Resilience Engineering
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Resilience Engineering
Resilience engineering is a subfield of safety science research that focuses on understanding how complex adaptive systems cope when encountering a surprise. The term ''resilience'' in this context refers to the capabilities that a system must possess in order to deal effectively with unanticipated events. Resilience engineering examines how systems build, sustain, degrade, and lose these capabilities. Resilience engineering researchers have studied multiple safety-critical domains, including aviation, anesthesia, fire safety, space mission control, military operations, power plants, air traffic control, rail engineering, health care, and emergency response to both natural and industrial disasters. Resilience engineering researchers have also studied the non-safety-critical domain of software operations. Whereas other approaches to safety (e.g., behavior-based safety, probabilistic risk assessment) focus on designing controls to prevent or mitigate specific known hazards (e.g., ...
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Safety Engineering
Safety engineering is an engineering discipline which assures that engineered systems provide acceptable levels of safety. It is strongly related to industrial engineering/systems engineering, and the subset system safety engineering. Safety engineering assures that a life-critical system behaves as needed, even when components fail. Analysis techniques Analysis techniques can be split into two categories: qualitative and quantitative methods. Both approaches share the goal of finding causal dependencies between a hazard on system level and failures of individual components. Qualitative approaches focus on the question "What must go wrong, such that a system hazard may occur?", while quantitative methods aim at providing estimations about probabilities, rates and/or severity of consequences. The complexity of the technical systems such as Improvements of Design and Materials, Planned Inspections, Fool-proof design, and Backup Redundancy decreases risk and increases the cost. T ...
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Engineering
Engineering is the use of scientific method, scientific principles to design and build machines, structures, and other items, including bridges, tunnels, roads, vehicles, and buildings. The discipline of engineering encompasses a broad range of more specialized List of engineering branches, fields of engineering, each with a more specific emphasis on particular areas of applied mathematics, applied science, and types of application. See glossary of engineering. The term ''engineering'' is derived from the Latin ''ingenium'', meaning "cleverness" and ''ingeniare'', meaning "to contrive, devise". Definition The American Engineers' Council for Professional Development (ECPD, the predecessor of Accreditation Board for Engineering and Technology, ABET) has defined "engineering" as: The creative application of scientific principles to design or develop structures, machines, apparatus, or manufacturing processes, or works utilizing them singly or in combination; or to construct o ...
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Richard Cook (safety Researcher)
Dr. Richard I. Cook (1953 – August 31, 2022) was a system safety researcher, physician, anesthesiologist, university professor, and software engineer. Cook did research in safety, incident analysis, cognitive systems engineering, and resilience engineering across a number of fields, including critical care medicine, aviation, air traffic control, space operations, semiconductor manufacturing, and software services. Biography Cook graduated Cum Laude from Lawrence University in 1975 from a customized program that included physics and urban planning. After completing his bachelor's degree, Cook took a position as a lead systems analysis at Control Data Corporation, working with finite element analysis programs such as ANSYS and NASTRAN on the CDC STAR-100, and managing teams of programmers and support analysts. In 1986, Cook received his MD degree from the University of Cincinnati where he was a General Surgery intern. In 1994, he completed his Anesthesiology residence at t ...
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Cosmology Episode
A cosmology episode is a sudden loss of meaning, followed eventually by a transformative pivot, which creates the conditions for revised meaning. In the wake of the 1962 Cuban Missile Crisis, the Vietnam War, the 1977 Tenerife airport disaster, the 1984 Bhopal chemical disaster, and the relatively sudden insertion of personal computers into the workplace, organizational scholar Karl E. Weick coined the term "cosmology episode," as follows, in 1985: "Representations of events normally hang together sensibly within the set of assumptions that give them life and constitute a ' cosmos' rather than its opposite, a ' chaos.' Sudden losses of meaning that can occur when an event is represented electronically in an incomplete, cryptic form are what I call a 'cosmology episode.' Representations in the electronic world can become chaotic for at least two reasons: The data in these representations are flawed, and the people who manage those flawed data have limited processing capacity. ...
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Selection Bias
Selection bias is the bias introduced by the selection of individuals, groups, or data for analysis in such a way that proper randomization is not achieved, thereby failing to ensure that the sample obtained is representative of the population intended to be analyzed. It is sometimes referred to as the selection effect. The phrase "selection bias" most often refers to the distortion of a statistical analysis, resulting from the method of collecting samples. If the selection bias is not taken into account, then some conclusions of the study may be false. Types Sampling bias Sampling bias is systematic error due to a non-random sample of a population, causing some members of the population to be less likely to be included than others, resulting in a biased sample, defined as a statistical sample of a population (or non-human factors) in which all participants are not equally balanced or objectively represented. It is mostly classified as a subtype of selection bias, sometimes sp ...
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Resilience Engineering Association
Resilience, resilient, resiliency, or ''variation'', may refer to: Science Ecology * Ecological resilience, the capacity of an ecosystem to recover from perturbations ** Climate resilience, the ability of systems to recover from climate change ** Soil resilience, the ability of a soil to maintain a healthy state in response to destabilising influences Social sciences * Resilience in art, the property of artwork to remain relevant over changing times * Resilience (organizational), the ability of a system to withstand changes in its environment and still function * Psychological resilience, an individual's ability to adapt in the face of adverse conditions * Supply chain resilience, the capacity of a supply chain to persist, adapt, or transform in the face of change * Urban resilience, the adaptive capacities of complex urban systems to manage change, order and disorder over time * Community resilience, the adaptive capacities of communities and societies to manage change and ...
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Academic Conference
An academic conference or scientific conference (also congress, symposium, workshop, or meeting) is an event for researchers (not necessarily academics) to present and discuss their scholarly work. Together with academic or scientific journals and Preprint archives such as arXiv, conferences provide an important channel for exchange of information between researchers. Further benefits of participating in academic conferences include learning effects in terms of presentation skills and “academic habitus”, receiving feedback from peers for one’s own research, the possibility to engage in informal communication with peers about work opportunities and collaborations, and getting an overview of current research in one or more disciplines. Overview Conferences usually encompass various presentations. They tend to be short and concise, with a time span of about 10 to 30 minutes; presentations are usually followed by a . The work may be bundled in written form as academic pape ...
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Research
Research is "creativity, creative and systematic work undertaken to increase the stock of knowledge". It involves the collection, organization and analysis of evidence to increase understanding of a topic, characterized by a particular attentiveness to controlling sources of bias and error. These activities are characterized by accounting and controlling for biases. A research project may be an expansion on past work in the field. To test the validity of instruments, procedures, or experiments, research may replicate elements of prior projects or the project as a whole. The primary purposes of basic research (as opposed to applied research) are documentation, Discovery (observation), discovery, interpretation (philosophy), interpretation, and the research and development (R&D) of methods and systems for the advancement of human knowledge. Approaches to research depend on epistemology, epistemologies, which vary considerably both within and between humanities and sciences. ...
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Science
Science is a systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the universe. Science may be as old as the human species, and some of the earliest archeological evidence for scientific reasoning is tens of thousands of years old. The earliest written records in the history of science come from Ancient Egypt and Mesopotamia in around 3000 to 1200 BCE. Their contributions to mathematics, astronomy, and medicine entered and shaped Greek natural philosophy of classical antiquity, whereby formal attempts were made to provide explanations of events in the physical world based on natural causes. After the fall of the Western Roman Empire, knowledge of Greek conceptions of the world deteriorated in Western Europe during the early centuries (400 to 1000 CE) of the Middle Ages, but was preserved in the Muslim world during the Islamic Golden Age and later by the efforts of Byzantine Greek scholars who brought Greek ...
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Söderköping
Söderköping is a locality and the seat of Söderköping Municipality, Östergötland County, Sweden with 6,992 inhabitants in 2010. Söderköping is, despite its small population, for historical reasons normally still referred to as a ''town''. Statistics Sweden, however, only counts localities with more than 10,000 inhabitants as cities. Söderköping is about 15 km southeast of the city of Norrköping. History Sigismund III Vasa became king of both Sweden and the Polish–Lithuanian Commonwealth in a personal union upon his election to the Swedish throne in 1592 amidst much controversy and religious strife. The protestant reformation and Catholic counter reformation were in full swing and at odds everywhere in Europe in the day. Subsequently, in 1593, he signed an agreement to guarantee religious freedom to the Protestant majority of Sweden and to pacify the Protestant concerns overall by all sects and the religion-generated unrest in the country settled down for a ti ...
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Failure
Failure is the state or condition of not meeting a desirable or intended objective (goal), objective, and may be viewed as the opposite of Success (concept), success. The criteria for failure depends on context, and may be relative to a particular observer or belief system. One person might consider a failure what another person considers a success, particularly in cases of direct competition or a Zero sum, zero-sum game. Similarly, the degree of success or failure in a situation may be differently viewed by distinct observers or participants, such that a situation that one considers to be a failure, another might consider to be a success, a qualified success or a neutral situation. It may also be difficult or impossible to ascertain whether a situation meets criteria for failure or success due to ambiguous or ill-defined definition of those criteria. Finding useful and effective criteria, or heuristics, to judge the success or failure of a situation may itself be a significan ...
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Trade-off
A trade-off (or tradeoff) is a situational decision that involves diminishing or losing one quality, quantity, or property of a set or design in return for gains in other aspects. In simple terms, a tradeoff is where one thing increases, and another must decrease. Tradeoffs stem from limitations of many origins, including simple physics – for instance, only a certain volume of objects can fit into a given space, so a full container must remove some items in order to accept any more, and vessels can carry a few large items or multiple small items. Tradeoffs also commonly refer to different configurations of a single item, such as the tuning of strings on a guitar to enable different notes to be played, as well as an allocation of time and attention towards different tasks. The concept of a tradeoff suggests a tactical or strategic choice made with full comprehension of the advantages and disadvantages of each setup. An economic example is the decision to invest in stocks, which a ...
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