概率可靠性模型,probabilistic reliability model
1)probabilistic reliability model概率可靠性模型
1.Based on theprobabilistic reliability model and non-probabilistic set-based reliability model,a new hybrid probabilistic and non-probabilistic reliability model is proposed.并基于结构可靠性分析中的概率可靠性模型和非概率集合可靠性模型,提出一种新的结构可靠性分析的概率-非概率混合模型。
英文短句/例句
1.A NON-PROBABILISTIC MODEL OF STRUCTURAL RELIABILITY BASED ON ELLIPSOIDAL CONVEX MODEL一种基于椭球凸集的结构非概率可靠性模型
2.Probabilistic and Non-probabilistic Hybrid Reliability Model of Structures结构的概率-非概率混合可靠性模型
3.Study on Reliability Probability Model of Wide Area Measurement System广域测量系统的可靠性概率模型研究
4.Study on Probability Model of Relay Protection for Power Systems Reliability Assessment;电网可靠性评估中的继电保护概率模型研究
5.Reliability Analysis of Two Terminals Network Based on Discrete Probability Model基于离散概率模型的二端网络可靠性分析
6.Application of convex model based on non-probabilistic concept of reliability in bridge assessment凸集模型非概率可靠性在桥梁评估中的应用
7.Reliability Assessment of WAMS Based on a Combined Hardware and Software Probability Model of Phasor Measurement Units基于PMU硬软件概率模型的WAMS可靠性评估
8.Reliability analysis of the deployment mechanism of a large satellite antenna based on the non-probabilistic model基于非概率模型的星载天线展开机构可靠性分析
9.Deterioration Model for Resistance of Existing Structures and Its Numeration of Reliability;既有结构抗力的劣化概率模型及可靠度计算
10.A FUZZY DEFINITION OF NDT RELIABILITY AND POD ANALYSIS无损检测可靠性的模糊定义及其检测概率分析
11.Study on Probability Damage Reliability Based on Identification Modal Parameters;基于模态参数识别的概率损伤可靠性研究
12.Fuzzy Reliability Analysis Based on Probability Density Function Equivalent基于当量概率密度函数的模糊可靠性分析方法
13.Express Reliability Evaluation of Power VDMOS Based on Arrhenius Model基于Arrhenius模型快速评价功率VDMOS可靠性
14.PROCEDURE FOR ANALYZING THE FUZZY RELIABILITY OF STRUCTURAL SYSTEM WHEN PARAMETERS OF PROBABILISTIC MODELS ARE FUZZY概率模型含模糊分布参数的结构体系模糊可靠度分析方法
15.Research on Mechanical Non-probabilistic Reliability Analysis and Reliability Optimization Design;机械非概率可靠性分析与可靠性优化设计研究
16.The Probability Finit Element Analysis of Stiffness Dependability for Spindle of Machine Tool;机床主轴刚度可靠性概率有限元分析
17.Non-probabilistic Reliability Optimization Design of Machine-tool Spindle Structure机床主轴结构非概率可靠性优化设计
18.Non-probabilistic reliability design for box-boom stability箱形臂架稳定性的非概率可靠度设计
相关短句/例句
probabilistic and non-probabilistic hybrid reliability model概率-非概率可靠性模型
3)non-probabilistic set-based reliability model非概率集合可靠性模型
1.Based on the probabilistic reliability model andnon-probabilistic set-based reliability model,a new hybrid probabilistic and non-probabilistic reliability model is proposed.并基于结构可靠性分析中的概率可靠性模型和非概率集合可靠性模型,提出一种新的结构可靠性分析的概率-非概率混合模型。
4)non-probabilistic reliability model非概率可靠性模型
1.The non-probabilistic reliability problem of structures with uncertain parameters bounded by ellipsoidal convex models is investigated, and anon-probabilistic reliability model is proposed.构建了一种基于椭球凸集的结构非概率可靠性模型,提出了以结构安全域的体积与基本变量域的体积之比作为结构可靠性度量指标,并证明了所提出的非概率可靠性模型与概率可靠性模型的相容性。
5)credibility rate可靠性概率
1.In this paper,the writers calculated thecredibility rate of combination-logic circuit with redundant item,and they also pointed out shield the out-error which input cause,the combination-logic circuit must be inter-digital conjunction.对组合逻辑电路增加冗余后的可靠性概率进行了计算,指出为屏蔽可能引起输出错误的输入,组合逻辑电路各级电路之间应交错连接。
6)probabilistic reliability概率可靠性
1.Traditionalprobabilistic reliability method has been widely accepted and used to dealing with uncertainties in engineering.对文 [8 ]中提出的非概率可靠性方法和广泛使用的传统的概率可靠性方法 ,在建模思想、模型结构和基于可靠性的结构优化设计等方面进行了比较研究。
2.Mathematical model of topology optimization design of random structure was established,in which the mean of structural weight was taken as minimization objective function,the structural shape topology information was taken as design variables,and theprobabilistic reliability index of structural foundamental frequency was taken as constraint conditon.以结构总质量均值极小化为目标函数,以结构的形状拓扑信息为设计变量,以结构基频概率可靠性指标为约束条件,构建了随机结构拓扑优化设计数学模型。
3.A mathematical model for topology optimization design with a random structure is established,in which the minimum mean of structural weight is taken as the objective function,the structural shape topology information is taken as design variables,and theprobabilistic reliability index of structural total strain energy is taken as the constraint condition.以结构总质量均值最小化为目标函数,以结构的形状拓扑信息为设计变量,以结构总应变能概率可靠性指标为约束条件,构建了随机结构的拓扑优化设计数学模型。
延伸阅读
发电系统可靠性负荷模型发电系统可靠性负荷模型load model for genera-tion system reli-ability设在N个L‘中具有相同大小的负荷个数为ni.i-1，…，N，则从/N称为L‘出现的相对频率，用a.表示有al二。:/N，艺a‘一(3)显然，L。的相对频率为a。~1。负荷处于L。或L‘时的状态概率分别为尸乙。一念一‘一p一是一(4)两级日负荷模型由于考虑了日最大负荷在一天内的变化，在估计发电系统可靠性的频率一持续时间法(F邑D)中，可使计算的LOLP较精确(在电力不足概率法中假定最大负荷持续一整天)，并可较方便地求得系统故障频率指标。此外，为提高精度，还有提出多于两级的多级日负荷模型的，但应用较少。累积负荷模型根据系统某一时段(小时或天)内图1负荷持续曲线的最大负荷记录绘制的日、周、月或年最大负荷持续曲线，图1是已直线化的示意图。根据这种模型可以很容易求得系统负荷等于和大于任一负荷水平L的时间概率为尸(L)=t/T。利用这一特点，当已知发电可用容t为C.且令L=C时，即可方便求得电力不足概率指标值.将爪积负荷模型通过卷积与系统中每台发电机组的概率模型结合，便得到等效负荷模型，据此可直接求得发电系统可金性指标，在实际中应用也很广泛。但是，由于累积负荷棋型是按负荷的大小而不是按出现的时间顺序排列，因此，在需要估计两个互联系统的可靠性时，不能反映不同系统在同一时刻的负荷相关性，也不能利用这个模型计算发电系统可靠性的翔率及持续时间指标。两级日负荷模型将实际日负荷曲线用高低两级负荷水平来近似表示，如图2(a)所示.图中乙为日最高(大)负荷.‘为乙‘的平均持续时间，L0为日最低(小)负荷，T为负荷周期，单位为日(d);。=‘/T称为高负荷系数，其值随系统负荷特性而异。通常假定L。各天相等，乙则每天可能变化，故构成一随机序列。因此，各天的两级日负荷序列可用图2(b)的马尔科夫模型来表示.图2(b)中设每一个乙(i~1，…，N)下一步转移到L。而不存在它们相互之间的转移.于是，两级日负荷模型的参数可用转移率、状态频率和状态概率来描述。墓“…一_压一，LO卜‘曰实际负荷曲线二二了一、—7一，‘，d 图2两级日负荷模型(a)日负荷曲线;(b)两级日负荷的马尔科夫模型高负荷的转移率可表为、一青一分一如/d，耐“一。(1)式中耘、枯分别是乙向L。和L。向乙之间的转移率。低负荷的转移率为、一六，‘/d，而、一。(2)式中风九、蝙分别是L。
