CHENG Chun-fang, YANG Song, QIAN Ren-gen, TAI Wei-hua, and LIU Li, TIME SERIES AND GREY MODEL DIAGNOSIS METHOD USED TO CRACK PROBLEMS, J. Univ. Sci. Technol. Beijing , 3(1996), No. 1, pp.69-74.
CHENG Chun-fang, YANG Song, QIAN Ren-gen, TAI Wei-hua, and LIU Li, TIME SERIES AND GREY MODEL DIAGNOSIS METHOD USED TO CRACK PROBLEMS, J. Univ. Sci. Technol. Beijing , 3(1996), No. 1, pp.69-74.
Abstract:
In this paper,the vibration signals in the fatigue crack growth process in a chinese steel used in a mining machinery were analyzed by the frequency spectrum, the time series and grey system model,and the critical criterion for crack initiation was proposed.
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