Title :
A hybrid fuzzy algorithm for historical seismic intensity determination method
Author :
Jia Suimin ; Hu Mingsheng ; Jia Zhijuan ; Liu Si
Author_Institution :
Coll. of Inf. Sci. & Technol., Zhengzhou Normal Univ., Zhengzhou, China
Abstract :
Aiming at the subjectivity and ambiguity problems of historical seismic intensity determination, a hybrid fuzzy determination method is proposed in this paper. Intensity features are extracted based on the latest historical seismic intensity table and the quantization process of historical earthquake records is dynamically adjusted by using exponential fitting and entropy weight method. Gaussian membership function is used to obtain smoother fuzzy identification results and the problem of excessive zero value in membership matrix of historical seismic intensity is resolved by using gray correlation coefficient conversion. Simulation results prove that the proposed method has high accuracy and practicality.
Keywords :
Gaussian processes; correlation methods; earthquakes; entropy; feature extraction; fuzzy set theory; history; matrix algebra; Gaussian membership function; entropy weight method; excessive zero value; exponential fitting; fuzzy identification results; gray correlation coefficient conversion; historical earthquake records quantization process; historical seismic intensity determination method; historical seismic intensity table; hybrid fuzzy determination method; intensity feature extraction; membership matrix; Computer science; Educational institutions; Electronic mail; Entropy; Feature extraction; Information science; Systems engineering and theory; Entropy weight; Fuzzy identification; Gauss membership function; Gray relational analysis; Historical seismic intensity;
Conference_Titel :
Control Conference (CCC), 2013 32nd Chinese
Conference_Location :
Xi´an
