As the end point of power delivery,a distribution system is directly connected with the *** has complex structures and various operation modes which make the reliability even more ***,the traditional FMEA cannot be ap...
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As the end point of power delivery,a distribution system is directly connected with the *** has complex structures and various operation modes which make the reliability even more ***,the traditional FMEA cannot be applied to the complex distribution system which contains ring *** the capacity constraint of distribution system into consideration,this paper analyzes the reliability of IEEE DRTS system with FMEA based on the minimum cut set.
One-dimensional discrete wavelet transform is used to process the bearing fault signal in this ***,the bearing fault data is decomposed to *** the fault feature signal is *** order to detect the bearing failure and de...
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ISBN:
(纸本)9781467307864
One-dimensional discrete wavelet transform is used to process the bearing fault signal in this ***,the bearing fault data is decomposed to *** the fault feature signal is *** order to detect the bearing failure and determine the area of it,the reconstructed signal is processed by the Hilbert transform demodulation and spectrum *** results show that the frequency of failure point matches well with theoretical one using this *** method is simple and reliable and thus provides a scientific method for early warning and exclusion of failure.
We present a method for smoothing heavy noisy surfaces acquired by on-the-fly 3D imaging devices to obtain the stable curvature. The smoothing is performed in a way that finds centers of probability distributions whic...
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According to the necessity of reliability analysis for satellite system subjected to common-cause failures,the unreliability expression under a variety of common-cause condition is developed to analyze the unreliabili...
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According to the necessity of reliability analysis for satellite system subjected to common-cause failures,the unreliability expression under a variety of common-cause condition is developed to analyze the unreliability of satellite system in this *** on static fault tree analysis of satellite system,the binary decision diagram is used to evaluate the reliability considering common-cause *** importance of prevention of common-cause failures in large structured redundancy system is verified by using practical calculation example.
Fuzzy fault tree analysis of uncontained event for aeroengine rotor is *** theory of fuzzy fault tree analysis was introduced *** the fault tree of uncontained event for aero-engine rotor is established,in which the d...
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Fuzzy fault tree analysis of uncontained event for aeroengine rotor is *** theory of fuzzy fault tree analysis was introduced *** the fault tree of uncontained event for aero-engine rotor is established,in which the descending method is used to find minimal cut *** more,the interval representation and calculation strategy is presented when the symmetrical L-R type fuzzy number was chosen to describe the failure probability,and the built fault tree is analyzed quantitatively.
This paper proposes a new simulation model for emergency evacuation of civil aircrafts taking into account of influences from passengers'physical *** new model uses the staggered mesh discretization method to gene...
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ISBN:
(纸本)9781467307864
This paper proposes a new simulation model for emergency evacuation of civil aircrafts taking into account of influences from passengers'physical *** new model uses the staggered mesh discretization method to generate evacuation map and the intelligent agent-based model to simulate evacuation *** the proposed model,artificial passengers are able to enter the same cell if they have the same moving directions in the simulation *** addition,the influences from physical attributes of passengers on the evaluation time are incorporated into the *** effectiveness of the proposed method is demonstrated via a case study.
Generally,multidisciplinary design optimization (MDO) is a deterministic design method,which does not takes uncertainty into ***,uncertainty cannot be ignored since it has a significant influence on the design results...
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ISBN:
(纸本)9781467307864
Generally,multidisciplinary design optimization (MDO) is a deterministic design method,which does not takes uncertainty into ***,uncertainty cannot be ignored since it has a significant influence on the design results of the engineering *** this paper,in order to reduce the effect of uncertainty on system performance,First-Order Second-Moment based collaborative optimization (FOSM-CO),is proposed,where reliability index is used to evaluate the probability of successful *** proposed method is employed to conduct speed reducer design and the global optimal solution is obtained,which illustrates the feasibility of the proposed method.
Redundancy technology is widely used as an effective design technique in improving task reliability and safety of ***,the increasing units result in depression of basic *** keep a balance between these two targets is ...
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Redundancy technology is widely used as an effective design technique in improving task reliability and safety of ***,the increasing units result in depression of basic *** keep a balance between these two targets is one of the main aspects in redundancy *** this paper,we establish game model of FCS reliability using static game theory with incomplete information,and generate corresponding Bayesian Nash Equilibrium,with which we can define redundant configuration under limited maintenance cost *** paper provides the theoretical reference for FCS redundancy design.
When there is limited objective failure data,a method for developing the possibility distribution by subjective assignment strategies is put forward,which is illustrated by the lifetime data from fatigue reliability *...
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ISBN:
(纸本)9781467307864
When there is limited objective failure data,a method for developing the possibility distribution by subjective assignment strategies is put forward,which is illustrated by the lifetime data from fatigue reliability *** on a limited fatigue life data,a study on reliability analysis of 40 axle-steel is presented,by constructing the possibility distribution function of the locomotive axle steel fatigue life as well as calculating the possibility reliability of fatigue strength at any one time of the axle under a certain stress level.
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