Author(s)

Takahiko Yoshino, Hiromichi Nozaki

Department of Mechanical Engineering, University of Kogakuin, Tokyo, Japan.

In recent years, the conversion of vehicles to electric power has been accelerating, and if a full conversion to electric power is achieved, further advancements in vehicle kinematic control technology are expected. Therefore, it is thought that kinematic performance in the critical cornering range could be further improved by significantly controlling not only the steering angle but also the camber angle of the tires through the use of electromagnetic actuators. This research focused on a method of ground negative camber angle control that is proportional to the steering angle as a technique to improve maneuverability and stability to support the new era of electric vehicles, and the effectiveness thereof was clarified. As a result, it was found that in the critical cornering range as well, camber angle control can control both the yaw moment and lateral acceleration at the turning limit. It was also confirmed that both stability and the steering effect in the critical cornering range are improved by implementing ground negative camber angle control that is proportional to the steering angle using actuators. Dramatic improvements in cornering limit performance can be achieved by implementing ground negative camber angle control that is proportional to the steering angle.

Motion Control, Automobile, Vehicle Dynamics, Maneuverability, Camber Angle Control

Yoshino, T. and Nozaki, H. (2014) Camber Angle Control Method Corresponding to the Electric Vehicle Age. Engineering, 6, 472-484. doi: 10.4236/eng.2014.68049.