نتایج جستجو برای: common cause failures
تعداد نتایج: 1046097 فیلتر نتایج به سال:
Background and aims: Accident investigation show that more than 90 percent of accidents cause by human errors. Human errors are also due to cognitive failures. Cognitive failures can be defined as cognitive-based errors on simple tasks that a person is normally able to complete without fault such mistakes include problems with memory, attention or action. The present study was designed to d...
This study presents an exploratory, historically-informed approach to assessing resilience for critical events that cause demand relocation within a water distribution system (WDS). Considering WDS as interdependent socio-technical system, is regarded factor can affect similarly the more commonly analyzed component failures such pipe leaks and pump failures. Critical are modeled during which co...
For s-dependent systems, reliability models capable of reflecting the effect of failure dependence, i.e. the so called “common cause failure” are in demand, since the system reliability depends not only on the reliabilities of the individual components but also on the interactions among the component failures. Based on the attribute of system failure, the meaning of order statistics, as well as...
It is well recognised that long-term planning and management of renewable energy resources is subject to severe uncertainty. For a large part, this uncertainty is due to the complex relationships between social, economic, and environmental systems, including availability, usage patterns, demographic evolution, global warming, just to mention a few. Traditionally, this uncertainty is encoded via...
Objective.\p=m-\To identify and evaluate the systems failures that underlie errors causing adverse drug events (ADEs) and potential ADEs. Design.\p=m-\Systemsanalysis of events from a prospective cohort study. Participants.\p=m-\Alladmissions to 11 medical and surgical units in two tertiary care hospitals over a 6-month period. Main Outcome Measures.\p=m-\Errors,proximal causes, and systems fai...
Abstract: This paper presents a mathematical model for a multi-state complex repairable manufacturing system with four types of failures such as common cause, partial, human and catastrophic incorporating waiting time to repair. As regards to repairing of the system, it has to be wait for repair due to unavailability of repair facility after common cause failure. The system may also fail due to...
Humans and machines fail. It is a matter of fact. Preventing, recognizing, and troubleshooting problems with the many intricate systems used by perfusionists are key skills within the profession. Preventive measures are used in an attempt to fend off errors before they occur. Skills are taught during the educational process to enable clinicians to recover from, and mitigate the effects of, crit...
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