Article Dans Une Revue IEEE Transactions on Components, Packaging and Manufacturing Technology Année : 2025

Prediction of electrical connectors performance under automotive sine sweep vibration profile

Résumé

Mechanical vibration has long been recognized as one of the major drivers for fretting degradation in electrical connector used in automotive systems. The use of electrical connector in a vehicle is preceded by the validation of components that verify the reliability and functionality of the components over the assumed vehicle lifetime. The validation procedure can be developed on the basis on several different standards. However, it is difficult to predict if each connector developed will pass a given automotive vibration profiles without fretting degradation. A new approach allowing to predict the connector performance submitted to different automotive vibration profiles would be of great value for connector designer and application. An earlier initial study was conducted in which a 3-D finite element model was developed and experimentally validated for electrical connector system under a single frequency applied. The present study is the next step in this effort. The 3-D model for this same connector system has been used to determine the relative motion transfer function at contact point first. Then the curve of mechanical performance of the connector was established by multiply the relative motion transfer function with the automotive vibration profile. Finally, the results of mechanical performance of the connector were combined with the contact electrical endurance in order to predict the performance of the connector system in term of contact resistance variations.

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Dates et versions

hal-04923299 , version 1 (03-04-2025)

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Mack Mavuni Nzamba, Daniel Mburasek Mawidi, Erwann Carvou, Laurent Morin. Prediction of electrical connectors performance under automotive sine sweep vibration profile. IEEE Transactions on Components, Packaging and Manufacturing Technology, 2025, 15 (8), pp.1698-1707. ⟨10.1109/tcpmt.2025.3535845⟩. ⟨hal-04923299⟩
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