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公开(公告)号：US20240131935A1
公开(公告)日：2024-04-25
申请号：US17969858
申请日：2022-10-19
发明人： Hanyang CHEN , Michael J Irby
CPC分类号： B60L15/20 , B60L50/60 , G07C5/0808 , G07C5/0825 , B60L2210/10 , B60L2250/26
摘要： An electrified vehicle includes a traction battery coupled to an electric machine that provides propulsive force, an auxiliary battery, a voltage converter coupled to the traction battery and configured to convert traction battery voltage to auxiliary battery voltage, and a controller programmed to control the voltage converter to provide either a non-oscillating voltage above a first voltage threshold, or an oscillating voltage having a peak below the first voltage threshold based on a vehicle start signal and a vehicle brake pedal position signal. The controller may control the voltage converter to provide the non-oscillating voltage in response to the vehicle start signal being received while the brake pedal position signal indicates a released brake pedal, and to provide the oscillating voltage in response to the vehicle start signal being received while the brake pedal position signal indicates a depressed brake pedal.
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公开(公告)号：US20240227576A9
公开(公告)日：2024-07-11
申请号：US17969858
申请日：2022-10-20
发明人： Hanyang CHEN , Michael J Irby
CPC分类号： B60L15/20 , B60L50/60 , G07C5/0808 , G07C5/0825 , B60L2210/10 , B60L2250/26
摘要： An electrified vehicle includes a traction battery coupled to an electric machine that provides propulsive force, an auxiliary battery, a voltage converter coupled to the traction battery and configured to convert traction battery voltage to auxiliary battery voltage, and a controller programmed to control the voltage converter to provide either a non-oscillating voltage above a first voltage threshold, or an oscillating voltage having a peak below the first voltage threshold based on a vehicle start signal and a vehicle brake pedal position signal. The controller may control the voltage converter to provide the non-oscillating voltage in response to the vehicle start signal being received while the brake pedal position signal indicates a released brake pedal, and to provide the oscillating voltage in response to the vehicle start signal being received while the brake pedal position signal indicates a depressed brake pedal.
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公开(公告)号：US20210099007A1
公开(公告)日：2021-04-01
申请号：US16589785
申请日：2019-10-01
发明人： Hanyang CHEN , Michael J. IRBY
IPC分类号： H02J7/14 , F02N11/08 , F02D29/06 , G01R31/382
摘要： A vehicle includes an engine having a throttle body, a battery, e.g., a 12-volt battery, and a battery-charging system electrically connected to the battery and configured to convert mechanical motion of the engine into electricity to charge the battery. A controller of the vehicle is programmed to, in response to an opening of the throttle body being less than an opening threshold and a state of charge of the battery (battery SOC) being less than a first charge threshold, set the battery-charging system to output a first power, wherein the charge threshold is based on a measured capacity of the battery and a measured key-off load. The controller is further programmed to, in response to the opening being less than the opening threshold and the battery SOC exceeding the first charge threshold but being less than a second charge threshold, set the battery-charging system to output a second power that is less than the first power.
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