Results 51 to 60 of about 35,032 (199)

Meta-heuristic algorithms in car engine design: a literature survey [PDF]

open access: yes, 2015
Meta-heuristic algorithms are often inspired by natural phenomena, including the evolution of species in Darwinian natural selection theory, ant behaviors in biology, flock behaviors of some birds, and annealing in metallurgy.
Tayarani-N, Mohammad-H.   +2 more
core   +2 more sources

Reliability Analysis of Tram Electro-mechanical Braking System Based on Fuzzy Fault Tree

open access: yesChengshi guidao jiaotong yanjiu
Objective The electro-mechanical braking system architecture of tram is different from that of the traditional braking system, so it is necessary to analyze the system safety and make targeted improvement to its weak links.
MIAO Feng   +4 more
doaj   +1 more source

Reliability evaluation for complex systems based on interval-valued triangular fuzzy weighted mean and evidence network

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2018
Aiming at the problem in obtaining the precise failure rates of components, this paper presents a new reliability evaluation method for complex systems using interval triangular fuzzy subset and evidence network (EN).
Rongxing DUAN, Yanni LIN, Longfei HU
doaj   +1 more source

An application of decision trees method for fault diagnosis of induction motors [PDF]

open access: yes, 2006
Decision tree is one of the most effective and widely used methods for building classification model. Researchers from various disciplines such as statistics, machine learning, pattern recognition, and data mining have considered the decision tree ...
Oh, Myung-Suck   +2 more
core  

Modeling and Recognition of Smart Grid Faults by a Combined Approach of Dissimilarity Learning and One-Class Classification

open access: yes, 2014
Detecting faults in electrical power grids is of paramount importance, either from the electricity operator and consumer viewpoints. Modern electric power grids (smart grids) are equipped with smart sensors that allow to gather real-time information ...
De Santis, Enrico   +3 more
core   +1 more source

Risk Analysis of Tubing Hanger Installation Operation Based on T-S Fuzzy Fault Tree

open access: yesShiyou jixie, 2017
To address the lack of fault data, the uncertainty connection of the failure mechanism and the events, and the problem of the applicability of traditional Boolean logic gates in the risk analysis of the tubing hanger installation operation, a new ...
Liu Jian   +4 more
doaj  

Reliability Analysis of Subsea Christmas Tree System Based on FFTA and FMEA

open access: yesShiyou jixie, 2022
At present, most of the reliability analysis on subsea Christmas tree system only considers the influence of some typical fault modes on the system. Therefore, in the paper, the fuzzy fault tree analysis method(FFTA)and the fault mode and effect analysis
Liu Chao   +4 more
doaj  

摆动活齿传动系统故障树分析

open access: yesJixie chuandong, 2001
The general method of the fault tree analysis of swing movable teeth drive is investigated in this paper.The fault tree of swing movable teeth drive system is built up,and its structure function is presented.
梁尚明, 徐礼钜
doaj  

Reliability Analysis of Subsea Manifold Structure Based on Fuzzy Comprehensive Evaluation

open access: yesShiyou jixie, 2021
In view of the lack of research on reliability of subsea manifold structure, this paper carries out reliability analysis of subsea manifold structure based on fault tree model and fuzzy comprehensive evaluation method.
Jia Peng   +6 more
doaj  

Risk source identification and failure model for the operation of top tensioned riser

open access: yesYou-qi chuyun, 2020
The Top Tensioned Riser (TTR) is mainly applied to single column platforms and tension leg platforms in the development of deep water oil and gas. The risks in the operation of the TTR were analyzed to guarantee the safety and reliability of ocean ...
Jianxing YU, Tian LIU, Yang YU
doaj   +1 more source

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