A method of controlling distribution of power to a traction motor of a plug-in electric vehicle having a plurality of on-board power sources. During operation in a normal mode, power is allocated in a normal power control relationship in response to an operator control input. During operation of the vehicle in a normal mode, power is depleted at a first rate. During operation in the derated mode, power is allocated in a derated power control relationship in response to an operator control input. During derated mode operation, power is depleted at a second rate that is less than the first rate to conserve power of the one or more on-board power sources. Responsive to information from the sensor identifying a vehicle condition indicative of a battery charge limit, operation in a derated mode may be initiated.
一种控制向插电式电动车辆的牵引电动机分配功率的方法,该插电式电动车辆具有多个车载电源。在以正常模式运行期间,响应于操作者控制输入,以正常功率控制关系分配功率。在车辆以正常模式运行期间,功率以第一速率耗尽。在以降额模式运行期间,响应于操作者控制输入,以降额功率控制关系分配功率。在降额模式运行期间,功率以小于第一速率的第二速率耗尽,以节省所述一个或更多个车载电源的功率。响应于来自传感器的信息识别指示电池电量限制的车辆状况,可以发起以降额模式运行。
Plug-in electric vehicle with derating traction control upon system failure
在系统失效时利用降额牵引控制的插电式电动车辆
2022-05-13
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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