충격 및 바운스 특성 향상을 위한 HEV-Relay의 설계 Design of HEV-Relay to Improve Impact and Bounce Characteristics

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A HEV-relay plays a significant role as a mechanical switch which determines the operation of a gasoline engine or an electric motor in a hybrid electric vehicle (HEV). The HEV-relay has critical two problems in the operating process. First, the unstable current can occur in the operating process of the HEV-relay due to the severe bounce between moving and fixed electrode. Second, noises occur due to impact between electrodes in HEV-relay. In this research, spring properties such as stiffness and initial compression force, and electrode shape are designed to reduce the bounce time and noises caused by impact between moving and fixed electrode. The operating process of HEV-relay is simulated using LS-DYNA3D as explicit finite element code. The optimum spring properties are determined using the response surface method (RSM) as the design methodology, and the electrode shape is newly designed through the modifying the stiffness of moving and fixed electrode.
Publisher
대한기계학회
Issue Date
2008-11-05
Language
KOR
Citation

대한기계학회 2008년도 추계학술대회, pp.491 - 496

URI
http://hdl.handle.net/10203/15570
Appears in Collection
ME-Conference Papers(학술회의논문)

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