3D 가변 조향 비 맵을 이용한 AFS와 ESC 통합 제어기의 설계

조정민; 박장희; 김승기; 허건수

상세 보기

3D 가변 조향 비 맵을 이용한 AFS와 ESC 통합 제어기의 설계

Development of the Unified Chassis Controller : Integration of ESC and AFS based 3D Variable Steering Ratio Map

조정민;
박장희;
김승기;
허건수

초록

The purpose of this study is to design an UCC(Unified Chassis Controller) composed of AFS(Active Front Steering), which is based on 3D VSR(Variable Steering Ratio) map, and ESC(Electronic Stability Control). AFS and ESC control the yaw motion and side-slip angle of vehicle to improve steering performance and driving stability. The proposed 3D VSR map is made up with longitudinal velocity and steering angle considering the yaw rate gain and steering sensitivity. The gear ratio decreases to relieve a burden of drivers and increases to improve maneuver stability at low and high speed, respectively. In addition, the purposed VSR map takes account of steering angle to cope with emergency. Desired yaw rate is calculated from bicycle model and tracked by model predictive control(MPC). The proposed algorithm is validated by using the computer simulation software, CarSim and MATLAB/Simulink.

키워드

Unified Chassis Control(UCC, 통합 샤시 제어기); Active front steering(AFS, 능동 전륜 조향); Variable steering ratio(VSR, 가변 조향비); Variable gear ratio(VGR, 가변 기어비); Model predictive control(MPC, 모델 예측 제어); Vehicle dynamics(차량 동역학); Vehicle stability(차량 안정성)

제목: 3D 가변 조향 비 맵을 이용한 AFS와 ESC 통합 제어기의 설계

제목 (타언어): Development of the Unified Chassis Controller : Integration of ESC and AFS based 3D Variable Steering Ratio Map

저자: 조정민; 박장희; 김승기; 허건수

발행일: 2016-05

유형: Proceeding

저널명: 2016 한국자동차공학회 춘계학술대회

페이지: 327 ~ 332