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김승기(Seungki Kim),황성욱(Sungwook Hwang),이상호(Sangho Lee),김남한(Namhan Kim),유제명(Jaemyung Ryu),정상호(Sangho Jung) 한국자동차공학회 2018 한국자동차공학회 부문종합 학술대회 Vol.2018 No.6
The purpose of this study is to develop the ESA(Evasive Steering Assist) logic that provide the assist steering for collision avoidance in a frontal collision situation. The proposed ESA logic utilizes only the traditional chassis control system, such as the RWS, ESC, ECS and MDPS systems to prevent weight increase and cost increase. When collision case, the proposed ESA logic calculate the proper toe angle of rear wheels (for RWS), partial brake pressure (for ESC), suspension damping force (for ECS) and steering column torque (for MDPS). As a result, the yaw-rate response of the vehicle is increased and the vehicle is controlled to avoid the frontal collision. The proposed ESA logic is designed on commercial software, MATLAB/Simulink, and the performance of this logic is verified through the HILS (Hardware-In-the-Loop Simulation) and vehicle experiments.