نتایج جستجو برای: fault tree analysis fta
تعداد نتایج: 3002087 فیلتر نتایج به سال:
Introduction: using fossil fuels, some hazards such as explosion and fire are probable. This study was aimed to consequence modeling of fire on Methane storage tanks in a gas refinery using analyzing the risk, and modeling and evaluating the related consequences. Method: Hazard analysis by PHA was used to choosing the worst-case scenario. Then, causes of the scenario were determined by FTA. ...
Background: Specialist literature indicates a large share of the human factor among causes failure technical systems at level 70 to 90%, which depends on sector studied. The collective water supply system is an anthropotechnical system, i.e., it complex connection between man and resulting from deliberate influence system. Methods: work presents assessment operator reliability selected treatmen...
Implantable sensors for glucose monitoring are the first step towards the development of an implantable closed-loop diabetes control system. Although significant advances in the designs and chemistries employed to prepare intravascular and subcutaneous devices have been achieved, the biological responses can have a dramatic impact on the analytical accuracy of such probes. With a view to assist...
This paper is focused on detecting and analyzing the Distributed Denial of Service (DDoS) attacks in cloud computing environments. This type of attacks is often the source of cloud services disruptions. Our solution is to combine the evidences obtained from Intrusion Detection Systems (IDSs) deployed in the virtual machines (VMs) of the cloud systems with a data fusion methodology in the front-...
this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...
One of the major areas of software engineering, as specified in the SWEBOK (SoftWare Engineering Body Of Knowledge) [1], is software quality. This paper presents an argument on why software quality should be an important component of an undergraduate computer science or software engineering curricula, and why it should not be viewed only as an exercise in software testing. Next we introduce a q...
Since the COVID-19 pandemic hit Indonesia, many fishery households on Indonesia's coast have been affected. Therefore, an analysis of impact was carried out health and economy fisheries in coastal areas Kenjeran Beach, especially Kedung Cowek Village, Bulak, Surabaya. The Fault Tree Analysis (FTA) method is used to find probability decreasing household welfare Event (ETA) level risk for each fa...
Abstract To reduce the hazards of collapse accidents in construction process and to ensure that lives, health, property workers are protected, this study used theory safety system engineering identify accidents, analyze hazards, predict consequences, evaluate systemic risks, effects improve them. At same time, risk factors were evaluated qualitatively quantitatively by using analysis methods fa...
In the present paper we show that given a tree series S, which is accepted by (a) a deterministic bottom-up finite state weighted tree automaton (for short: bu-w-fta) or (b) a non-deterministic bu-w-fta over a locally finite semiring, there exists for every input tree t ∈ supp(S) a decomposition t = C′[C[s]] into contexts C, C′ and an input tree s as well as there exist semiring elements a, a′,...
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