可靠性指标
- 网络reliability index;MTBF
![可靠性指标](../cache/1349058.jpg)
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当n已知时,获得该系统的一些重要的可靠性指标。
When n is given , some important reliability indices of the system can be obtained .
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服务台可修的M/G/1排队系统&一些新的可靠性指标
Some New Reliability Quantities on M / G / 1 Queueing System with Repairable Service Station
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模糊数学在CNC系统可靠性指标评估中的应用
The application of blurry mathematics in evaluation of reliability indicators of CNC system
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基于AHP的可靠性指标确定方法研究
An AHP Based Method for Determinating the Reliability Index
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FMS任务可靠性指标的定义及预计
The Definition and Prediction of FMS Mission Reliability Index
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定数截尾时可靠性指标的Bootstrap区间估计
Bootstrap interval estimation for reliability indices from type ⅱ censored data
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基于MCP的无人机系统可靠性指标分析计算
Calculation of reliability index based on mission completion probability for UAV system
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基于Hamming神经网络的通信网可靠性指标评价模型
Evaluation Model of Reliability Index on Communication Network based on Hamming Neural Networks
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利用经验Bayes方法对冷贮备系统的可靠性指标进行了分析。
In this paper , we first give the empirical Bayes estimates of the reliability performances for cold standby system .
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分别给出了系统可靠性指标的经验Bayes估计,极大似然估计。
Empirical Bayes estimation ( EBE ) and maximum likelihood estimation ( MLE ) of reliability index are given , respectively .
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在上述理论方法的研究基础上,对空气源热泵热水器可靠性指标分配系统进行需求和功能分析,在MATLAB平台上开发原型系统,通过一个实例演示该系统的主要功能。
Based on the above theoretical study , the demands and functions of the reliability allocation system are analyzed . The prototype system is developed on the MATLAB platform .
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给出了模型参数的矩估计和电容器的平均退化量、可靠度、平均寿命等可靠性指标评估的Bootstrap仿真过程。
The reliability index , such as average degradation , reliability and average life are estimated by Bootstrap simulation method .
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为联组5V带传动的寿命预测及各项可靠性指标评定打下了基础。
Thus it makes the base for forecast and appraising the reliability index of the life - span .
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本文采用随机Petri网实现某液压系统的建模,对液压系统的动态过程作出分析,采用蒙特卡洛(MonteCarlo)仿真计算得到液压系统的稳态可靠性指标。
A hydraulic system is modeled using the stochastic Petri net . Based on the model , its dynamic processes are analyzed , and its stable reliability indices are calculated via Monte Carlo simulation .
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以Petri网模型为基础,基于蒙特卡洛仿真求解系统动态可靠性指标,通过仿真,分析影响系统可靠性的关键因素。
With the Petri net model as a base , basing on the systematic dynamic reliability target of Monte Carlo simulative solution and by means of simulation the key factors that affect the reliability of system were analyzed .
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首先建立神经网络响应面模拟疲劳裂纹扩展寿命的极限状态方程,然后使用遗传算法(GA)计算可靠性指标。
First of all , a neural network response surface was established to simulate the limit state function of fatigue crack growth life , then the gene arithmetic ( GA ) was used to calculate the reliability index .
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该系统基于统一n+2状态Markov模型,可对电站电气主接线的充裕性指标、安全性指标和经济性指标进行计算,并能实现系统可靠性指标对元件可靠性参数的敏感度分析。
Capable of calculating the adequacy , security and economics indices of the main electrical scheme of a station based on the general n + 2 State Markov Model , the software has realized the sensitivity analysis of reliability parameters .
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用四格表法评价真实性与可靠性指标,并对二种ELISA试剂盒的Cut-off值的合理性进行评价。
With the serum plate from Clinical Testing Center of the Ministry of Health as the golden criteria , the authenticity and reliability indexes were tested with four-fold table and the cut-off value of two ELISA kits was reasonably evaluated .
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文中提出一种基于马尔柯夫更新过程(MRP)的状态空间分析模型,用它得到一类非马尔柯夫型可修系统的可靠性指标的计算公式。
A general model for the state space analysis is proposed on the basis of Markov renewal process . The formulae for reliability indexes of a Non-Markov type repairable system are derived by applying the model .
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该算法通过网络等值原理将复杂配电系统逐步等值为只有一条馈线的简单配电系统,进而结合等效逻辑模型和FMEA法评估系统的各项可靠性指标,这样就比直接利用FMEA法大大提高了效率。
This algorithm turns the complicated distribution system into a simple one step by step using equivalent principle , and then obtains the reliability indexes , which is much more efficient than directly employing FMEA .
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以系统Petri网模型为基础构造可达树,基于可达树得到系统所有可能的失效序列,给出了失效序列事件发生概率的计算方法,通过计算失效序列的发生概率求解系统动态可靠性指标。
The reachability tree is established based on system 's Petri nets model , so all the possible failure sequences of the system can be got . By calculating the probabilities of all the failure sequences , the dynamic reliability indexes of the system is obtained .
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介绍了高频开关电源可靠性指标MTBF的计算方法,并分析了电源模块不同热备份数量对可靠性的影响。
It presents the calculation method of the reliability parameter of high-frequency switch power supply system and analyses the effect of the number of power supply module redundancy heat backup on reliability .
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利用C++语言计算RBTS母线6系统的可靠性指标,验证了该算法的正确性和有效性。
The correctness and effectiveness of the proposed algorithm are verified by reliability indices of RTBS bus 6 calculated by C + + language .
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作者经过分析探讨,以及对工程实例的比较与对比,在原有CW法的基础上进行了有效、合理的改进,提出了NCW可靠性指标预计方法,并且已经把该方法应用在工程实际中。
After analyzing and discussing as well as contrasting of engineering application , the author presented the NCW means of reliability index estimate based on effectively and reasonably improving about CW means , and put it into practice .
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用改进的分枝限界法寻找主要失效模式,通过对主要失效模式方程的线性化研究,计算各主要失效模式安全余量之间的相关系数;然后用PNET法计算结构系统的可靠性指标。
The correlation coefficients of failure modes safety margins are calculated by linearization research of safety margin functions of the significant failure modes , and the reliability of structural system is evaluated by PNET method .
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采用广义复杂性分配法对火箭的可靠性指标进行了分配,在可靠性增长试验的基础上,应用Gompertz模型评估和分析了火箭单元的可靠性增长趋势。
The reliability indexes of the rocket were distributed by using the generalized complexity distribution method . Based on the reliability growth tests , the reliability growth tendency of the rocket units was assessed and analyzed by Gompertz model .
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最后根据分布模型计算得到该加工中心的故障间隔时间(MTBF)、平均维修时间(MTTF)、固有可用度A以及可靠度和失效率函数等可靠性指标。
Finally obtain the mean time between failures ( MTBF ), mean time of repair failures ( MTTF ), inherent availability ( A ) as well as reliability index such as reliability and failure rate function according to the distribution model .
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由此,本文推广了处于使用寿命期的可修复元件的可靠性指标MTBF及强迫停运率FOR,提出了条件平均故障间运行时间MTBFt及区间平均强迫停运率FORa等可靠性指标。
The reliability indices Mean-Time-Between-Failures ( MTBF ) and Forced Outage Rate ( FOR ), which have already been used during useful life period , are spread so that conditional Mean-Time-Between-Failures ( MTBFt ) and interval average Forced Outage Rate ( FORa ) are suggested .
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结构系统和主要失效模式的可靠性指标之间的关系通过PNET法(概率网络估算法)确定,并依此导出系统可靠性指标相对设计变量的导数。
By means of the PNET method , the relation was set up between the reliability index of structural systems and that of dominant failure modes , on which the sensitivity of the reliability index of structural systems to design variables was derived in an explicit form .
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最后,按照多状态UGF模型,通过IEEE-RBTS算例分析了风电并网前后系统可靠性指标的变化,计算了基于既定可靠性的区域电网风电最大消纳量和备用容量的大小。
Finally , analyze the change of system reliability indices after integration of wind power base on multi-state UGF model by IEEE-RBTS test system . To calculate the maximum wind power penetration and spinning reserved capacity base on a specific reliability standard .