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A critical evaluation of risk on large scale logistics projectsXu, Dafeng 22 February 2020 (has links)
As an important basis in decision-making, risk assessment has been applied in many fields. However, most risk analyses of logistics projects are still at their infancy, wherein qualitative methods are applied. Performing further qualitative and quantitative analyses of the risk of logistics projects is meaningful. This thesis aims to thoroughly analyse the effects of risk factors on project objectives to illustrate the economic goals of investment and the possibility of realisation. Hence, it can promote scientific decision-making by investors, which is the main issue in this thesis.
Large-scale logistics projects are characterised by high risk, high investment, and high professionalism. This thesis applies risk assessment to logistics projects and divides the risk assessment of logistics projects into two levels. In the first level, various risk factors in the process of investment, construction and operation of the logistics projects are fully considered, and a set of risk comprehensive evaluation index system for the logistics projects is established. At this level, this thesis assigns light to each factor, judges the degree of risk of each factor in logistics projects and evaluates the risk degree of the logistics projects via fuzzy comprehensive measurement method (FCMM). It proposes a logistic alliance risk identification and analysis method based on the particle swarm optimisation (PSO) algorithm and penalty function method to address the limitation of existing methods, such as FCMM. This proposed method is called PSO–analytic hierarchy process (PSO–AHP). On the basis of the introduced index system and methods, this thesis uses Hanjin Shipping as a novel case to show how risk evaluation is performed. Results show that both methods can be used to predict the risk of Hanjin Shipping, and management risk is the main risk faced by Hanjin Shipping. This finding is consistent with the predicted results. The contents of this thesis provide meaningful results for actual application. Thus, the models and index system applied in this thesis (FCMM and PSO–AHP) can be used to perform risk measurement. In the second level, combined with the results of the overall risk assessment of the logistics projects, this thesis provides several suggestions on risk prevention for these kind of logistics projects. This thesis not only measures the risk of large-scale logistics projects but also provides several strategies to improve the management of logistics projects and reduce the probability of risk in the Chinese context. Moreover, this thesis generates suggestions for the development of Chinese large-scale logistics projects in South Africa.
The main contents of this thesis can be summarised as follows. The first chapter is the introduction. This chapter briefly introduces the background of large-scale logistics projects, explains the purpose and significance of the research and introduces the main research issues and innovations. It also briefly introduces the structure of this thesis. The second chapter comprises a review of previous studies. It mainly reviews and summarizes relevant literature on risk theory and logistics risk to provide a solid background analysis for the remaining part of this thesis. The third and the fourth chapters are about the methodologies and indicators used in this thesis. The third chapter summarises and introduces the main methods used in the risk assessment for the logistics projects. It focuses on the methods used in this thesis. The fourth chapter presents a systematic analysis of the various risks faced in the process of investment, construction and operation of logistics projects. It appropriately enumerates the main analysis of this thesis, namely, the various risks in large-scale logistics projects. An index system is also constructed in this chapter. The fifth and sixth chapters focus on the specific operation process of the models used in this thesis. These chapters focus on the data analysis according to the models proposed in previous chapters, and the results of quantitative analysis are mainly discussed. The seventh chapter is aimed at the risk prevention of large-scale logistics projects. The eighth chapter is the research summary and outlook, where it summarises the conclusions and shortcomings of this research, discusses the innovation of this thesis from the analysis and indicates further research directions.
The main contributions of this thesis are as follows. (1) On the basis of China’s Belt and Road strategy, this thesis pays special interest on the risk analysis of large-scale logistics projects. With the development of Chinese economics and special relationship with South Africa, cooperating in aspects where logistics projects play a great connecting role becomes increasingly important for these countries Thus, ensuring how the risk of China’s large-scale logistics projects is sufficiently low becomes increasingly important. The methods and results in this thesis can be applied to the large-scale logistics projects in China and South Africa. (2) Many studies on risk assessment issues obtain risk factors using Delphi method (Dalkey and Helmer, 1963; Fan, 2019; Dufour et al., 2017). This method usually suffers from the fact that the experts’ knowledge, ability and experience limit their personal judgement method, and the recognition result is influenced by the subjective factors of the experts. This thesis does not use AHP method on it own but focuses on the usage of work breakdown structure (WBS) method to determine the risk factors of logistics construction projects, which can provide a reasonable risk index system. As WBS can let people carefully build an index system from each aspect of the large-scale logistics projects. (3) This thesis generates a PSO method to PSO–AHP method and applies it in the risk assessment of large-scale logistics projects, in which Hanjin Shipping is taken as an example in a novel way. Many studies primarily use FCMM to perform the risk assessment. However, limited research focuses on the use of PSO–AHP methods on the risk assessment of large-scale logistics projects. This thesis not only uses FCMM to handle risk assessment but also uses PSO–AHP method and then selects the better method on the basis of certain criteria. By doing so, this thesis provides an excellent example for researchers to select between the two models for risk assessment. (4) This thesis not only measures the risk of large-scale logistics projects but also provides several strategies that can improve the management of logistics projects to reduce the chance of risk happening based on actual situations. It also generates suggestions for the development of Chinese large-scale logistics projects in South Africa. As the measurement of risk in terms of large-scale logistics projects is an instrument for people to prevent risk, each method should be used to guide the development in actual situations. Thus, this thesis provides several strategy suggestions that can reduce the risk of large-scale logistics projects in China and South Africa by combining the results obtained from models and actual situations in China and South Africa. / Thesis (PhD)--University of Pretoria, 2020. / Graduate School of Technology Management (GSTM) / PhD / Unrestricted
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Estudo dos agentes de risco ocupacional e seus prováveis agravos na saúde humana / Study of the occupational risk agents and their possible harm for human healthAlves, Alice dos Santos 15 September 2015 (has links)
O objetivo principal deste estudo foi identificar e avaliar os agentes de risco e seus prováveis agravos à saúde humana no ambiente de uma instalação radiativa do IPEN-CNEN/SP, o Centro de Radiofarmácia, CR. O processo de trabalho dos servidores do CR inclui singularidades não existentes no processo de outras categorias profissionais. Pode-se citar como exemplos relevantes: exposição aos riscos físicos (radiações ionizantes), químicos (substâncias químicas envolvidas nos processos), biológicos (objetos contaminados), ergonômicos (situações causadoras de estresse) e de acidentes (incêndios e explosões). Trata-se de um estudo de caráter exploratório e descritivo com abordagem quanti-qualitativa. A amostra foi constituída por 102 trabalhadores da instalação distribuídos em seis grupos de trabalho. A coleta de dados transcorreu no período de abril de 2013 a julho de 2014, realizada por meio da aplicação de um questionário, entrevistas e observações. O processo de avaliação envolveu três etapas: 1) caracterização básica e avaliação da exposição ocupacional; 2) avaliação quanti-qualitativa do risco; 3) análise e interpretação dos dados. A organização, avaliação, interpretação e julgamento dos dados e resultados obtidos foram realizados de acordo com a estratégia de avaliação da exposição ocupacional proposta pela American Industrial Hygiene Association (AIHA). A análise estatística incluiu teste paramétrico ANOVA, testes não paramétricos, entre outros. Em relação à exposição dos agentes de risco relacionados aos processos considerou-se que os oito grupos homogêneos de exposição recebem as exposições a uma gama específica de agentes. No ambiente laboral do CR foram identificados dezessete agentes de risco. O principal agente de risco físico observado na instalação foi as radiações ionizantes. Na análise final, não foi registrado agravos à saúde dos trabalhadores decorrentes dos agentes de risco identificados e relacionados aos processos realizados. A Equipe de Radioproteção do CR e a equipe de segurança física do IPEN atuam em concordância com os procedimentos operacionais estabelecidos e com as normas nacionais e quando necessário introduzem novos mecanismos para a mitigação do risco ocupacional visando o bem estar do trabalhador. / The aim of this study was to identify and to assess the risk agents and their possible harm to human health at the workplace of a radioactive facility of IPEN-CNEN/SP, the Radiopharmacy Center, CR. The work process of the CR includes peculiarities not present in the process of other professional categories. Relevant examples may be cited as: exposure to physical risks (ionizing radiation), chemical risks (reagents involved in the process), biological risks (contaminated objects), ergonomic risks (situations causing stress) and accident risks (fires and explosions). The study has exploratory and of descriptive nature with quantitative and qualitative approaches. The sample consisted of 102 workers distributed in six working groups. The data collection occurred from April 2013 to July 2014 that was carried out by applying a questionnaire, interviews and observations. The evaluation process involved three steps: 1) basic characterization and occupational exposure assessment; 2) quantitative and qualitative assessment of the risks; 3) analysis and interpretation of the data. The organization, evaluation, interpretation and judgment of the obtained data and results were performed in accordance with the evaluation strategy to occupational exposure proposed by the American Industrial Hygiene Association (AIHA). The statistical analysis included parametric ANOVA, non-parametric tests, among other. Regarding exposure to risk agents related to the process, it was considered that the eight homogeneous exposure groups receive the exposure to a specific range of agents. Seventeen risk agents were identified at the workplaces of the CR facility. The main physical risk agent observed among them was the ionizing radiation. In the final data analysis, no adverse health effects were registered to workers arising from risk agents identified and related to the performed process. The radiation protection staff of the CR facility and the physical security staff of IPEN act in accordance with the established operating procedures and national standards, and when necessary new mechanisms for mitigation of occupational risk are introduced aiming the well-being of the workers.
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Estudo dos agentes de risco ocupacional e seus prováveis agravos na saúde humana / Study of the occupational risk agents and their possible harm for human healthAlice dos Santos Alves 15 September 2015 (has links)
O objetivo principal deste estudo foi identificar e avaliar os agentes de risco e seus prováveis agravos à saúde humana no ambiente de uma instalação radiativa do IPEN-CNEN/SP, o Centro de Radiofarmácia, CR. O processo de trabalho dos servidores do CR inclui singularidades não existentes no processo de outras categorias profissionais. Pode-se citar como exemplos relevantes: exposição aos riscos físicos (radiações ionizantes), químicos (substâncias químicas envolvidas nos processos), biológicos (objetos contaminados), ergonômicos (situações causadoras de estresse) e de acidentes (incêndios e explosões). Trata-se de um estudo de caráter exploratório e descritivo com abordagem quanti-qualitativa. A amostra foi constituída por 102 trabalhadores da instalação distribuídos em seis grupos de trabalho. A coleta de dados transcorreu no período de abril de 2013 a julho de 2014, realizada por meio da aplicação de um questionário, entrevistas e observações. O processo de avaliação envolveu três etapas: 1) caracterização básica e avaliação da exposição ocupacional; 2) avaliação quanti-qualitativa do risco; 3) análise e interpretação dos dados. A organização, avaliação, interpretação e julgamento dos dados e resultados obtidos foram realizados de acordo com a estratégia de avaliação da exposição ocupacional proposta pela American Industrial Hygiene Association (AIHA). A análise estatística incluiu teste paramétrico ANOVA, testes não paramétricos, entre outros. Em relação à exposição dos agentes de risco relacionados aos processos considerou-se que os oito grupos homogêneos de exposição recebem as exposições a uma gama específica de agentes. No ambiente laboral do CR foram identificados dezessete agentes de risco. O principal agente de risco físico observado na instalação foi as radiações ionizantes. Na análise final, não foi registrado agravos à saúde dos trabalhadores decorrentes dos agentes de risco identificados e relacionados aos processos realizados. A Equipe de Radioproteção do CR e a equipe de segurança física do IPEN atuam em concordância com os procedimentos operacionais estabelecidos e com as normas nacionais e quando necessário introduzem novos mecanismos para a mitigação do risco ocupacional visando o bem estar do trabalhador. / The aim of this study was to identify and to assess the risk agents and their possible harm to human health at the workplace of a radioactive facility of IPEN-CNEN/SP, the Radiopharmacy Center, CR. The work process of the CR includes peculiarities not present in the process of other professional categories. Relevant examples may be cited as: exposure to physical risks (ionizing radiation), chemical risks (reagents involved in the process), biological risks (contaminated objects), ergonomic risks (situations causing stress) and accident risks (fires and explosions). The study has exploratory and of descriptive nature with quantitative and qualitative approaches. The sample consisted of 102 workers distributed in six working groups. The data collection occurred from April 2013 to July 2014 that was carried out by applying a questionnaire, interviews and observations. The evaluation process involved three steps: 1) basic characterization and occupational exposure assessment; 2) quantitative and qualitative assessment of the risks; 3) analysis and interpretation of the data. The organization, evaluation, interpretation and judgment of the obtained data and results were performed in accordance with the evaluation strategy to occupational exposure proposed by the American Industrial Hygiene Association (AIHA). The statistical analysis included parametric ANOVA, non-parametric tests, among other. Regarding exposure to risk agents related to the process, it was considered that the eight homogeneous exposure groups receive the exposure to a specific range of agents. Seventeen risk agents were identified at the workplaces of the CR facility. The main physical risk agent observed among them was the ionizing radiation. In the final data analysis, no adverse health effects were registered to workers arising from risk agents identified and related to the performed process. The radiation protection staff of the CR facility and the physical security staff of IPEN act in accordance with the established operating procedures and national standards, and when necessary new mechanisms for mitigation of occupational risk are introduced aiming the well-being of the workers.
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Ilgalaikio materialiojo turto audito rizika / The risk of a long – term tangible assets auditNaruševičiūtė, Lina 14 January 2009 (has links)
Audito rizikos įvertinimas yra vienas iš svarbiausių ilgalaikio materialiojo turto audito elementų. Audito rizika – tai rizika, kad audito metu nebus atskleisti melagingi duomenys finansinėse ataskaitose. Auditorius iki numatydamas testus ir procedūras, atlieka audito rizikos įvertinimą ir prognozuoja, kuriame ilgalaikio materialiojo turto apskaitos proceso etape gali būti daugiausia klaidų ir netikslumų. Nuo audito rizikos dydžio nustatymo priklauso audito apimtis, nuoseklumas, įrodymų rinkimas, procedūrų skaičius ir pobūdis. Didėjant auditoriaus atsakomybei prieš informacijos vartotojus, kartu didėja ir ilgalaikio materialiojo turto audito rizika. Todėl labai svarbu skirti pakankamai dėmesio ilgalaikio materialiojo turto audito rizikos įvertinimui. / Audit is attributed to these spheres of activity, for which inevitable risk is characteristic. Every auditor has to analyse himself the size of acceptable risk. Audit volume, consistency, gathering of the arguments, preparing of work documents, number and character of tests and procedures depends on the right accepted audit risk size. Audit risk evaluation is one of the most important elements of audit process. Investigating factors, having influence of audit, it is purposeful to distribute them according two the most important features: 1) according to dependency on auditor (dependent and independent on auditor) and 2) according to the types of audit risks (inherent, control and detection risk). It is important to investigate fixed factors in the early stages of audit.
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Individual and environmental risk factors for hand eczema in hospital workersNilsson, Eskil January 1986 (has links)
Individual and environmental risk factors in hand eczema have been investigated in a prospective cohort study of 2452 newly employed hospital workers with a follow-up time of 20 months. Current hand eczema was analyzed in 142 wet hospital workers from this cohort with respect to the etiologic importance of irritants, allergens and contact urticants. The density of the microflora and the effect on the microflora of topical treatment with a potent corticosteroid were studied in 20 patients with hand eczema. ’Wet’ hospital work was found to increase the odds of developing hand eczema only twice compared to 'dry' office work. Nursing children under four years old and the lack of a dish-washing machine significantly increased the risk of contracting hand eczema. Unfavourable combinations of these domestic factors increased the risk as much as wet work. A history of atopic dermatitis approximately tripled the odds both in wet as well as in dry work. Histories of earlier hand eczema (HHE), metal dermatitis (HMD) and of atopy were analyzed as risk factors for hand eczema in 1857 women in wet work. HHE increased the odds by a factor of 12.9 and created a subdivision of the population into high risk individuals and normal risk individuals. HHE was found in half of the subjects with atopic dermatitis, in one quarter of the subjects with atopic mucosal symptoms and in one fifth of the non-atopics. A HMD increased the odds by a factor of 1.8. This increase was seen as a high risk level in subjects with HHE and as a normal risk level in subjects with no HHE. A history of atopic disease as a complement to information about HHE and HMD increased the odds by another 1.3 times. The predicted probability of developing hand eczema ranged from 91 % in subjects with a combination of HHE, HMD and atopy to 24% in subjects with none of these risk factors. Subjects with AD were found to suffer a more severe form of hand eczema with significantly higher figures for medical consultation, sick- leave, termination due to hand eczema, early debut, permanent symtoms and vesicular lesions. Amongst the patients investigated for current hand eczema high risk individuals were overrepresented. It was claimed in 92.3% of the cases that trivial irritant factors had elicited the current episodes of hand eczema. In 35% of the cases the exposure to the irritant took place largely at home. Although contact sensitivity and contact urticaria were fairly common, they mostly seemed to be of minor importance in the etiology of the current hand eczema. Staphylococcus aureus colonized eczematous lesions of the hands in 18/20 patients. The density exceeded 105 colony forming units/cm2 in 15/20 patients. Only three of these patients showed signs of clinical infection. Successful topical treatment with a potent corticosteroid significantly reduced the colonization of S. aureus. / <p>Härtill 4 uppsatser</p> / digitalisering@umu
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Globální terorismus z pohledu konstruktivismu / Global terrorism from the perspective of constructivismFajmonová, Veronika January 2011 (has links)
The thesis is focused on the terrorism after the attacks of 09/11, which is a key factor in its considering as a one of the most serious security threats in the 21st century. The thesis deals with a perception of the terrorist threat, particularly if it corresponds with reality and what it is influenced by or constructed by. Further the thesis is concerned about "the war on terrorism" as a reaction on the attacks which has become an American national mantra. It is tried to find out if the reaction was adequate in relation with seriousness of the attacks, if it was effective in regard of fulfilling its aims and if it was legitimate in comparison with our values and moral principles.
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ProvoznÄ-ekonomick© posouzen instalace nov© turbny / Operational and Economical Assessment of New Turbine InstallationÄech, Jan January 2021 (has links)
This diploma thesis deals with the operational and economic assessment of the installation of new TG3 turbines in the Perov Heating Plant. The beginning of this thesis deals with a brief theoretical introduction of this investment and describes the classical economic evaluation methods and the Monte Carlo method. Subsequently, the investment project was analyzed and inputs for the economic model were created. The economic model was then evaluated using classical methods and Monte Carlo methods, the results are then compared with each other. Based on the results of the economic evaluation, the most efficient variant of the Perov Heating Plant technology was chosen.
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Návrh metodiky hodnocení rizika pro účely jeho zveřejňování v souladu s IFRS/IAS / Project of Methodology of a Risk Evaluation for the Risk Reporting Purposes in Accordance with IFRS/IASVymazalová, Anna January 2009 (has links)
The diploma thesis is focused on of its presentation in accordance with IFRS/IAS, respectively, for the fulfilling the requirements of IFRS 8 – Operational Segments. In this diploma thesis, the effects and advantages of financial statements transformation on IFRS/IAS are explained. Process of this transformation all its consequences are also elaborated here. For the conclusion, possible approaches to modelling of risk and to risk measurement are suggested here.
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Software Projects Risk Management Support Tool / Software Projects Risk Management Support ToolGabriš, Ondrej January 2011 (has links)
Management projektů a jejich rizik je v současnosti rozvíjející se disciplína, která si získává stále větší pozornost a uplatnění v praxi. Tato práce popisuje úvod do problematiky řízení rizik, zkoumání metod jejich identifikace, vyhodnocení a managementu, předcházení jejich následkům a jejich zvládání. V další části práce byla provedena analýza vzorků rizik z reálných projektů, byly popsány metody pro identifikaci a vyhodnocení následků rizik v úvodních fázích softwarového projektu, taktéž byly popsány atributy rizik a navržen způsob jejich dokumentace. V závěrečné části zadání byl navržen a implementován prototyp modelové aplikace pro podporu managementu rizik softwarových projektů.
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