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Multi-contacts Interface: Electrical Properties of Dynamical Interface

  • Eddy Chevallier
  • Nicolas Foy
  • Robert Bouzerar
  • Brice Jonckheere
  • Sabrina Ait Mohamed
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

Signal transfer systems are used in some industrial or transport applications. These systems have to transmit, through a sliding (pantograph/catenary) or a rolling (wheel/rail) multi-contact interface (MCI), power currents, measurements signals or control signals using specific communication protocols. In the interface are generated electromechanical couplings between solid surfaces of a device in motion, sometimes at high-speed. Whatever the condition of implementation, the quality of the contact must be understood to be optimized. The study of the performance indicators of these systems thus requires the physical understanding and the modeling of the mechanisms at the contact interface.

In accordance with the common trends in the field, we propose a theoretical approach to the electrical transport through metallic MCIs, treated as a moving discrete collection of a finite number of contacting asperities. In another hand, we build a statistical approach of the mechanical interface spots interactions leading to electrical consequences that can predict experimental behaviors.

Keywords

Multi-contacts interface Interface electrical properties Static interface Dynamical interface Multi-contact simulation 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Eddy Chevallier
    • 1
  • Nicolas Foy
    • 1
  • Robert Bouzerar
    • 2
  • Brice Jonckheere
    • 2
  • Sabrina Ait Mohamed
    • 2
  1. 1.PSC - Laboratoire Physique Des Systèmes ComplexesAmiens Cedex 1France
  2. 2.LPMC - Laboratoire de Physique de La Matière CondenséeAmiens Cedex 1France

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