TIME SERIES AND GREY MODEL DIAGNOSIS METHOD USED TO CRACK PROBLEMS

CHENG Chun-fang; YANG Song; QIAN Ren-gen; TAI Wei-hua; LIU Li

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.

Cite this article as:

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.

Cite this article as:

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.

TIME SERIES AND GREY MODEL DIAGNOSIS METHOD USED TO CRACK PROBLEMS

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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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TIME SERIES AND GREY MODEL DIAGNOSIS METHOD USED TO CRACK PROBLEMS

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