Adaptive Kriging‐based Methods for Failure Probability Evaluation: Focus on AK Methods

2021 ◽  
pp. 205-236
Author(s):  
Cécile Mattrand ◽  
Pierre Beaurepaire ◽  
Nicolas Gayton
Keyword(s):  
Failure Probability ◽  
Probability Evaluation ◽  
Adaptive Kriging

scholarly journals Mechanism reliability and sensitivity analysis of landing gear under multiple failure modes

2021 ◽  
Vol 39 (1) ◽  
pp. 46-54
Author(s):  
Changcong Zhou ◽  
Mengyao Ji ◽  
Yishang Zhang ◽  
Fuchao Liu ◽  
Haodong Zhao
Keyword(s):  
Failure Probability ◽  
Failure Modes ◽  
Kriging Model ◽  
Landing Gear ◽  
Multiple Failure Modes ◽  
Analysis And Design ◽  
Extension System ◽  
Extension Mechanism ◽  
Assembly Error ◽  
Adaptive Kriging

For a certain type of aircraft landing gear retraction-extension mechanism, a multi-body dynamic simulation model is established, and the time-dependent curves of force and angle are obtained. Considering the random uncertainty of friction coefficient, assembly error, and the change of hinge wear under different retraction times, the reliability model is built including three failure modes of landing gear, i.e. blocking failure, positioning failure and accuracy failure. Based on the adaptive Kriging model, the reliability and sensitivity of retraction-extension system under the condition of single failure mode and multiple failure modes in series are analyzed, and the rule of reliability and sensitivity changing with the number of operations is given. The results show that the system failure probability of landing gear mechanism tends to decrease first and then increase when considering the given information of random factors, and the influences of random factors on the failure probability vary with the number of operations. This work provides a viable tool for the reliability analysis and design of landing gear mechanisms.

Failure probability evaluation of passive system using fuzzy Monte Carlo simulation

2011 ◽  
Vol 241 (5) ◽  
pp. 1864-1872 ◽  
Author(s):  
M. Hari Prasad ◽  
Avinash J. Gaikwad ◽  
A. Srividya ◽  
A.K. Verma
Keyword(s):  
Monte Carlo Simulation ◽  
Monte Carlo ◽  
Failure Probability ◽  
Passive System ◽  
Probability Evaluation
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