ON CONVERGENCE OF ITERATIVE METHOD FOR DETERMINATION OF WEIBULL PARAMETERS BY MAXIMUM LIKELIHOOD METHOD

被引：0
作者：
Khoso, Fida Hussain [1 ]
Alandjan, Gasim [2 ]
Bouk, Altaf Hussain [2 ]
Musavi, Sayed Hyder Abbas [3 ]
机构：
[1] Dawood Univ Engn & Technol, Karachi, Pakistan
[2] Yanbu Univ Coll, Yanbu, Saudi Arabia
[3] Indus Univ, Karach, Pakistan
来源：
3C TECNOLOGIA | 2019年 / SI期
关键词：
Weibull distribution; Weibull parameter; Maximum Likelihood Method; POWER FLUCTUATIONS; WIND ENERGY;
D O I：
10.17993/3ctecno.2019.specialissue.04
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Weibull distribution is frequently used for the assessment of wind energy potential and modeling of wind speed data. The parameters of Weibull distribution are determined by a number of methods; Maximum Likelihood Methods is one of them. The values of scale and shape parameters of Weibull distribution are found by the help of Maximum Likelihood function. Two different techniques are used to find the parameters. One is known as iterative method, in which a start value of 'k' is set and iterations are terminated when given criterion is reached. The second method is Newton Raphson method of finding roots. We report here a problem of non-convergence of iterative method. We suggest the Newton Raphson method as the best choice for finding the value of 'k' through Maximum Likelihood Method.
引用
收藏
页码：35 / 42
页数：8
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