Search Results - "Dai, Daoyi"

Multiscale noise tuning of stochastic resonance for enhanced fault diagnosis in rotating machines by He, Qingbo, Wang, Jun, Liu, Yongbin, Dai, Daoyi, Kong, Fanrang

“…The interference from background noise makes it difficult to identify incipient faults of a rotating machine via vibration analysis. By the aid of stochastic…”
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Periodic fault signal enhancement in rotating machine vibrations via stochastic resonance by Lu, Siliang, He, Qingbo, Dai, Daoyi, Kong, Fanrang

“…This paper proposes a novel approach to periodic fault signal enhancement in rotating machine vibrations with a tristable mechanical vibration amplifier (TMVA)…”
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Out-of-resonance vibration modulation of ultrasound with a nonlinear oscillator for microcrack detection in a cantilever beam by He, Qingbo, Xu, Yanyan, Lu, Siliang, Dai, Daoyi

“…This Letter reports an out-of-resonance vibro-acoustic modulation (VAM) effect in nonlinear ultrasonic evaluation of a microcracked cantilever beam. We design…”
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Structure damage localization with ultrasonic guided waves based on a time–frequency method by Dai, Daoyi, He, Qingbo

“…The ultrasonic guided wave is widely used for structure health monitoring with the sparse piezoelectric actuator/transducer array in recent decades. It is…”
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Structure damage localization with ultrasonic guided waves based on a time-frequency method: Time-frequency methods for condition based maintenance and modal analysis by DAOYI DAI, QINGBO HE

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Bearing defect diagnosis by stochastic resonance with parameter tuning by Qingbo He, Jun Wang, Yongbin Liu, Daoyi Dai, Fanrang Kong

“…The interference from background noise makes it difficult to identify the incipient defect of a bearing via vibration analysis. By the aid of stochastic…”
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An improved bistable circuitry system for weak signal detection by Daoyi Dai, Qingbo He, Yongbin Liu, Jianjun Wang, Chang Gong

“…The stochastic resonance (SR), taking advantage of the noise instead of suppressing it, has been proved to be a novel way to enhance detection, amplification,…”
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