Control device for fuel cell vehicle

Details Control device for fuel cell vehicle Control device for fuel cell vehicle

2007-02-13

2007-02-13

Chin, Gary (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Electric vehicle

C429S006000, C429S006000, C180S065310, C180S065800

Reexamination Certificate

active

10171107

ABSTRACT:
The present invention intends to provide a control device for a fuel cell vehicle which suppresses the deterioration of driveability upon acceleration without increasing the size of a driving electric motor or a motor driver. When a requested output (PD_CAL) exceeds a first output limit determined depending on a continuous output rating of an electric motor10or a motor driver5and an increasing rate of the requested output (PD_CAL) exceeds a reference increasing rate, an upper-limit target output determining unit52determines an assist time used as a time during which the electric motor10can be operated continuously by the requested output (PD_CAL) on the basis of the requested output (PD_CAL) and an open-circuit voltage (Vcap_o) of a capacitor3.Until the assist time is elapsed, the upper-limit target output (PD_LMT) is set to a second output limit (>the first output limit) determined depending on a short-time output rating of the electric motor10or the motor driver5.

REFERENCES:
patent: 6684135 (2004-01-01), Uenodai et al.
patent: 6691810 (2004-02-01), Hasuka et al.
patent: 6899968 (2005-05-01), Hasuka et al.
patent: 2003/0008188 (2003-01-01), Aoyagi et al.
patent: 2004/0136211 (2004-07-01), Itou

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