| 제목 |
DEVELOPMENT OF AN ELECTRIC ACTIVE ROLLCONTROL (ARC) ALGORITHM FOR A SUV |
| 분야 |
Chassis |
| 언어 |
English |
| 저자 |
K. JEON(KATECH), K. YI(Seoul National University), J. KIM(Hanwha), S. CHOI(KATECH), H. HWANG(KATECH), K. JANG(Hanwha) |
| Key Words |
ARC(Active Roll Control), Stabilizer bar, SUV(Sports Utility Vehicle), Roll moment distribution, Validation test |
| 초록 |
Cornering maneuvers with reduced body roll and without loss in comfort are leading requirements for car manufacturers. An electric active roll control (ARC) system controls body roll angle with motor-driven actuators installed in the centers of the front and rear stabilizer bars. A vehicle analysis model developed using a CarSim S/W was validated using vehicle test data. Two ARC algorithms for a sports utility vehicle (SUV) were designed using a sliding-mode control algorithm based on a nonlinear roll model and an estimated lateral acceleration based on a linearized roll model. Co-simulation with the Matlab simulink controller model and the CarSim vehicle model were conducted to evaluate the performance of two ARC control algorithms. To validate the ARC performance in a real vehicle, vehicle tests were conducted at KATECH proving ground using a small SUV equipped with two ARC actuators, upper and lower controllers and a few subsystems. From the simulation and vehicle validation test results, the proposed ARC control algorithm for the developed ARC actuator prototypes improves the vehicle’s dynamic performance. |
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