Abstract
Previously, we developed a new control concept called ‘G-Vectoring control (GVC)’ to improve vehicle agility and stability. GVC is an automatic longitudinal acceleration control method that responds to vehicle lateral jerk caused by a driver's steering manoeuvres. In this paper, we compare GVC with the well-known direct yaw-moment control (DYC) method for daily driving ranges in particular. GVC shows good manoeuvrability (i.e. enhances both yawing and lateral acceleration) performance while maintaining a natural yaw and roll feeling in the early stage of cornering, while DYC is effective in improving vehicle stability during large lateral motions. We also re-review our previously proposed ‘hybrid control’ method that combines the strengths of GVC and DYC. A side-by-side test carried out for the hybrid control method and DYC only confirms the effectiveness of the hybrid control method.
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