Counter-Measures for Relay Failures due to Dynamic Welding : A Robust Engineering Design

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概要

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• In prior work, contact welding phenomena were observed in automotive relays during break of motor inrush current. The switching performance of the type of relay investigated could be correlated with the parameters: over-travel, coil suppression, and the break current. In the present work the author further explores the impact of both the contact material (silver tin oxide versus fine grain silver) and the contact surface topography (brand new and pre-aged contacts). He further assesses the robustness of the system "relay" with those parameters using the Taguchi methods for robust design. Furthermore, the robustness of two alternative automotive relay types will be discussed.

• The Institute of Electronics, Information and Communication Engineersの論文
• 2009-05-01

著者

• SCHOEPF Thomas

  Delphi

• Schoepf Thomas

  Delphi Corp. U.s.a. And Is Now With Eaton Corp.

関連論文

• Pre-Conditioning Automotive Relay Contacts to Increase Their Resistance to Dynamic Welding(Relays & Switches,Recent Development of Electromechanical Devices (Selected Papers from ICEC2006))
• Counter-Measures for Relay Failures due to Dynamic Welding : A Robust Engineering Design

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