- fault trees
- An analytical technique used to provide a model of the way components interact during the course of the failure of a system.
Big dictionary of business and management. 2014.
Big dictionary of business and management. 2014.
Fault tree analysis — (FTA) is a failure analysis in which an undesired state of a system is analyzed using boolean logic to combine a series of lower level events. This analysis method is mainly used in the field of safety engineering to quantitatively determine the… … Wikipedia
Persistent fault — In power engineering, a persistent fault is a fault that does not disappear when power is disconnected.Faults in underground power lines are often persistent.Underground power lines are not affected by trees or lightning, so faults, when they… … Wikipedia
Safety engineering — is an applied science strongly related to systems engineering and the subset System Safety Engineering. Safety engineering assures that a life critical system behaves as needed even when pieces fail.In the real world the term safety engineering… … Wikipedia
SAPHIRE — is a probabilistic risk and reliability assessment software tool. SAPHIRE stands for Systems Analysis Programs for Hands on Integrated Reliability Evaluations . The system was developed for the U.S. Nuclear Regulatory Commission (NRC) by the… … Wikipedia
Reliability engineering — is an engineering field, that deals with the study of reliability: the ability of a system or component to perform its required functions under stated conditions for a specified period of time. [ Definition by IEEE] It is often reported in terms… … Wikipedia
Autoland — In aviation, autoland describes a system that fully automates the landing phase of an aircraft s flight, with the human crew merely supervising the process.DescriptionAutoland systems were designed to make landing possible in visibility too poor… … Wikipedia
Simulation — Simulator redirects here. For other uses, see Simulator (disambiguation). For other uses, see Simulation (disambiguation). Not to be confused with Stimulation. Wooden mechanical horse simulator during WWI. Simulation is the imitation of some real … Wikipedia
Office of Commercial Space Transportation — The Office of Commercial Space Transportation (generally referred to as FAA/AST or simply AST[1]) is the branch of the United States Federal Aviation Administration (FAA) that approves any commercial rocket launch operations that is, any launches … Wikipedia
GEOGRAPHICAL SURVEY — Names The name Ereẓ Israel (the Land of Israel) designates the land which, according to the Bible was promised as an inheritance to the Israelite tribes. In the course of time it came to be regarded first by the Jews and then also by the… … Encyclopedia of Judaism
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium