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  • Summary & Details

Motor Bearing Rattle in Electric Powertrains (Second Report) Development of the Design Method for Rattle Suppression

電動パワートレインのモータベアリング打音 (第2報)打音抑制のための設計手法構築

Detailed Information

Author(J)1) 小林 大介, 2) 近藤 慎平, 3) 浅井 尭之, 4) 橋本 真, 5) 川東 勇輝, 6) 田中 哲郎
Author(E)1) Daisuke Kobayashi, 2) Shinpei Kondo, 3) Takayuki Asai, 4) Shin Hashimoto, 5) Yuki Kawahigashi, 6) Tetsuro Tanaka
Affiliation(J)1) 日産自動車, 2) 日産自動車, 3) 日産自動車, 4) 日産自動車, 5) 日産オートモーティブテクノロジー, 6) 日産オートモーティブテクノロジー
Affiliation(E)1) Nissan Motor, 2) Nissan Motor, 3) Nissan Motor, 4) Nissan Motor, 5) Nissan Automotive Technology, 6) Nissan Automotive Technology
Abstract(J)第1報にて明らかにした電動パワートレインの軸挙動メカニズムに基づき,本報では軸の姿勢制御による異音抑制を目的とした設計プロセスを提案する.軸挙動解析を部品設計に適用可能な手法として取り入れ,異音の定量予測を可能とすることで,コストと効率およびNVHの均衡に優れた仕様の設計手法を構築した.

Translation

Abstract(E)Based on the shaft dynamic behavior mechanism of the electric powertrain clarified in the first report, this study proposes a design process for noise suppression through shaft dynamic behavior control. Shaft dynamic behavior analysis is incorporated as an evaluation method applicable to component design, enabling the quantitative prediction of abnormal noise. This approach enables a superior balance among cost, efficiency, and NVH performance in electric powertrains.

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