著者

瀧下 謙一 米田 篤彦 清水 康夫

出版者

一般社団法人 日本機械学会

雑誌

日本機械学会論文集 (ISSN:21879761)

巻号頁・発行日

vol.81, no.827, pp.15-00101-15-00101, 2015 (Released:2015-07-25)

参考文献数

4

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In this paper, we focused on the fact that the ease of driving changed according to torsional rigidity of the electric power steering system for the purpose of the improvement in control performance of vehicle. First, the influence on transfer characteristics from a steering angle(steering wheel) to front wheel angle(front tires) by torsional rigidity was considered theoretically. As a result, it turned out that a front wheel angle was determined by not only a steering angle but also the influence of the dynamic state of vehicle, and it was shown that the influence of the dynamic state of vehicle can be shut by making steering torsional rigidity into high torsional rigidity. Next, the validity of a theoretical verification was confirmed through numerical simulation of steering correction at the time of a disturbance input. Finally, the lower limit value of torsional rigidity for practical use of a high torsional rigidity steering was determined.