Effect of Vibration Transmissibility on Fatigue Lifetime of Electronic Devices

Liu, Yang; Chen, Ying; Yuan, Zenghui; Chen, Liqun

doi:10.1007/978-3-662-47200-2_107

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2016

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“…Lim analyzed PCB's vibration with Steinberg model in CalcePWA [20]. Yang et al studied the impact of transmissibility factor of Steinberg model on fatigue lifetime of electronic devices [21], which represent the coupling state of PCB and its case. Neglecting this factor will result in the inaccuracy of prediction.…”

Section: Introductionmentioning

confidence: 99%

Prognostic and Remaining Life Prediction of Electronic Device under Vibration Condition Based on CPSD of MPI

Chen

Tang

Yuan

2016

Shock and Vibration

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Prognostic of electronic device under vibration condition can help to get information to assist in condition-based maintenance and reduce life-cycle cost. A prognostic and remaining life prediction method for electronic devices under random vibration condition is proposed. Vibration response is measured and monitored with acceleration sensor and OMA parameters, including vibration resonance frequency, especially first-order resonance frequency, and damping ratio is calculated with cross-power spectrum density (CPSD) method and modal parameter identification (MPI) algorithm. Steinberg vibration fatigue model which considers transmissibility factor is used to predict the remaining life of electronic component. Case study with a test board is carried out and remaining life is predicted. Results show that with this method the vibration response characteristic can be monitored and predicted.

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Section: Introductionmentioning

confidence: 99%