驾驶意图对轮毂电机制动能量回收的研究

Effect of Driving Intention Recognition on Braking Energy Recovery of Four-wheel-drive Electric Vehicle

对驾驶员的驾驶意图进行判断能够有效地提高汽车制动能量回收。针对四轮驱动电动汽车的制动能量回收问题,结合ECE法规、电机特性、电池SOC等主要限制条件建立了针对不同制动驾驶意图下的制动力分配策略。通过MATLAB/Simulink平台进行建模仿真来验证制动策略的合规性。结果表明,所建立的针对不同制动驾驶意图下的制动力分配策略,在不同的制动初始车速下都具有有效性,其制动距离也符合国家标准。

Judge to the purpose of the driver can effectively improve the vehicle braking energy recovery.Aiming at the problem of braking energy recovery of four-wheel-drive electric vehicle,combining with the main constraints of the ECE regulations,the characteristics of the motor and battery SOC,the braking force distribution strategy under different braking driving intention is established.Through MATLAB/Simulink platform for modeling and simulation,compliance braking strategy is verified.The results show that the braking force distribution strategy established different brake driving intention is effective at the initial braking speed,and its braking distance is also in line with national standards.