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Summary & Details

Study of Pinion Gear Support Structure in Electric Power Steering System

EPSシステムのピニオンギヤ支持構造に関する一考察

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Format: PDF

Price: Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880

Publication code: 20266057

Paper/Info type: Proceedings (Autumn)

No.104-26

Pages: 1-2(Total 2 p)

Date of publication: Oct 2026

Publisher: JSAE

Language: Japanese

Event: 2026 JSAE Annual Congress (Autumn)

Detailed Information

Author(J)	1) 三好尚
Author(E)	1) Takashi Miyoshi
Affiliation(J)	1) 本田技術研究所
Affiliation(E)	1) Honda R&D
Abstract(J)	本研究では，ダイレクトな操舵感を実現するため，EPSにおけるトーションバーを含むピニオンギヤの支持構造に求められる機械的性能を検討した．その結果，ピニオンギヤに作用する横荷重と変位の線形性がダイレクト感へ寄与度することが明確となったため，操舵感向上に寄与し得る新構造を提案する． Translation
Abstract(E)	This study investigated the mechanical performance required for the pinion gear support structure, including the torsion bar, in an EPS (Electric Power Steering) system to achieve a direct steering feel. The results clearly showed that the linearity of the side force and displacement acting on the pinion gear contributes to the direct steering feel. Therefore, we propose a new structure that can contribute to enhancing steering feel.

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