Abstract
Abstract Distributed drive electric vehicle (DDEV) power-train provides several potential advantages such as flexibility, controllability, and responsiveness over conventional power-trains. The precise distribution of driving and braking torque of such configuration is crucially vital for improving the overall performance and efficiency of the vehicles. This paper proposes a new electronic differential (ED)-based traction control (TC) strategy for a DDEV. The ED overcomes the drawbacks associated with the conventional mechanical differential (MD) and improves the vehicle’s overall efficiency. This work proposes a steering-dependent ED control strategy to stabilize the DDEV at various cornering maneuvers. The primary focus of this work is to reduce the system complexity and improve the overall driving efficiency with the use of look up table. In addition to that, a TC system is introduced, which is associated with the ED system relying on road–tire interaction to regulate the wheel slip during traction and braking conditions. The look-up table is a method that may allow integration of the proposed system in the DDEV controller. Therefore in practice, the proposed model can execute in a real-time platform without the requirement of high processing power and additional hardware units. This work examines a software simulation environment with the necessary constraints for the vehicle geometry. The results affirm the effectiveness of the proposed work.KeywordsElectronic differential (ED)Traction control (TC)Distributed drive electric vehicle (DDEV)Mechanical differential (MD)Slip ratio
Published Version
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