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Steer-by-Wire의 조향 반력 제어 유닛 개발에 대한 연구
이상준(Sangjun Lee),이용권(Yongkwon Lee),정현진(Hyunjin Jeong),이민혁(Minhyuk Lee) 한국자동차공학회 2019 한국자동차공학회 학술대회 및 전시회 Vol.2019 No.11
This paper is about Steer-by-Wire of the next generation steering system to be applied to autonomous driving vehicles. This paper covers a study of the Force Feedback Unit in the Steer-by-Wire system that affects the driver’s steering feel. To provide the driver with the same steering feel as the existing Electronic Power Steering system, we selected the target vehicle. And then, we measured and analyzed the results of the Electronic Power Steering system evaluation and applied them to the study before starting the study. To design the Force Feedback Unit, we analyzed the dynamic motion of the vehicle and related parameters and applied them to the vehicle dynamics simulation (dSPACE, ASM). In the Steer-by-Wire system, the column’s Force Feedback Unit control algorithm was model-based designed and the performance was validated at the Hardware in the Loop level.