Numerical study of the electrical response from a mechanical model describing interactions into a slipping multi-contact interface

TL;DR

This paper presents a numerical model linking mechanical interactions in a slipping multi-contact interface to its electrical noise response, showing good agreement with experimental data and potential for device monitoring.

Contribution

It introduces a mechanical model that predicts electrical noise variations with sliding speed in multi-contact interfaces, bridging mechanical and electrical analysis.

Findings

Model accurately predicts electrical noise behavior

Good agreement with experimental resistance noise data

Potential for developing electro-mechanic monitoring devices

Abstract

We report a numerical study accounting for the electrical response of a slipping multi-contact interface and of their variations with the sliding speed. We characterize these variations by analyzing the voltage noise across the contact from a mechanical model based on the roughness interaction. Our model focuses only on the mechanical aspects of the slipping interface and explores its electrical consequences (electrical noise) versus the sliding speed. Numerical results are compared with experimental data of the resistance noise versus sliding speed: we find a good agreement between theory and experiments, which opens ways to the development of the electro-mechanic devices monitoring.