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  • Summary & Details

Reproduction of Engine Torque Fluctuation with Low Inertia and High Stiffness Dynamometer

低慣性・高剛性ダイナモによるエンジントルク変動再現

Detailed Information

Category(J)論文

Translation

Category(E)Technical Papers and Explanation
Author(J)1) 塩田 啓二, 2) 佐川 正記, 3) 天野 雅文, 4) 末竹 和幸
Author(E)1) Keiji SHIOTA, 2) Masaki SAGAWA, 3) Masafumi AMANO, 4) Kazuyuki SUETAKE
Affiliation(J)1) 本田技研工業, 2) 本田技術研究所, 3) 本田技研工業, 4) 本田技研工業
Affiliation(E)1) Honda Motor, 2) Honda R&D , 3) Honda Motor, 4) Honda Motor
Abstract(J)エンジンのトルク変動に起因する課題事象の解析効率を向上させるため,バーチャル・アンド・リアル・シミュレータに用いるダイナモを改良した.再現周波数領域拡大のため,ダイナモ構成部品の寄与度を1D CAEを用いて明確にし,構造変更を実施した.その結果,トルク変動の再現周波数を拡大し,4気筒及び6気筒エンジンでNVが課題となる運転領域において,バーチャル・アンド・リアル・シミュレータで解析できるようになった.このベンチシステムを用いることで,ラトルノイズなど,エンジントルク変動に起因する駆動系ねじり振動のメカニズム解析を部品の組み替えをすることなく試験できるようになった.本研究は,エンジントルク変動に起因する駆動系ねじり振動課題の解析効率向上を実現し,早期仕様決定に貢献できる.

Translation

Abstract(E)The dynamometer used in a Virtual and Real Simulator was enhanced to increase the analysis efficiency of issues and events arising from engine torque fluctuation. The contribution of the dynamometer components was clarified using 1D CAE and structural changes were made to expand the reproducible frequency range. As a result, the reproducible torque fluctuation frequencies were expanded, and analysis could be performed using a Virtual and Real Simulator in the operating range where noise and vibration are issues in 4-cylinder and 6-cylinder engines. This bench system can be used to test analyses of mechanisms of drivetrain torsional vibration, such as rattle noise, arising from engine torque fluctuation, without recombining parts. This research can enhance the analysis efficiency of drivetrain torsional vibration issues arising from engine torque fluctuation and contribute to early determination of specifications.

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