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No.1009 2011自動車関連技術特集号 コラムタイプ電動パワーステアリングのラトル音解析技術の確立

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筆者 ステアリング事業本部 システム開発部 西村慎二 
ステアリング事業本部 NV 技術部 阿部 諭
要旨 The backlash adjustment mechanism for reduction gears adopted in electric power steering systems aims to reduce rattle noise at gear inverse rotation by decreasing the backlash between worms and reduction gears. However, there is a possibility that another rattle noise could be generated due to the characteristics of the backlash adjustment mechanism itself. Therefore, we have developed rattle noise simulation for Column type electric power steering (C-EPS) systems to analyze rattle noise caused by the backlash adjustment mechanism. The cause of rattle noise has been inferred from simulation and test results. This simulation can now be used at the design phase to design parameters which will reduce rattle noise and improve design efficiency.
キーワード rattle noise, electric power steering, backlash adjustment mechanism, reduction gear
関連リンク

杉浦友紀:電動パワーステアリング(EPS)減速機の芯間調整機構, JTEKT ENGINEERING JOURNAL, No.1001(2006)73.

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JTEKT ENGINEERING JOURNAL

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