http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
배상홍(Sanghong Bae),임봉기(Bonggi Lim),조정민(Jungmin Cho) 한국자동차공학회 2023 한국자동차공학회 학술대회 및 전시회 Vol.2023 No.11
In this paper, we propose a logic to improve the phenomenon of steering wheel torque variation when the RWS system is operated. General control strategies for RWS system are well known for out-of-phase control to improve steering convenience at low speeds and in-phase control to increase vehicle stability at mid-high speeds. The steering torque of the front wheels increases when the RWS system is controlled in-phase, and the steering torque decreases when the out-of-phase is controlled. The compensation logic compensates for the torque variation in the steering wheel to provide a constant steering torque to the driver. Tests have been conducted through the actual vehicle with compensation logic to verify the effectiveness of the logic, and based on these results, it has been confirmed that the performance of the vehicle is improved.
자율주행 차로 유지 성능 개선을 위한 RWS 제어 전략
배상홍(Sanghong Bae),권재준(Jaejoon Kwon),민경욱(Kyoungwook Min),임경수(Kyoungsoo Lim),오세욱(Sewook Oh) 한국자동차공학회 2022 한국자동차공학회 부문종합 학술대회 Vol.2022 No.6
This paper proposes a new control strategy of RWS system for improving lane following performance of autonomous driving, not the well-known general control strategy of the RWS system. The general control strategy of the RWS system is well known as out-of-phase control to increase steering convenience at low speeds and in-phase control to increase vehicle stability at mid-high speeds. The new control strategy is proposed based on the fact that the cornering characteristic of the vehicle shows a tendency to oversteer when performing out-of-phase control instead of in-phase control at mid-high speeds. The new control strategy increases vehicle responsiveness and ultimately minimizes the change in front wheel steering fluctuation by performing RWS out-of-phase control in the mid-high speeds on-center area corresponding to the lane following situation of autonomous driving. The effectiveness of the new control strategy was verified through an actual vehicle test, and based on this result, it was confirmed that this control strategy was helpful in improving the lane following performance.