Steering arrangement for a driverless vehicle

G - Physics – 05 – D

Patent

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Details

G05D 1/02 (2006.01) B62D 5/30 (2006.01) B62D 9/00 (2006.01)

Patent

CA 2650134

A driverless vehicle, for example for a passenger rapid transport (PRT) system, comprises steered wheels (2, 4) which are steerable both by means of a linkage including a track rod (14) driven by a steering motor (38), and by differential torque applied by drive motors (20, 22). The motors (20, 22 and 38) are controlled in response to signals representing the deviation of the vehicle from a desired path. If either of the motor (38) or either of the motors (20, 22) fails, then steering may be maintained by the remaining motors.

L'invention concerne un véhicule sans conducteur, par exemple pour système de transport rapide de passagers (PRT), qui comprend des roues directrices (2,4) qui peuvent être orientées à la fois au moyen d'une tringlerie comprenant une barre d'accouplement (14) entraînée par un moteur de direction (38) et par un couple différentiel appliqué par des moteurs d'entraînement (20, 22). Les moteurs (20, 22 et 38) sont commandés en réponse à des signaux représentant la déviation du véhicule d'une trajectoire désirée. Si le moteur (38) ou l'un ou l'autre des moteurs (20, 22) tombe en panne, la direction peut être maintenue par les moteurs restants.

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