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http://dx.doi.org/10.14372/IEMEK.2022.17.5.257

A Study on the Performance Analysis of RSC (Roll Stability Control) for Driving Stability of Vehicles  

Kwon, Seong-Jin (Korea Automotive Technology Institute)
Publication Information
IEMEK Journal of Embedded Systems and Applications / v.17, no.5, 2022 , pp. 257-263 More about this Journal
Abstract
Active stabilizers use signals such as steering angle, yaw rate, and lateral acceleration to vary the roll stiffness of the front and rear suspension depending on the vehicle's driving conditions, and are attracting attention as RSC (Roll Stability Control) system that suppresses roll when turning and improves ride comfort when going straight. Various studies have been conducted in relation to active stabilizer bars and RSC systems. However, accurate modeling of passive stabilizer model and active stabilizer model and vehicle dynamics analysis result verification are insufficient, and performance result analysis related to vehicle roll angle estimation and electric motor control is insufficient. Therefore, in this study, an accurate vehicle dynamics model was constructed by measuring the passive/active stabilizer bar model and component parameters. Based on this, the analysis result with high reliability was derived by comparing the roll angle estimation algorithm based on the lateral acceleration and suspension of the vehicle with the actual vehicle driving test result. In addition, it was intended to accurately analyze the motor torque characteristics and roll reduction effects of the electric motor-driven RSC system.
Keywords
Active Stabilizer Bar; Roll Stability Control; Roll Angle. Roll Estimation; Motor Operating Point;
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