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    • 4. 发明申请
    • ELECTRIC PROPULSION SYSTEM FOR A VEHICLE
    • 用于车辆的电动推进系统
    • WO2016119811A1
    • 2016-08-04
    • PCT/EP2015/025001
    • 2015-01-26
    • VOLVO TRUCK CORPORATION
    • STORM, Jonas
    • B60L11/18B60K6/52B60W10/08B60W10/26B60W20/00B60W30/18
    • B60K6/52B60L11/1801B60L11/1861B60L2220/42B60W10/08B60W10/26B60W20/00B60W20/14B60W30/18127B60W2510/244B60W2710/244B60Y2200/912Y02T10/6265Y02T10/646Y02T10/7005Y02T10/7044Y02T10/705
    • The invention relates to a vehicle (1) provided with an electric propulsion system (2) and a method for controlling the electric propulsion system (2). The system (2) comprises a first Electrical Motor (EMI) connected via first Electrical Connections (ECl) to an on-board Energy Storage System (ESS1) and drivingly connected to wheels (3, 3'). The system further comprises a second Electrical Motor (EM2) connected via second Electrical Connections (EC2) to one or several electrical energy sources and drivingly connected to wheels (3, 3"). The system is controlled by an Electronic Control Unit (ECU) and the Electrical Motors (EMI, EM2) are used in dependence of the State Of Charge (SOC) level in the first Energy Storage System (ESS1) and the availability of electrical energy for the second Electrical Motor (EM2). The ECU is programmed to comprise an energy transfer mode in which the use of the second Electric Motor (EM2) for propulsive force is increased and the use of the first Electric Motor (EMI) for regenerative breaking is increased when the State Of Charge (SOC) level in the first electrical Energy Storage System (ESS1) is below a defined level and it is estimated that there is more electrical energy available for the second Electrical Motor (EM2) than for the first Electrical Motor (EMI). This may for example be the case if the second Electrical Motor (EM2) is supplied by electric power from power collectors (4) in contact with an external power supply during travel. The system may be controlled such that the second Electrical Motor (EM2) is used for propulsion of the vehicle (1) simultaneously as the first Electrical Motor (EMI) is used for regenerative braking in order to charge said first electrical Energy Storage System (ESS1).
    • 本发明涉及一种具有电力推进系统(2)的车辆(1)和用于控制电动推进系统(2)的方法。 系统(2)包括通过第一电气连接(ECl)连接到车载能量存储系统(ESS1)并且驱动地连接到车轮(3,3')的第一电动机(EMI)。 该系统还包括通过第二电气连接(EC2)连接到一个或几个电能并且驱动地连接到车轮(3,3“)的第二电动机(EM2),该系统由电子控制单元(ECU) 和电动机(EMI,EM2)根据第一能量存储系统(ESS1)中的充电状态(SOC)水平和第二电动机(EM2)的电能的可用性使用,ECU被编程 包括能量传递模式,其中用于推进力的第二电动机(EM2)的使用增加,并且当在第二电动机(EM2)中的充电状态(SOC)水平时,使用用于再生中断的第一电动机(EMI) 第一电力储能系统(ESS1)低于规定的水平,估计第二电动机(EM2)的电能比第一电动机(EMI)多,这可能是例如cas e如果第二电动机(EM2)由在行驶期间与外部电源接触的集电器(4)的电力供应。 可以控制系统,使得当第一电动机(EMI)用于再生制动时,第二电动机(EM2)同时用于车辆(1)的推进,以便对所述第一电力储能系统(ESS1 )。