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RELIABILITY ANALYSIS OF CRANE LIFTING MECHANISM
Опубліковано 2018-03-01Предмети: Отримати повний текст
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Optimization of design of HRSG boilers at cyclic power plants
Опубліковано 2024-03-01Предмети: Отримати повний текст
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Investigating the Reliability of Heating, Ventilation, and Air Conditioning Systems Utilized in Passenger Vehicles
Опубліковано 2024-11-01Предмети: Отримати повний текст
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Reliability Study of LED driver
Опубліковано 2015“...Black box testing method is important to IC reliability study. First of all, it simplifies the circuit analysis, since the equivalent circuit is constructed using basic block diagrams and the circuit information is typically confidential to reliability engineer. ...”
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INTERVAL ESTIMATION OF OBJECT RELIABILITY INDICES
Опубліковано 2016-10-01“...The paper describes a method of interval estimation of reliability indices of an object having a consistent block diagram of reliability calculation and input data for calculation of reliability indices in the form of interval estimates. ...”
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Application of Reliability Prediction Technology in Railway Signal Products
Опубліковано 2022-04-01“...At first, reliability block diagram and model are established. ...”
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An improved reliability assessment of a modular robot controller
Опубліковано 2018Отримати повний текст
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ASSESSMENT OF RELIABILITY OF THE ONBOARD EQUIPMENT OF SMALL SPACECRAFTS DURING THEIR FLIGHT
Опубліковано 2016-11-01“...А mathematical representation of the reliability indicator of onboard equipment and the model of structure of a small spacecraft, as well as formulas for calculating the fail-safe functioning indicators of realibility diagram blocks of onboard equipment are adduced....”
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Reliable scheme for the cluster-based communication protocol in wireless sensor networks
Опубліковано 2008-01-01“...The RBD (reliability block diagram) was used to model the data reliability of cluster-based wireless sensor networks (WSN). ...”
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Reliable scheme for the cluster-based communication protocol in wireless sensor networks
Опубліковано 2008-01-01“...The RBD (reliability block diagram) was used to model the data reliability of cluster-based wireless sensor networks (WSN). ...”
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Simulation Analysis of the System Reliability of Cylinder Sine Oscillating Tooth Transmission
Опубліковано 2015-01-01“...In view of the problem that the conventional analysis method cannot directly solve reliability problem of the complex cylinder sine oscillating tooth transmission system,a simulation method based on minimal cut sets of fault tree is proposed,which can solves system reliability.According to the structural characteristics of cylinder sine oscillating tooth transmission,the function block diagram of the system is given and the fault tree of the system is built.The minimal cut sets of the fault tree are acquired,and the cumulative failure probability and the probability density are calculated.Different types life distribution function of the system are fitted out.The life distribution function is determined preliminarily based on the principle of minimum residual sum of squared,and the K-S hypothesis testing is carried out for the life distribution function,which ultimately determine life distribution function of cylinder sine oscillating tooth transmission is Weibull distribution.The weak links of cylinder sine oscillating tooth transmission system are determined by analysis of model importance....”
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Reliability Based Design of a Space System in the Conceptual Design Phase
Опубліковано 2023-09-01“...The third step involves developing the reliability block diagram for the electro-pump. In the fourth step, various reliability feature methods are introduced and reviewed. ...”
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Keandalan Sistem Lintasan Produksi Pembuatan Pipa
Опубліковано 2016-12-01“...The determination of the system reliability was derived from the block diagram in accordance with the condition of machines in the field. ...”
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ASSESSMENT OF RELIABILITY AND VITALITY OF SYSTEMS TAKING INTO ACCOUNT THE INTERRELATION OF ELEMENTS WITH SEISMIC EXPOSURE
Опубліковано 2019-08-01“...Objectives The aim of the study is to develop a model for assessing the reliability of frame systems, taking into account the redistribution of forces between vertical structures when plastic hinges are formed in them from horizontal seismic effects.Method The research method is based on the analysis of the schemes of mechanisms for the transition of frame systems to limit states, as well as probability theory, random processes and system reliability.Results Based on the analysis of the paths of transition of statically indefinable frame systems to failure states due to the formation of plastic hinges at the junction points of the posts with crossbars, a block diagram of the system elements connection has been developed, presented as a separate redundancy scheme. ...”
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Chapman-Kolmogorov Equations for a Complete Set of Distinct Reliability States of an Object
Опубліковано 2018-12-01“...It is believed that by virtue of the block diagrams appropriate to those structures, the readers hereof are provided with a realistic opportunity to practically (and inexpensively) verify the ideas presented here....”
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RESEARCH ON MAINTENANCE PARAMETER OPTIMIZATION OF DSA200 TYPE PANTOGRAPH BASED ON RELIABILITY ANALYSIS
Опубліковано 2025-02-01“...Aiming at the issues of under-maintenance or over-maintenance in preventive maintenance of DSA200 type pantograph, a method was proposed to optimize inspection and maintenance parameters by using pantograph failure data.Firstly, the failure datas of the pantograph components were analyzed by using graph parameter method, which failure time distribution models were fitted.The failure datas were preliminarily determined to obey the exponential distribution,and the Bartlett value method was further used to verify the validity of the failure data obey exponential distribution.Secondly, based on the structure and working characteristics of pantographs, a reliability block diagram model with pantograph components in series was constructed.According to the characteristics of constant failure rate of pantograph components, the failure rate of pantographs was obtained.Thirdly, the minimum cost model of preventive maintenance and replacement of pantographs was established, and the optimal preventive maintenance interval and the optimal number of spare parts were obtained.Finally, the structure importance, probability importance and critical importance of pantograph components were analyzed by using fault tree analysis method, and the failure probability of pantograph and the key components in inspection and maintenance were obtained.The optimized pantograph inspection and maintenance parameters can provide scientific reference for maintenance personnel to improve their maintenance level and reduce maintenance costs....”
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Motor Fault Diagnosis Based on Convolutional Block Attention Module-Xception Lightweight Neural Network
Опубліковано 2024-09-01“...Secondly, the characteristic of Gram image coding is used to realize the coding of time domain information, and the one-dimensional vibration signals are transformed into grayscale diagrams to highlight their features. Finally, the lightweight neural network Xception is chosen as the main tool, and the attention mechanism Convolutional Block Attention Module (CBAM) is introduced into the model to enforce the importance of the characteristic information of the motor faults and realize their accurate identification. ...”
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HAZOP analysis and reliability assessment of closed loop solar water heater system for residential application
Опубліковано 2019“...Hazard identification for the main system components is analyzed while Fault Tree Analysis (FTA), Reliability Block Diagram (RBD) and Weibull distributions performed to determine the reliability for the overall system. ...”
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