Reaction Force Feedback of Tire Non-Linearity for Driving Safety of Steer-by-Wire System
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- 価格
- 一般価格(税込):¥1,100 会員価格(税込):¥880
- 文献番号
- 20219063
- 文献・情報種別
- その他の国際会議
- 掲載ページ
- 1-6(Total 6 p)
- 発行年月
- 2021年 9月
- 出版社
- (公社)自動車技術会
- 言語
- 英語
書誌事項
著者(英) | 1) Go Sakayori, 2) Kenta Maeda, 3) Hua-Jun Liu, 4) Atsushi Hirata, 5) Yasuhito Nakakuki |
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勤務先(英) | 1) Hitachi, Ltd., 2) Hitachi, Ltd., 3) Hitachi Astemo, Ltd., 4) Hitachi Astemo, Ltd., 5) Hitachi Astemo, Ltd. |
抄録(英) | Steer-by-Wire (SBW) systems are being developed as a new ADAS technology for vehicle lateral motion control. SBW is a concept to replace the mechanical shaft with electrical wire connection, which allows vehicle motion to be controlled by two separated actuators. The design of the artificial counterforce to the driver is important to make the driver comfortable and stable while driving. In this paper, we propose a tire-nonlinearity estimation method for clutch-less SBW equipped vehicles, and a counterforce generation method using the tire non-linearity information. Recursive least squares method was employed to estimate the relationship between the vehicle lateral acceleration and road wheel actuator motor torque. With the obtained values we calculated the tire non-linearity, which was used for designing the counterforce. The proposed method was verified by using driving simulator, and the results showed that the subject was able to recognize the tire non-linearity state by feeling the additional counterforce. 翻訳 |