Dynamic reliability calculation based on importance sampling method 采用重要抽样法的结构动力可靠度计算
Power System Reliability Evaluation Based on Optimal Sampling and Selective Analysis Algorithm 基于最优抽样与选择性解析的电力系统可靠性评估
In this paper, reliability sensitivity algorithm based on line sampling is presented. 提出了一种基于线抽样的可靠性灵敏度分析方法。
This paper gives a statistical method of working out reliability sampling inspection plans for items whose failure times are distributed as exponential distributions. 本文给出了制定定时截尾寿命试验下指数分布产品失效率的抽样检验方案的一个新方法,检验统计量是总试验时间。
Based on the reliability sampling theory, the reliability examine plan of overload relay was analyzed and the test device was developed. 根据可靠性抽样理论,分析了过载继电器的可靠性试验方案,研制了过载继电器可靠性试验装置。
An efficient algorithm of power systems reliability evaluation named separate importance sampling ( SIS) taken from different contingencies order state subspaces was presented. 提出一种电力系统可靠性评估的高效算法,即各阶故障状态子空间独立重要抽样算法。
The structure reliability calculation by β-ball sampling of modified Monte-Carlo 利用改进的Monte-Carloβ球法计算结构可靠性
A variety application of reliability numeric simulation requires residual life sampling. However, with the age of system increasing, the life distribution function is quickly approaching 1, which often leads to failure or incorrect sampling result with current methods. 剩余寿命抽样是可靠性数字仿真中非常棘手的问题,随着系统累积使用寿命的增加,很难用常规的方法得到准确的抽样结果。
Study on the reliability evaluation method and compliance test sampling plan of low-voltage circuit breaker 低压断路器可靠性评估方法与验证试验方案的研究
The sampling domain of Monte-Carlo is restricted to the points outside the n-dimensional β-sphere to calculate structural reliability, which has reduced sampling domain and cut down computational time greatly which is shown by an example. 计算可靠性时,将Monte-Carlo的抽样区域限制在n维欧氏空间β球外部,缩小了抽样范围,从而大大提高了结构可靠性的计算效率,并给出一算例。
This paper discuss the selection of typical ammunition and storage test environment, sets up safety model and reliablity model about semi combustible cartridge, presents the test items of storage reliability, and preliminarily determines the sampling opportunity and sample book quantity. 讨论了典型弹种的选取和储存试验环境的选择,建立了半可燃药筒弹药的安全性模型和可靠性模型,据此提出了储存可靠性的试验项目,初步确定了抽样时机和样本量。
Reliability sampling inspection plans for exponential populations with type I censoring 定时截尾下指数分布产品可靠性抽样检验方案关于指数样条
A practical software method filtering out pulse disturbing signal based on error theory and PLC's programmed instruction was presented, which ensures the reliability of PLC data sampling, improves anti-jamming ability of control system. 基于误差理论及PLC编程指令,提出了一种剔除脉冲干扰信号的实用软件方法,保证了PLC采集数据的可靠性,提高了控制系统的抗干扰能力。
Study on Reliability Assessment of the Smallest Sampling Method 最少试样法的可靠性评估
Time synchronization system is designed to make some research on real-time and reliability capability of data sampling as well. 设计了GPS时间同步系统,利用该系统分析研究了串口与网线通信的实时性与可靠性,并在某真航向测量系统中得到了应用。
Method of Ensuring the Reliability of Data Sampling Based on PLC Software Filtering 一种基于PLC软件滤波保证数据采集可靠性的方法
Then the calculation formula for parameter and reliability evaluation is presented through the small sampling test combined with Bayes method. Finally, an example is given to show the validity of this method. 论文在对产品性能退化建模的基础上,结合Bayes方法给出了退化模型参数的估计算法和可靠性推断的公式,最后结合实例说明了方法的有效性。
This article presents a measurement and evaluation method and design method which improve the reliability through an example of data sampling electronic system that based on the reliability engineering notion. 本文以数据采集电子系统为例,结合可靠性工程原理、方法,提供了电子系统可靠性评估预测和提高可靠性的设计方法。
This paper studies reliability sampling inspection method for items whose quality characteristic has a normal distribution with an unknown variance under double combined specification limits. 在综合双侧规格限下研究方差未知的正态分布产品可靠性抽样检验方法。
These methods include choosing highly reliable major control block and the first meter and actuator, setting a perfectly obstacle warning system, improving the reliability of various sampling signal on spot and the accuracy to implement command of actuator. 主要包括:选择高可靠性的主控单元,选择高性能的一次仪表和执行机构,设置完善的故障报警系统,提高采集现场各种信号的可靠性,提高执行机构执行命令的准确性。
Two statistical methods of working out reliability sampling inspection plans were respectively proposed in this paper under complete sample, the failure times are distributed as exponential distributions. 对于失效时间遵从指数分布,提出了全样本下可靠性抽样检验方案的统计方法。
This paper proposes a statistical method of working out reliability sampling inspection plans under complete sample and Type I censored sample, respectively, for items whose failure times are distributed as two-parameter Weibull distributions. 对于失效时间遵从双参数威布尔分布产品,本文分别提出了制订全样本下和定时截尾样本下可靠性抽样检验方案的统计方法。
Abstract Based on the dynamic predicting verifying method, this paper developed a testing approach to check the reliability of sampling datum. 提出一种基于动态预测检验方法的采样数据可靠性检查的算法,可以检验采样失真的错误。
Analysis and prediction of reliability on a machinery system of small sampling 小子样机械系统可靠性分析与预测研究
A way to improve the sensitivity and reliability of grounding protection in switch-over sampling energized circuit 提高切换采样式励磁回路接地保护灵敏度及可靠性的方法
The key step for reliability assessment with small sampling is to take advantage of the subjective information and the test data of input parameters. 进行小样本可靠性评估的关键是充分利用由科学分析和专家经验得到的主观信息以及输入参数的基本试验信息。
Reliability Sampling Inspection for Two-parameter Weibull Distribution 双参数威布尔分布下可靠性抽样检验
Reliability parameters are obtained through state sampling on the feeder partition model. A back/ forward sweep algorithm is introduced for load-points and system indices calculations. 通过对分区系统进行状态抽样,获得分区模型的可靠性参数,再运用前推回推法计算负荷点可靠性指标和系统可靠性指标。
The third chapter introduces the purpose, methods of empirical research and the preparation of the questionnaire, the reliability and validity of measurement, sampling methods and data collection and analysis methods. 第三章是实证研究设计部分,主要介绍了实证研究的目的、方法以及问卷的编制、信度效度的测量,取样方法以及数据收集与分析的方法。
After getting the measurement results, we statistically computed the reliability of network by means of sampling and symbolic statistic, and did reliability analysis. Third, we realized the statistic of the relative information about network runoff. 在得到测量结果后利用数据采样和数理统计的方法基于性能参数进行网络可靠性的统计计算,并进行可靠性分析。实现了网络流量相关信息的监测。