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    • 7. 发明申请
    • SYSTEM AND METHOD FOR CONTROLLING THE CHANGE IN MODE OF AN INFINITELY VARIABLE TRANSMISSION IN PURELY ELECTRIC MODE
    • 用于控制电动模式下无限可变变速器模式变化的系统和方法
    • US20110125355A1
    • 2011-05-26
    • US12936487
    • 2009-05-04
    • Ahmed Ketfi-CherifGareth PugsleyPhilippe Pognant-Gros
    • Ahmed Ketfi-CherifGareth PugsleyPhilippe Pognant-Gros
    • B60W20/00B60W10/06B60W10/10
    • B60W20/10B60K6/445B60L2240/423B60W10/06B60W10/08B60W20/00B60W2710/0644B60W2710/083F16H3/728F16H2037/102F16H2037/106Y02T10/6239Y02T10/6286Y02T10/642Y02T10/7258
    • A system for controlling change in mode of an infinitely variable transmission including a first operation mode at high torque at high speed and a second operation mode at high torque at low speed, fitted to a motor vehicle that includes at least two electric machines, with at least one internal combustion engine. The infinitely variable transmission connected mechanically to the electric machines and to the internal combustion engine determines the internal combustion engine rotation speed setpoint; calculates the difference between the internal combustion engine rotation speed setpoint and the internal combustion engine rotation speed measurement; determines torque of the first electric machine to determine a torque setpoint for the first electric machine as a function of the difference between the rotation speed setpoint of the internal combustion engine and the measured rotation speed of the internal combustion engine; determines a torque setpoint for the second electric machine as a function of the torque setpoint of the first electric machine and the driver's demand for torque. The control system can control the second electric machine so that the change in mode can be performed while the vehicle is being propelled, before and after the change in mode, under sole action of at least one electric machine.
    • 一种用于控制无级变速器的模式变化的系统,其包括在高速下的高扭矩的第一操作模式和低速下的高扭矩的第二操作模式,所述系统安装在包括至少两个电机的机动车辆上, 至少一个内燃机。 将机械连接到电机和内燃机的无级变速器确定内燃机转速设定值; 计算内燃机转速设定值与内燃机转速测量之间的差值; 确定所述第一电机的扭矩,以根据所述内燃机的转速设定点与所测量的所述内燃机的转速之间的差异来确定所述第一电机的转矩设定点; 根据第一电机的转矩设定值和驾驶员对转矩的要求,确定第二电机的转矩设定值。 控制系统可以控制第二电机,以便在至少一台电机的唯一作用下,在车辆被推动之前,之后和之后,可以执行模式的改变。