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Síntese de doutrina de segurança para projeto e operação de submarinos nucleares. ; Synthesis of safety doctrine for nuclear submarine design and operation.

Guimarães, Leonam dos Santos
Fonte: Biblioteca Digitais de Teses e Dissertações da USP Publicador: Biblioteca Digitais de Teses e Dissertações da USP
Tipo: Tese de Doutorado Formato: application/pdf
Publicado em 18/08/1999 PT
Relevância na Pesquisa
36.51%
Considerando tanto os aspectos nucleares quanto os navais, esta tese propõe-se a organizar e sistematizar uma Doutrina de Segurança Global aplicável a futuros Submarinos Nucleares de Ataque (SNA) nacionais. Esta doutrina tem a forma de um conjunto de princípios básicos, critérios gerais, requisitos específicos e procedimentos de verificação do projeto e de inspeção da construção e operação, que garantam um alto padrão de segurança a esta classe de navio de guerra. Com ela, pretende-se constituir uma base consistente e coerente sobre a qual a Autoridade de Segurança Nuclear, considerando os Objetivos de Segurança propostos, possa avaliar a aceitabilidade dos riscos associados ao Ciclo de Vida do SNA, tomando assim suas competentes decisões quanto ao licenciamento do submarino. Entendendo-se segurança como percepção social de riscos, são discutidos o detalhamento, as interpretações, as derivações e as aplicações tecnológicas deste conceito básico em três contextos específicos: a disciplina de Segurança de Funcionamento de Sistemas Industriais (Reliability-Availability-Maintanabilit-Safety), de aplicação geral; a Segurança de Instalações Nucleares “Estacionárias”, em especial de reatores de potência eletronucleares; a Segurança Naval...

Cultura de segurança: estudo exploratório em organização com sistema OHSAS de gestão da saúde e segurança do trabalho; Safety culture: an exploratory study in an organization with the OHSAS occupational health and safety management system

Richers, Rosane Schmalz
Fonte: Biblioteca Digitais de Teses e Dissertações da USP Publicador: Biblioteca Digitais de Teses e Dissertações da USP
Tipo: Tese de Doutorado Formato: application/pdf
Publicado em 01/09/2009 PT
Relevância na Pesquisa
36.48%
Este trabalho diz respeito a organizações de alto risco de acidente, que, apesar de terem sistema de gestão de saúde e segurança do trabalho (SGSST) implementado, continuam a ter acidentes. Pesquisadores do problema particularmente do setor nuclear concluíram que as origens dos acidentes estão menos em falhas técnicas do que em falhas organizacionais e humanas, o que corresponde a fragilidades na cultura de segurança da organização. O trabalho procura estudar essa cultura de segurança, definida como conjunto de características da organização que estabelece que sua prioridade máxima são as questões relacionadas com a segurança, acima da produção. O estudo desse conjunto de características de grande complexidade e diversidade de temas de que é composto, como valores e crenças, comportamentos e atitudes, normas e procedimentos é difícil de ser operacionalizado metodologicamente. Mostra-se, aqui, a possibilidade de estudar a cultura de segurança de uma organização pela auto-avaliação de comportamentos de seus empregados, agrupando esses comportamentos em fatores organizacionais considerados indicativos da cultura de segurança (compromisso da alta administração com segurança, sua melhoria contínua...

A cultura de segurança do paciente na percepção de profissionais de enfermagem de um hospital de ensino; The patient safety culture in perception of nursing professional from a teaching hospital

Batalha, Edenise Maria Santos da Silva
Fonte: Biblioteca Digitais de Teses e Dissertações da USP Publicador: Biblioteca Digitais de Teses e Dissertações da USP
Tipo: Dissertação de Mestrado Formato: application/pdf
Publicado em 03/12/2012 PT
Relevância na Pesquisa
36.47%
Trata-se de um estudo quantitativo descritivo-exploratório, cujos objetivos foram avaliar a percepção de profissionais de enfermagem de um hospital de ensino acerca das dimensões de cultura de segurança do paciente e identificar os fatores intervenientes que influenciam na segurança do paciente. A pesquisa foi desenvolvida em um hospital de ensino no Município de São Paulo e a população foi constituída por 305 profissionais de enfermagem. A pesquisa foi aprovada nos Comitês de Ética da EEUSP e da instituição - cenário do estudo. Os dados foram coletados no período de fevereiro a junho de 2012, por meio do questionário da Agency for Health Research and Quality, intitulado Hospital Survey on Patient Safety Culture. O referido instrumento incorpora dez dimensões de segurança do paciente, duas variáveis de resultados, o grau de segurança do paciente e o número de eventos adversos (EA) relatados. A análise dos dados ocorreu por meio de estatísticas descritivas e analíticas. O instrumento de coleta de dados mostrou-se confiável (Alpha de Cronbach total de 0,90). Na caracterização dos participantes 18,9% eram enfermeiros, 26,6% técnicos e 54,5% auxiliares de enfermagem e a maioria estava na faixa etária de 26-40 anos. Nas dimensões avaliadas salientamos que no Trabalho em equipe no âmbito das unidades 72...

Cultura organizacional para segurança do paciente em terapia intensiva: comparação de dois instrumentos Hospital Survey on Patient Safety Culture (HSOPSC) e Safety Attitudes Questionnaire (SAQ); Patient Safety Culture in intensive care: comparison of two instruments Hospital Survey on Patient Safety Culture (HSOPSC) and Safety Attitudes Questionnaire (SAQ).

Santiago, Thaiana Helena Roma
Fonte: Biblioteca Digitais de Teses e Dissertações da USP Publicador: Biblioteca Digitais de Teses e Dissertações da USP
Tipo: Dissertação de Mestrado Formato: application/pdf
Publicado em 03/12/2014 PT
Relevância na Pesquisa
36.49%
Introdução: A segurança do paciente tornou-se uma preocupação formal em diversos sistemas de saúde no mundo nas últimas décadas. Em 2004 a Organização Mundial da Saúde (OMS) propõe a Aliança para segurança do paciente e aponta a avaliação da cultura de segurança nas instituições de saúde como um dos aspectos chave para esse processo. Método: pesquisa transversal de abordagem quantitativa, realizada em um hospital de ensino no interior do estado de são Paulo entre os meses de março e abril de 2014. A população de estudo foi composta por todos os profissionais que faziam parte da escala de trabalho das unidades de terapia intensiva (UTI) adulto, pediátrica e neonatal e não se enquadravam no critério de exclusão (menos de 6 meses na unidade). Foram aplicados dois instrumentos para avaliação da cultura e clima de segurança do paciente, o Hospital Survey on Patient Safety (HSOPSC) e o Safety Attitudes Questionnaire (SAQ), e um instrumento para levantamento das informações sociodemográficas e profissionais. Para a análise de dados utilizou-se o teste de confiabilidade das escalas pelo Alfa de Cronbach. Foi verificada a presença de associações das escalas com variáveis de estudo pelo qui-quadrado de Pearson ou teste exato de Fischer nas variáveis qualitativas...

Implementing the 2009 Institute of Medicine recommendations on resident physician work hours, supervision, and safety

Blum, Alexander B; Shea, Sandra; Czeisler, Charles Andrew; Landrigan, Christopher Paul; Leape, Lucian L.
Fonte: Dove Medical Press Publicador: Dove Medical Press
Tipo: Artigo de Revista Científica
EN_US
Relevância na Pesquisa
36.51%
Long working hours and sleep deprivation have been a facet of physician training in the US since the advent of the modern residency system. However, the scientific evidence linking fatigue with deficits in human performance, accidents and errors in industries from aeronautics to medicine, nuclear power, and transportation has mounted over the last 40 years. This evidence has also spawned regulations to help ensure public safety across safety-sensitive industries, with the notable exception of medicine. In late 2007, at the behest of the US Congress, the Institute of Medicine embarked on a year-long examination of the scientific evidence linking resident physician sleep deprivation with clinical performance deficits and medical errors. The Institute of Medicine’s report, entitled “Resident duty hours: Enhancing sleep, supervision and safety”, published in January 2009, recommended new limits on resident physician work hours and workload, increased supervision, a heightened focus on resident physician safety, training in structured handovers and quality improvement, more rigorous external oversight of work hours and other aspects of residency training, and the identification of expanded funding sources necessary to implement the recommended reforms successfully and protect the public and resident physicians themselves from preventable harm. Given that resident physicians comprise almost a quarter of all physicians who work in hospitals...

Regulatory Frameworks for Dam Safety : A Comparative Study

Bradlow, Daniel D.; Palmieri, Alessandro; Salman, Salman M. A.
Fonte: Washington, DC: World Bank Publicador: Washington, DC: World Bank
EN_US
Relevância na Pesquisa
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This study is a comparative assessment of the regulatory frameworks applicable to dam safety in 22 countries. It is divided into three parts. The first part is a description of the dam safety regulatory framework in each of the 22 countries. The countries were selected based on the availability of information about their dam safety regulatory frameworks. The second part of the study is a comparative analysis of these regulatory frameworks. The analysis attempts to highlight the main similarities and differences in the approaches adopted by the countries discussed in the first part of the study. The third part offers recommendations on what a regulatory framework for dam safety should contain. It lists essential elemetns that should be included in all dam safety regulatory frameworks, as well as elemetns that would be desirable to include in such regulatory frameworks. This part also identifies and discusses a number of emerging trends in dam safety. In tis connection, this part of the study can be seen as providing a tool kit that can be used in formulating a regulatory framework for dam safety. This study has seven appendices. Appendix iv contains a dam safety statute; appendix V is a dam safety regulation; and appendix vi is a sample operations...

Achieving Zero Accidents – A Strategic Framework for Continuous Safety Improvement in the Construction Industry

Farooqui, Rizwan U
Fonte: FIU Digital Commons Publicador: FIU Digital Commons
Tipo: Artigo de Revista Científica Formato: application/pdf
Relevância na Pesquisa
36.5%
In the U.S., construction accidents remain a significant economic and social problem. Despite recent improvement, the Construction industry, generally, has lagged behind other industries in implementing safety as a total management process for achieving zero accidents and developing a high-performance safety culture. One aspect of this total approach to safety that has frustrated the construction industry the most has been “measurement”, which involves identifying and quantifying the factors that critically influence safe work behaviors. The basic problem attributed is the difficulty in assessing what to measure and how to measure it – particularly the intangible aspects of safety. Without measurement, the notion of continuous improvement is hard to follow. This research was undertaken to develop a strategic framework for the measurement and continuous improvement of total safety in order to achieve and sustain the goal of zero accidents, while improving the quality, productivity and the competitiveness of the construction industry as it moves forward. The research based itself on an integral model of total safety that allowed decomposition of safety into interior and exterior characteristics using a multiattribute analysis technique. Statistical relationships between total safety dimensions and safety performance (measured by safe work behavior) were revealed through a series of latent variables (factors) that describe the total safety environment of a construction organization. A structural equation model (SEM) was estimated for the latent variables to quantify relationships among them and between these total safety determinants and safety performance of a construction organization. The developed SEM constituted a strategic framework for identifying...

Personnel Selection, Safety Performance, and Job Performance: Are Safe Workers Better Workers?

Drew, Erica N
Fonte: FIU Digital Commons Publicador: FIU Digital Commons
Tipo: Artigo de Revista Científica Formato: application/pdf
Relevância na Pesquisa
36.5%
The present dissertation consists of two studies that combine personnel selection, safety performance, and job performance literatures to answer an important question: are safe workers better workers? Study 1 tested a predictive model of safety performance to examine personality characteristics (conscientiousness and agreeableness), and two novel behavioral constructs (safety orientation and safety judgment) as predictors of safety performance in a sample of forklift loaders/operators (N = 307). Analyses centered on investigating safety orientation as a proximal predictor and determinant of safety performance. Study 2 replicated Study 1 and explored the relationship between safety performance and job performance by testing an integrative model in a sample of machine operators and construction crewmembers (N = 323). Both Study 1 and Study 2 found conscientiousness, agreeableness, and safety orientation to be good predictors of safety performance. While both personality and safety orientation were positively related to safety performance, safety orientation proved to be a more proximal determinant of safety performance. Across studies, results surrounding safety judgment as a predictor of safety performance were inconclusive, suggesting possible issues with measurement of the construct. Study 2 found a strong relationship between safety performance and job performance. In addition...

Best practice rail safety regulation

Gunningham, Neil
Fonte: Universidade Nacional da Austrália Publicador: Universidade Nacional da Austrália
Tipo: Working/Technical Paper Formato: 350449 bytes; 367 bytes; application/pdf; application/octet-stream
EN_AU
Relevância na Pesquisa
36.49%
Regulating rail safety, and in particular, achieving regulatory best practice, is no easy task. The disaggregation and privatisation of the rail system, and the broader industry restructuring that took place in the 1990s have produced an industry that is structurally diverse, characterised by technological and corporate complexity and subject to competitive pressures as never before. Moreover, the multiplicity of different rail organisations that has emerged from this process – ranging from large, sophisticated commercial operators through to small heritage railways - has resulted in considerable variation in available resources, skills, experience and understanding, and in safety performance itself. There is much evidence to suggest that there are serious deficiencies both in the rail industry’s approach to safety and in the regulatory response to it, although the nature of these deficiencies varies considerably from State to State. In New South Wales, the Glenbrook and Waterfall accidents highlighted a series of major problems that (according to Hopkins analysis of the Glenbrook enquiry) include: a rule focussed culture [which] tended to deaden awareness of risks; the organisational and occupationally fragmentation of the railway system; a powerful culture of punctuality - of ‘on time running’ - whose side effect was to undermine safety; a railway culture that was profoundly risk blind...

Headform impact test performance of vehicles under the GTR on pedestrian safety

Searson, D.; Anderson, R.; Ponte, G.; van den Berg, A.
Fonte: Centre for Automotive Safety Research Publicador: Centre for Automotive Safety Research
Tipo: Relatório
Publicado em //2009 EN
Relevância na Pesquisa
46.22%
A Global Technical Regulation (GTR) on pedestrian safety is currently in its final draft stages, and may be adopted in Australia as an Australian Design Rule. Currently, selected new vehicles are tested by the Australasian New Car Assessment Program (ANCAP) for pedestrian protection; the GTR testing procedure is similar, but has different test conditions. The goal of this study was to estimate how many vehicles tested by ANCAP might be expected to pass the headform testing requirements of the GTR based on the vehicles ANCAP performance. Initially, three popular vehicles were tested to the specifications of the GTR. The resulting data was used to validate a theoretical relationship that predicts the change in Head Injury Criterion (HIC) for a given change in headform mass and impact speed. This relationship was used to predict the best-case and worst-case results for 60 vehicles previously tested by ANCAP, 33 of which are current models. The results indicate that a relatively small number of vehicles would be expected to unequivocally pass the GTR requirements, however many more may pass with little to no modifications.; DJ Searson, RWG Anderson, G Ponte and AL van den Berg

Heavy vehicle road safety: A scan of recent literature

Raftery, S.; Grigo, J.; Woolley, J.
Fonte: Australasian College of Road Safety Publicador: Australasian College of Road Safety
Tipo: Artigo de Revista Científica
Publicado em //2011 EN
Relevância na Pesquisa
46.35%
The number of registered heavy vehicles (HV) in Australia has risen by 22% since 2005 and, with the national freight task projected to double by 2030, the number of HVs on Australian roads will continue to increase. In the 12 months to the end of June 2010 crashes involving heavy vehicles resulted in 239 fatalities and around one third of all work-related road crash fatalities occur within the freight industry. Heavy vehicle safety for both the trucking industry and the general community remains an important issue. In recognition of this the Australian Trucking Association commissioned the Centre for Automotive Safety Research to undertake a research scan to develop a knowledge base that may be used to guide the strategic direction and development of effective outcomes in the area of heavy vehicle safety. The scan focussed on five key areas: factors associated with HV crashes, road and vehicle design, human and social factors, speed management and enforcement, and the effectiveness of accreditation schemes. Gaps in knowledge were identified and recommendations for future research in the areas of fatigue, seatbelt use, traffic management, and technology are suggested.; SJ Raftery, JAL Grigo and JE Woolley

Risky behaviours: preferable to crashes for evaluating road safety mass media campaigns?

Wundersitz, L.; Hutchinson, T.
Fonte: Australasian College of Road Safety; online Publicador: Australasian College of Road Safety; online
Tipo: Conference paper
Publicado em //2012 EN
Relevância na Pesquisa
46.35%
Decades of research have failed to establish whether or not mass media advertising can reduce road crashes. The probable reason is that the random variability in crash numbers is too great (and, campaigns being very cheap per person reached, even low effectiveness may be enough to be worthwhile). Three alternatives to before-after comparison of crashes as the method of determining effectiveness of an intervention are discussed. These are real-world experiments of high methodological quality, laboratory experiments of the social psychological type, and the measurement of safety-related behaviors. The third of these, before-after comparison of behaviors or variables that can be objectively observed and are closely linked to safety, is suggested as the most promising. However, the behaviors that might plausibly be used as proxies for crashes are quite few in number, and there is an urgent research need to find more of them, together with theory implying that a change in the behavior does indeed mean a change in safety.; http://acrs.org.au/events/acrs-past-conferences/2012-acrs-conference/program/papers/; L.N. Wundersitz and T.P. Hutchinson

The culture in safety culture: exploration of patient safety culture in Saudi Arabian operating theatres.

Algahtani, Fahad Dhafer
Fonte: Universidade de Adelaide Publicador: Universidade de Adelaide
Tipo: Tese de Doutorado
Publicado em //2015
Relevância na Pesquisa
36.49%
Surgical patients are highly susceptible to preventable harm in health systems that tolerate inadequate patient safety: the World Health Organization recognises that half of preventable adverse events happen in surgical care. Each year, seven million surgical patients are estimated to suffer serious complications from adverse events and up to one million die. Improving safety culture and non-technical skills can reduce adverse events and improve patient safety. This study explores safety culture in operating theatres in Saudi Arabia, where many employees work in an environment that is radically different from their own, in a language that they know imperfectly. It targets cultural differences and their relevance to safety culture dimensions, including teamwork, communication, job satisfaction, stress recognition, working conditions, and perceptions of management. The concept of safety culture is complex, and to achieve sufficient breadth and depth this study employs a sequential explanatory mixed methods design. All health care professionals working in operating theatres in the Saudi Arabian Ministry of Health hospitals in Riyadh City were surveyed using the internationally validated Safety Attitudes Questionnaire, administered in both English and Arabic. Items pertaining to local culture were added to assist in measuring cultural factors related to patient safety. Furthermore...

Colombia : Reforming the Social Safety Net; Colombia : reforma de la red de proteccion social

Rawlings, Laura B.
Fonte: World Bank, Washington, DC Publicador: World Bank, Washington, DC
Tipo: Publications & Research :: Brief; Publications & Research
ENGLISH
Relevância na Pesquisa
36.48%
Historically, Colombia's "safety nets" were economic growth and a now unsustainable expansion of social services, notably in health, education, and pensions. Social assistance (SA) was not included in the dramatic social sector reforms of the 1990s, implying that the social safety net did not benefit from increased spending, decentralization and the strategic prioritization afforded to other social sector areas. SA remains under-financed compared to national demands and international norms (Box 1). Furthermore, the SA programs that could have provided a safety net during the crisis were hampered by structural constraints, including poor poverty targeting in certain programs, institutional inflexibility, and unfocused mandates. The Government of Colombia asked the World Bank and Inter-American Development Bank (IDB) to help craft Colombia's social safety net was reviewed and a number of steps taken, including: (i) rapid crafting of a short-term emergency safety net investment program called the Social Support Network (Red de Apoyo Social...

China : Road Traffic Safety, the Achievements, the Challenges, and the Way Ahead

World Bank
Fonte: Washington, DC Publicador: Washington, DC
Tipo: Economic & Sector Work :: Other Infrastructure Study; Economic & Sector Work
ENGLISH; EN_US
Relevância na Pesquisa
36.54%
Road traffic injuries are a major but neglected global public health problem. Worldwide, the number of people killed in road traffic accidents each year is estimated at almost 1.2 million, while the number injured could be as high as 50 million. Without increased efforts and new initiatives, the total number of road traffic injuries and fatalities worldwide is forecast to rise by 65 percent between 2000 and 2020, while in low and middle-income countries, road traffic fatalities are expected to increase by as much as 80 percent over the same period. In 2002, road traffic injuries were the ninth leading cause of years lost worldwide, equal to 2.6 percent of the global burden of disease. On current trends, by 2020, road traffic injuries are likely to be the third leading cause of years lost. Part one of this reports presents the achievements of the Chinese Government in the last five years and the challenges it faces. Part two reviews the World Bank's experience with road safety in China over the last 20 years and summarizes the legacy of its efforts and the lessons learned. Finally...

The Decade of Action for Road Safety 2011-2020 : Lessons from Argentina

Raffo, Veronica; Bliss, Tony
Fonte: World Bank, Washington, DC Publicador: World Bank, Washington, DC
Tipo: Publications & Research :: Brief; Publications & Research
ENGLISH; EN_US
Relevância na Pesquisa
36.5%
The United Nations decade of action for road safety 2011-2020 sets an ambitious goal to stabilize and then reduce by half the predicted level of traffic fatalities in low and middle-income countries by 2020. This goal should save around 5 million lives, avoid 50 million serious injuries, and provide an economic benefit of more than US$3 trillion. Impacts on this scale will enhance country and regional development opportunities. In line with this goal, the Global Plan for the Decade of Action for Road Safety 2011-2020 identified five priorities: 1) road safety management capacity, 2) infrastructure safety, 3) vehicle safety, 4) road user behavior, and 5) post-crash care. This integrated development perspective is also reflected in the World Bank's new transport sector business strategy. The project's inclusive approach delivers road safety interventions in the demonstration corridors and elsewhere.

Guidelines for Mainstreaming Road Safety in Regional Trade Road Corridors

Breen, Jeanne; Humphreys, Richard Martin; Melibaeva, Sevara
Fonte: World Bank, Washington, DC Publicador: World Bank, Washington, DC
Tipo: Publications & Research :: Working Paper; Publications & Research
ENGLISH; EN_US
Relevância na Pesquisa
36.54%
The global crisis of road traffic injury is escalating in low-income and middle income countries to devastating effect; with road traffic crashes a leading cause of death. The World Health Organization (WHO) estimates that 1.24 million people were killed on the world's roads in 2010 and between 20-50 million more suffer non-fatal injuries from road traffic collisions each year. Among young people aged 15-44 years, road traffic crashes are the second leading cause of death after HIV/AIDS. The guidelines presented here are an important contribution to addressing the challenge of road safety management in regional trade corridors. Developed jointly by the Sub-Saharan Africa Transport Program (SSATP) and the World Bank, they are intended to serve as a guide for mainstreaming road safety in regional trade corridor investment programs in developing countries. The guidelines present a roadmap and set of tools with templates for terms of reference to assist in the identification, preparation and implementation of effective road safety projects in regional trade corridors...

Improving Global Road Safety : Towards Equitable and Sustainable Development, Guidelines for Country Road Safety Engagement

Bliss, Tony; Raffo, Veronica
Fonte: World Bank, Washington, DC Publicador: World Bank, Washington, DC
Tipo: Publications & Research :: Working Paper; Publications & Research
ENGLISH; EN_US
Relevância na Pesquisa
36.53%
The sheer scale of health losses from road crashes makes road safety a development priority for the health and transport sectors of low and middle-income countries (LMICs). Poorer population groups bear a disproportionate burden of these health losses which are generally influenced by socio-economic factors and other social and environmental determinants, and increasing emphasis is being placed on global health promotion and equity as a core, crosscutting development strategy. Country development aims to promote higher living standards for all, with an emphasis on improved health, education and people's ability to participate in the economy and society. Improving road safety in LMICs contributes to the achievement of these development goals by addressing the vulnerability of citizens to catastrophic death and injury arising from road crashes and requires large-scale investments in infrastructure, institutions, vehicle fleets and the health and wellbeing of individuals. World Bank road safety projects have usually been components of larger road infrastructure and urban transport investment operations...

China Road Safety Engagement Strategy : Interim Report

Bliss, Tony; Breen, Jeanne; Howard, Eric
Fonte: World Bank, Washington, DC Publicador: World Bank, Washington, DC
Tipo: Economic & Sector Work :: Policy Note; Economic & Sector Work
ENGLISH; EN_US
Relevância na Pesquisa
36.54%
The World Bank's road safety partnership with the Government of China (GOC) is maturing at a time when a deeper awareness of the negative development impacts of road crashes in low and middle-income countries coincides with the shift in road safety management policies and practices in leading high-income countries which are becoming focused on the elimination of road deaths and serious injuries, rather than accepting them as human failure and the inevitable price of economic progress. This shift in results focus is also aligned with other sustainable development initiatives addressing environmental, energy and public health goals, which present significant opportunities to capture the co-benefits of harmonized initiatives. For these reasons the World Bank and GOC agreed to review the situation in China and prepare a new road safety engagement strategy. The proposed strategy aims to facilitate an accelerated transfer of road safety knowledge and scaling up of investment at national, provincial and city levels to rapidly improve China's road safety performance...

Implementation of functional safety in a robotic manufacturing cell using iec 61508 standard and siemens technology

Kamtekar, Darshana M.
Fonte: Rochester Instituto de Tecnologia Publicador: Rochester Instituto de Tecnologia
Tipo: Tese de Doutorado
EN_US
Relevância na Pesquisa
36.51%
The past 50 years have seen a staggering amount of change in the technology and the business of process automation. The programmable logic controller (PLC) based control and monitoring system is a proven technology used to not only control processes but also to perform safety functions for processes in many industrial applications. There are many opportunities for improvements in any process or manufacturing system. One of the opportunities is achieving accurate safety function for measurement and process control to prevent human injury or death. The programmable electronic systems (PES) such as PLC systems are increasingly being used to perform safety functions as an integral part of the process or plant control system. A Robotic Manufacturing Cell is an example of a PES system and is used as an experimental setup for this work. The IEC 61508 standard defines various phases involved in the overall safety lifecycle for the PES system. This thesis study concentrates on such phases that include safety analysis methods, selection of an appropriate safety control system, implementation of safety as per the standard and safety validation. In this study four test cases are selected to perform safety analysis and implementation. It is verified how the conventional safety analysis method (FMEA) can be used to estimate the risk associated with each test case. As recommended by IEC 61508...