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Safety critical systems can suffer severe and even fatal consequences due to aberrant behavior of human operators. Human operators are unique in their decision making capability, judgment and nondeterminism. There is a need for analyzing the interactions among computer systems and human operators where the operators are allowed to deviate from their prescribed behaviors for executing a task. In this...
The advantage of virtual maintenance technology makes it achievable to analyze the characters and elements about maintenance safety before equipment manufacturing. After relating maintenance safety with ergonomics analysis, a credible maintenance safety assessment could be carried out and corresponding suggestion on maintenance safety design will be given. Furthermore, detailed information will be...
During any extreme event, especially the evacuation in crowded places. The keys to saving lives are orderly and efficient evacuations. We have improved the traditional particle swarm optimization. It can simulate non-adaptive crowd behavior in the crowd facilities during the emergency evacuation. We introduce the concept of the leader (trained staff) and the parameter of influence, and analyzed the...
The object of this study is to investigate the human evacuation behavior and smoke behavior of a fire in an underground emporium. A practical survey about the occupants characteristics of number, age and gender was carried out. Then, different fire locations and occupants load in the fourth fire protection zone of the underground emporium were conducted numerically by using a CFD model FDS+Evac. And...
In order to improve the reliability of chemical equipments operation, the simulation research on the reliability of the operators is needed. Basing on the research platform of Dalian Chemical Industry Group Corporation (The Group), taking the reliability model of Human Cognition Reliability (HCR) as guide, in allusion to the 17 abnormal events which affect the running safety, the allowable operation...
Accident model,i.e. accident-causing theory, that is a main component of Principium of Safety, is an important part of accident theory. It avoids concrete characteristic of hazard source and content and mode of accident temporarily. Instead, abstractly thinking of person, machine, goods and environment in system, revealed accident causes, processes and results in nature.After many researches, it appears...
As the major factor to driving safety, human error is induced both by inner factors and external environment factors. But until now, the systematical method for predicting driver's behavior failure has not been put forward yet. Therefore, based on the contextual control model used in CREAM, the effects of the driving environment to the driver's behavior are emphasized, and the characters in driving...
Nuclear power plants (NPP) are complex socio-technological systems where safety is the supreme concern for all activities. While studies of past accidents reveal that technical, human and organizational factors are major contributors to violation of safety, a generically accepted paradigm for safety assessment is still unknown. Meanwhile, reporting safety-relevant event occurred in NPP operations...
Despite the modernization and automation in marine technology and the implementation of safety-related regulations, marine accidents are still a main concern for global maritime transportation. It is well known that human error is the key contributor, but human error data is hard to be collected and classified and the factors which influence human behavior should be identified. For this reason, the...
The maintenance works of products are so heavy that they have to be considered as one of the most important work in the designing phase of products. This paper classifies the human factors requirement in the repair processes of products. The evaluation methods and the requirements of the human factors in maintainability design are studied. This paper details those factors to make them could be assessed...
Strategic and tactical risk management (STRM) is a risk management tool providing users with a framework to assess, monitor and manage the safety of their systems in the short and long term basis. It consists of 2 levels of analyses: the tactical safety assessment (TSA) and the strategic safety assessment (SSA). The tactical level analysis serves to provide a quantitative assessment of the safety...
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