (ekonomiczny, infrastrukturalny, społeczny i środowiskowy), a ich wskaźniki powinny być dostosowane do charakteru badanego terenu. Wydaje się, że właściwym podejściem jest zastosowanie wskaźnika entropii do stosunkowo zamkniętej jednostki, w której elementy wzajemnie na siebie oddziałują i mają wzajemne relacje i więzi. Wyniki rozwiązania można postrzegać jako opis ogólnego stanu poszczególnych LGD; ponadto wyniki badań zostały przeanalizowane przez kierownictwo LGD i uznały je za ważne źródło wiedzy i sformułowały zalecenia w celu wzmocnienia ich zdolności informacyjnej. Zgodnie z ustaleniami można stwierdzić, że uzyskane wyniki należy traktować jako pierwsze przybliżenie rozwiązania rozpatrywanej kwestii i wymagają dalszej weryfikacji i uzupełnienia.
9
Content available Occupational hazards management using a grey-based decision-making approach
Tabor Joanna, Cioca Lucian-Ionel
System Safety : Human - Technical Facility - Environment
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2019
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Vol. 1, nr 1
1--9
EN
The objective of this paper is to present and verify the decision-making model which makes it possible to streamline the occupational hazards that tend to occur in the work environment, according to the adopted decision-making criteria. In this way, it will be possible to reduce inconsistencies of decision-makers deciding to focus their preventive measures upon the most important hazards, in the situation when the same assessments for hazards are obtained using classical matrix techniques. Within this model, a grey approach was proposed, which makes it possible for experts to use linguistic variables in such assessments. The following three risk assessment parameters were used as the criteria: probability of occurrence of hazards, level of their consequences, and a possibility to avoid them. The model was verified in a furniture manufacturing company on the basis of 17 key hazards assessment, which had been carried out by: an executive officer, a direct supervision employee, a work health and safety officer, and an expert coming from outside the company. This paper remedies some shortcomings in using the grey theory in occupational risk management, and constitutes an original application of this concept in the work safety area.
10
Content available Fuzzy TOPSIS in the assessment of OHS management system
Tabor Joanna
System Safety : Human - Technical Facility - Environment
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2019
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Vol. 1, nr 1
18--25
EN
Occupational health and safety (OHS) management is a cycle of decision-making processes, many of which are in fact multi-criterion processes in nature. Therefore, it is important to look for and develop tools to support decision-makers in their actions aimed at improving work safety levels. The objective of this paper is to propose and verify the fuzzy TOPSIS (Technique for Order Preference by Similarity to Ideal Solution) method applied to compare and assess the ways OHS management systems function in different companies. The fuzzy TOPSIS method has already been used for a number of years in assessments of alternative solutions in many different areas, but the application that uses ordered fuzzy numbers is quite original in nature. It is especially beneficial to use the fuzzy approach in OHS management systems, as it makes it possible for experts to assess different criteria using most frequently used linguistic variables. The adopted approach was verified in the study of OHS management systems in four furniture manufacturing companies. Assessment criteria were requirements of the PN-N 18001:2004 Standard. Thanks to the ordered fuzzy TOPSIS method, the analysed OHS management systems were streamlined from the point of view of 24 assessment criteria, and the best and the worst functioning system was identified. The approach presented here may constitute a significant tool for improving OHS management systems.
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