Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Automatic route guidance vehicle
Reexamination Certificate
2007-11-20
2007-11-20
Nguyen, Thu V. (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Automatic route guidance vehicle
Reexamination Certificate
active
10501951
ABSTRACT:
A control system for a powered vehicle describes a desired movement of the vehicle and communicates the movement to the vehicles drive system. The powered vehicle comprises a chassis and at least three rolling means mounted on the chassis for engaging a surface over which the vehicle moves. The drive system comprises at least two drive units, each comprising first and second driving means, co-operatively operable to provide both propulsion and steering of the drive units. The control system comprises a computing means for calculating a desired movement of the vehicle, wherein translation of the vehicle is calculated in the form of a continuous cubic function and rotation of the vehicle is calculated in the form of a linear function. The control system also comprises a communicating means for transmitting the desired movement to the at least two drive units to move the vehicle in accordance with the desired movement.
REFERENCES:
patent: 5416477 (1995-05-01), Shibata
patent: 5456332 (1995-10-01), Borenstein
patent: 5823884 (1998-10-01), Ager
patent: 6289270 (2001-09-01), Baumgarten
patent: 7-13622 (1995-01-01), None
International Search Report Apr. 17, 2003.
International Preliminary Examination Report Dec. 9, 2003.
Fainberg Jim
Philipson Niklas
Nguyen Thu V.
Visual Act Scandinavia AB
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