Browse Publications Technical Papers 2007-01-2339
2007-05-15

A Study on the Advanced Technology Analysis Process of Steering System for Idle Performance 2007-01-2339

This paper describes the optimal design process of the steering column system and the supporting system. At the initial concept stage of development process, a design guide is proposed to obtain sufficient stiffness of the steering system while reducing idle vibration sensitivity of the system. Case studies on resonance isolation are summarized, in which separated vibration modes among systems by applying Vibration Mode Map at the initial stage of design process. This study also makes it possible to provide design guideline for optimal dynamic damper system using CAE (computer aided engineering) analysis. The damper FE (finite element) model is added to vehicle model to analyze the relation between the frequency and the sensitivity of steering column system. This analysis methodology enables target performance achievement in early design stage and reduction of damper tuning activity after proto car test stage. The proposed development process of the steering column system in this study, makes the weight reduction and performance target enhancement possible before the proto build stage. Also the improved process is expected to contribute on reducing the overall development period and the number of proto car test necessary to secure the steering system performance.

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