Exploring the Potential of Camber Control to Improve Vehicles’ Energy Efficiency during Cornering

Peikun Sun, Annika Stensson Trigell, Lars Drugge, Jenny Jerrelind and Mats Jonasson
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Peikun Sun: KTH Vehicle Dynamics, Department of Aeronautical and Vehicle Engineering, KTH Royal Institute of Technology, Teknikringen 8, SE-100 44 Stockholm, Sweden
Annika Stensson Trigell: KTH Vehicle Dynamics, Department of Aeronautical and Vehicle Engineering, KTH Royal Institute of Technology, Teknikringen 8, SE-100 44 Stockholm, Sweden
Lars Drugge: KTH Vehicle Dynamics, Department of Aeronautical and Vehicle Engineering, KTH Royal Institute of Technology, Teknikringen 8, SE-100 44 Stockholm, Sweden
Jenny Jerrelind: KTH Vehicle Dynamics, Department of Aeronautical and Vehicle Engineering, KTH Royal Institute of Technology, Teknikringen 8, SE-100 44 Stockholm, Sweden
Mats Jonasson: KTH Vehicle Dynamics, Department of Aeronautical and Vehicle Engineering, KTH Royal Institute of Technology, Teknikringen 8, SE-100 44 Stockholm, Sweden

Energies, 2018, vol. 11, issue 4, 1-21

Abstract: 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.

Keywords: energy saving; cornering; camber; Magic Formula (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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