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Title: A fuzzy set approach for reliability calculation of valve controlling electric actuators
Authors: Karmachev, D. P.
Efremov, Aleksandr Aleksandrovich
Luneva, Elena Evgenievna
Keywords: нечеткие множества; надежность; электроприводы; клапаны; нефтегазовое оборудование; исполнительные механизмы
Issue Date: 2017
Publisher: IOP Publishing
Citation: Karmachev D. P. A fuzzy set approach for reliability calculation of valve controlling electric actuators / D. P. Karmachev, A. A. Efremov, E. E. Luneva // IOP Conference Series: Materials Science and Engineering. — 2017. — Vol. 177 : Mechanical Engineering, Automation and Control Systems (MEACS 2016) : International Conference, October 27–29, 2016, Tomsk, Russia : [proceedings]. — [012027, 6 p.].
Abstract: The oil and gas equipment and electric actuators in particular frequently perform in various operational modes and under dynamic environmental conditions. These factors affect equipment reliability measures in a vague, uncertain way. To eliminate the ambiguity, reliability model parameters could be defined as fuzzy numbers. We suggest a technique that allows constructing fundamental fuzzy-valued performance reliability measures based on an analysis of electric actuators failure data in accordance with the amount of work, completed before the failure, instead of failure time. Also, this paper provides a computation example of fuzzy-valued reliability and hazard rate functions, assuming Kumaraswamy complementary Weibull geometric distribution as a lifetime (reliability) model for electric actuators.
Appears in Collections:Материалы конференций

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