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    • 6. 发明申请
    • METHOD AND APPARATUS FOR PREVENTING OVER-SHIFTING ON ELECTRIC VEHICLES
    • 用于防止电动车辆超车的方法和装置
    • WO2014113797A1
    • 2014-07-24
    • PCT/US2014/012342
    • 2014-01-21
    • BRAMMO, INC.
    • RIEGELS, Daniel, M.
    • F16H61/18F16H61/16F16H3/44B60W10/10
    • B60W10/08B60W10/11B60W30/1884B60W2510/08B60W2510/081B60Y2200/91F16H61/16F16H2061/166
    • Methods and apparatus are provided for preventing over-shifting in electric vehicles having a multi-gear transmission and an electric motor operable in a drive mode and a regenerative braking mode. The method includes: (a) predicting the speed of the electric motor resulting from downshifting from a current gear being used to a next lower gear based on a current speed of the electric vehicle, a current speed of the electric motor, and a gear ratio of the next lower gear; (b) determining if the speed of the electric motor predicted in (a) will cause an overvoltage condition from regenerative braking or an overspin condition in the electric motor; (c) preventing downshifting to the next lower gear when it is determined that the downshifting will cause an overvoltage condition or an overspin condition in the electric motor; and (d) repeating steps (a), (b), and (c) a plurality of times.
    • 提供了一种用于防止具有多档传动装置的电动车辆和在驱动模式和再生制动模式下可操作的电动机的过度换档的方法和装置。 该方法包括:(a)基于电动车辆的当前速度,电动机的当前速度和齿轮比来预测从当前使用的档位降档到下一个较低档的电动机的速度 的下一个低档; (b)确定(a)中预测的电动机的速度是否会导致电动机中的再生制动或过载状态的过电压状态; (c)当确定降档将导致电动机中的过电压状态或过冲状态时,防止降档到下一个低档位; 和(d)多次重复步骤(a),(b)和(c)。