1) assessed failure rate
估计事故率
2) Bayes estimation of error rate
故障率 Bayes 估计
3) Calculation of accident probability
事故概率计算
4) accident accumulation frequency
事故累计频率
1.
Through the investigation and statistical analysis of the accident data in Guiyang,the authors have used the accident accumulation frequency method to obtain the black spots,and put forward feasible and effective improvement methods for reducing the incidence of traffic ac.
通过对贵阳市事故资料调查与统计分析,运用事故累计频率法鉴别事故多发地点,提出切实可行的整治措施,降低交通事故的发生,改善道路的安全水平。
2.
Through the investigation and statistical analysis ofthe accident data in history, the authors have found the distinquishing method of black point-theaccident accumulation frequency method(AAFM), and used this method to obtain the optimum fittingcurve-Logarithmic curve.
采用系统分析方法对109国道石中段进行交通事故多发点研究;通过对事故历史资料的调查与统计分析,找出了适合本路段的黑点鉴别方法——事故累计频率法,利用此方法得到最佳拟合曲线——LOGARITHMIC曲线。
5) fault estimation
故障估计
1.
The H_∞ fault estimation for linear discrete time-varying systems;
线性离散时变系统的H_∞故障估计
2.
The robust H∞ fault estimation problem for a class of LPV plants which depend affinely on a vector of time-varying parameters has been studied in this paper.
针对仿射参数变化系统,研究了鲁棒H∞故障估计问题。
3.
Adaptive fault regulation laws are designed to guarantee the stability of the diagnosis system,and the effects of parameters in adaptive regulation laws on fault estimation accuracy are discussed.
针对一类非线性输出注入系统,研究了基于自适应观测器的故障估计问题。
6) accident rate
事故率
1.
Application of Bayesian approach to accident rate analysis of outlet gates;
Bayes方法在水工泄洪闸门事故率分析中的运用
2.
By transformation of vibrating screen plate so as to reduce the accident rate and improve screening efficiency,which has an reference for the same.
通过对中煤振动筛筛板的改造减少振动筛的事故率,提高筛分效率。
3.
As the judgement of the present safety work and safety management is unrational the author makes a new concept and classification for the accident rate and also proposes a practical method for rational caculation of the accident rates for train operation, freight traffic, luggage and parcel transport and staff and passengers casuaties in railway system.
本文在分析现行安全情况和安全管理水平衡量方法的不合理性的基础上,重新定义事故率并进行分类,提出了对铁道部、铁路局、铁路分局、基层站段等各级单位的行车、货运、行包事故率及职工、旅客伤亡事故率进行合理计算的一整套具体方法。
补充资料：Bayes估计量
Bayes估计量
Bayesian estimator
Bayes估计量【Bayesi助始廿ma.件;D自狱.。眨..界..] 用BayeS方法(Bayesian aPProach)由观察值对一未知参数所作的估计.统计问题使用这样的方法时，一般都假定未知参数所0 gR“是一具有给定先验分布7r=武do)的随机变量，决策空间D与集合0重合.且损失L(0，d)表示变量0与估计d的偏离.因此，函数L勿，d)通常假定为有形式L勿，d)=a(e)又(口一d)，其中又是误差向量0一d的某个非负函数，若k二1，则常取又勿一d)={0一d}“(“>0).最有用且在数学上最方便的是平方损失函数L(口，d)=}‘一d1’.对这一损失函数，Bayes估计量(Ba卿决策函教(Bavesian dedsion function))占’二亡厂(x)定义为使最小总损失 !;‘p‘二·“，一，‘薯必，“一”‘·’2’〕口‘么，叮‘““，达到的函数，或与之等价，了是使最小条件损失 ，母‘E{[口一占(x)]2+“)达到的函数，由此推出，在平方损失函数的场合，B竹es估计量与后验均值占‘(x)=E勿{x)相等，而Bayesj双险(Bayes risk)为 。‘二，占‘)二E!D矿夕}x)]‘此处O(0}劝是后验分布的方差: o(口{x)二任{{口一E(0{x)12!，、}. 例设二=(x，，，二，戈)，这里x，，，二，x。为具正态分布N勿，。’)的独立同分布变量，护己知，而未知参数0有正态分布N扭，铲).因为当x给定时口的后验分布为正态N(拜。，T:一、其中 n又。2一十“下一2 灿。二一—，，。一二n口‘一奋了一_ n口一汁~下且万=(x，十一+凡)/。，可知在平方损失函数{分一引’之下，Bayes估计量为占’(x)=线，而Bayes风险则为《二犷六伽铲十护).AH川畔即撰[补注]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条