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  • Summary & Details

Measurement of Rattle Behavior and Backlash Modeling in Automatic Transmissions

ATにおける歯打ち挙動計測とバックラッシュのモデル化

Detailed Information

Author(J)1) 森田 聖惇, 2) 今西 健介, 3) 鈴木 康太郎, 4) 近末 竜, 5) 陳 宇
Author(E)1) Seijun Morita, 2) Kensuke Imanishi, 3) Kotaro Suzuki, 4) Ryu Chikasue, 5) Yu Chen
Affiliation(J)1) マツダ, 2) マツダ, 3) マツダ, 4) マツダ, 5) マツダ
Affiliation(E)1) Mazda, 2) Mazda, 3) Mazda, 4) Mazda, 5) Mazda
Abstract(J)ATにおいてロックアップ領域の拡大,またはトルクコンバータレス構造とすることで環境性能と走行性能を向上できる一方,歯打ち音発生リスクが高くなる.AT内部のバックラッシュ前後の角速度を計測し,運転条件毎の歯打ち発生有無を特定した.計測結果に基づき,歯打ち速度を再現可能なバックラッシュモデルを構築した.

Translation

Abstract(E)In automatic transmissions (ATs), expanding the lock-up area or adopting a torque-converter-less structure can improve environmental and driving performance, but it also increases the risk of rattle noise. By measuring the angular velocities both sides of the backlash inside the AT, the rattle occurrence state for each driving condition were identified. Based on measurement results, the backlash model capable of reproducing backlash collision velocities was constructed.

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