Exploring the potential of camber control to improve vehicles' energy efficiency during cornering

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Actively controlling the camber angle to improve energy efficiency has recently gained interest due to the importance of reducing energy consumption and the driveline electrification trend that makes cost-efficient implementation of actuators possible. To analyse how much energy that can be saved with camber control, the effect of changing the camber angles on the forces and moments of the tyre under different driving conditions should be considered. In this paper, Magic Formula tyre models for combined slip and camber are used for simulation of energy analysis. The components of power loss during cornering are formulated and used to explain the influence that camber angles have on the power loss. For the studied driving paths and the assumed driver model, the simulation results show that active camber control can have considerable influence on power loss during cornering. Different combinations of camber angles are simulated, and a camber control algorithm is proposed and verified in simulation. The results show that the camber controller has very promising application prospects for energy-efficient cornering.




Sun, P., Trigell, A. S., Drugge, L., Jerrelind, J., & Jonasson, M. (2018). Exploring the potential of camber control to improve vehicles’ energy efficiency during cornering. Energies, 11(4). https://doi.org/10.3390/en11040724

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