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US 2004/0018399 A1Published application
Method and system for controlling fuel-cell power for fuel-cell hybrid electric vehicle
OwnerJin-Hwan Junginventor
Life of this patent
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Abstract
A fuel-cell power control method for a fuel-cell hybrid electric vehicle is provided, which comprises determining a target fuel-cell power based on motor power demand and a state of charge of a battery. Furthermore, the method comprises determining a target fuel-cell voltage responding to the target fuel-cell power and controlling a voltage of a fuel-cell to be the target fuel-cell voltage.
Claims6
A fuel-cell power control method for a fuel-cell hybrid electric vehicle, comprising:
- determining a target fuel-cell power based on motor power demand and a state of charge of a battery;
- determining a target fuel-cell voltage responding to said target fuel-cell power;
- and
- controlling a voltage of a fuel-cell to be said target fuel-cell voltage.
1 more element
A fuel-cell power control system for a fuel-cell hybrid electric vehicle including a fuel-cell and a battery as electric energy sources, comprising:
- a DC/DC converter electrically coupled to said battery, and configured to control a battery current and a battery voltage;
- and
- a control unit coupled to said DC/DC converter, said control unit being programmed to execute a control method comprising:
- determining a target fuel-cell power based on motor power demand and a state of charge of said battery;
- determining a target fuel-cell voltage responding to said target fuel-cell power;
- and
- controlling a voltage of said fuel-cell to be said target fuel-cell voltage.
4 more elements
Dependencies are inferred from the claim text.