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首页> 外文期刊>International Journal of Automotive Technology >Development of Torque Vectoring Control Algorithm for Front Wheel Driven Dual Motor System and Evaluation of Vehicle Dynamics Performance
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Development of Torque Vectoring Control Algorithm for Front Wheel Driven Dual Motor System and Evaluation of Vehicle Dynamics Performance

机译：前轮驱动双电机系统扭矩矢量控制算法及车辆动力学性能评估

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摘要

This study developed a control algorithm of torque vectoring system to improve the handling performance of a green-car and evaluate the performance of vehicle dynamics to improve the controllability and stability. Firstly, this study configured the control algorithm with the supervisory controller that decides the control mode by checking the current driving status of a vehicle, target yawrate calculator that reflects the steady-state and transient-state response characteristics according to the control mode, as well as the reference yawrate calculation, desired yaw moment calculation and transferred torque calculation. The control mode consists of the agile mode that controls the torque vectoring to improve the controllability and the safe mode that controls the torque vectoring to improve stability. Secondly, this study performed the modeling of the dual motor type torque vectoring system and an EV AWD vehicle. Lastly, this study defined the driving test scenario and evaluation method as well as the quantitative performance index for each vehicle test and established the co-simulation environment for the handling test evaluation. This study found that when a vehicle is controlled by applying the torque vectoring system, handling performance was improved according to controllability and safe mode by verifying the simulation.
机译：本研究开发了一种扭矩矢量系统的控制算法，提高了绿色汽车的处理性能，评价车辆动力学的性能，提高可控性和稳定性。首先，该研究将控制算法与监控算法配置了通过检查车辆的当前驾驶状态，目标yawrate计算器根据控制模式反映稳态和瞬态状态响应特性的控制模式，同样作为参考yawrate计算，所需的横摆力矩计算和转移扭矩计算。控制模式包括控制扭矩矢量的敏捷模式，以提高控制扭矩矢量的可控性和安全模式以提高稳定性。其次，该研究执行了双电动机型扭矩矢量系统和EV AWD车辆的建模。最后，本研究定义了驾驶测试场景和评估方法以及每个车辆测试的定量性能指标，并建立了处理测试评估的共模仿真环境。该研究发现，当通过施加扭矩矢量系统来控制车辆时，通过验证模拟，根据可控性和安全模式改善处理性能。

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