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    • 4. 发明授权
    • System and method for controlling a vehicle having a single-wire actuator
    • 用于控制具有单线致动器的车辆的系统和方法
    • US08977417B2
    • 2015-03-10
    • US13838946
    • 2013-03-15
    • Ford Global Technologies, LLC
    • Justin R. BadgerAngel Fernando PorrasMichael Paul LindlbauerChristopher Adam Ochocinski
    • B60W20/00B60H1/00B60H1/22
    • B60W20/00B60H1/00385B60H1/2218B60H2001/2253Y10S903/903
    • A system and method for determining functionality of a single signal wire actuator of a vehicle monitor the signal wire for a heartbeat signal after commanding the actuator and waiting for a self-diagnostic period. In one embodiment, a hybrid vehicle includes an engine, an electric heater, a heater core and a valve positioned to route coolant through an engine and/or an electric heater. An actuator positioned to circulate coolant through the electric heater and the heater core is configured to transmit a heartbeat signal while connected to a power source and a ground terminal. A vehicle controller may be configured to store a diagnostic code, start the engine and/or control the valve to selectively route coolant through the engine and the heater core in response to a heat request and the heartbeat signal not being received from the actuator within a predetermined interval of time.
    • 用于确定车辆的单个信号线致动器的功能的系统和方法在命令执行器之后监视用于心跳信号的信号线并等待自诊断周期。 在一个实施例中,混合动力车辆包括发动机,电加热器,加热器芯和定位成将冷却剂引导通过发动机和/或电加热器的阀。 定位成使冷却剂循环通过电加热器和加热器芯的致动器被配置为在连接到电源和接地端子时发送心跳信号。 车辆控制器可以被配置为存储诊断代码,启动发动机和/或控制阀,以响应于热量请求选择性地将冷却剂路径通过发动机和加热器核心,并且心脏信号未被从致动器中接收 预定的时间间隔。