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Failure diagnosis of rotating machinery by chaotic dynamics (1st report)

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摘要

As well known, rotating machinery is playing theimportant role in various industrial fields. Therefore, practical andreliable condition diagnosis techniques for the rotating machineryare essentially important for safe operation of machinery. Since thevibration of rotating machinery in failure condition is controlledby nonlinear dynamics, this paper presents a new diagnosis methodin which chaotic dynamics is applied to detect the failure such ascracked shafts of rotating machinery. To verify the diagnosisability of the proposed method, the numerical simulation for thevibration behaviors of the cracked shaft by using chaotic analysis issuccessfully performed and proves to be useful.

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