Title :
The fusion method for prior information of numerical control system
Author :
Hongping, Luo ; Yi, Dai ; Yan, Liu
Author_Institution :
TianJin Key Lab. of High Speed Cutting & Precision Machining, TianJin Univ. of Technol. & Educ., Tianjin, China
Abstract :
In this paper, several prior information fusion methods are considered comprehensively. Based on the failure distribution research, the environmental factor fusion method is more appropriate for the failure data of numerical control system. Outliers are deleted by using professional knowledge. By likelihood ratio test, we know that the shape parameters of the three groups of data are equal and the environmental factor is used to convert the historical data.
Keywords :
Weibull distribution; environmental factors; maximum likelihood estimation; numerical control; sensor fusion; Weibull distribution; environmental factor fusion; failure data; failure distribution; likelihood ratio test; numerical control system; prior information fusion; professional knowledge; shape parameter; Bayesian methods; Computer numerical control; Educational technology; Environmental factors; Machining; Maximum likelihood estimation; Probability distribution; Shape control; System testing; Weibull distribution; Environmental factor; Likelihood ratio test; MLE; Numerical control system; Weibull distribution;
Conference_Titel :
Mechanic Automation and Control Engineering (MACE), 2010 International Conference on
Conference_Location :
Wuhan
Print_ISBN :
978-1-4244-7737-1
DOI :
10.1109/MACE.2010.5535802
