A safety stoppage device (1) for an autonomous road vehicle (2) having control networks (11) and sensors (12), and an autonomous drive-control unit (13) for processing sensor- and communication-signals and providing control signals for lateral and longitudinal control. A primary brake-control unit (4) is arranged to monitor the longitudinal control signals for faults and upon determination of a such fault arranged to execute a longitudinal control profile, stored independent from the autonomous drive-control unit (13), to perform braking to a stop. A primary steering-control unit (8) is arranged to monitor the lateral control signals for faults and upon determination of a such fault arranged to control a primary steering actuator (9) to follow a lateral control trajectory, stored independent from the autonomous drive-control unit (13), and, if not already triggered, simultaneously trigger the primary brake-control unit (4) to execute the stored longitudinal control profile to control wheel brakes (6) to perform braking to a stop during execution of the lateral control trajectory.
SAFETY STOPPAGE DEVICE AND AUTONOMOUS ROAD VEHICLE EQUIPPED THEREWITH
SICHERHEITSSTOPPVORRICHTUNG UND AUTONOMES STRASSENFAHRZEUG DAMIT
DISPOSITIF D'ARRÊT DE SÉCURITÉ ET VÉHICULE ROUTIER AUTONOME EN ÉTANT ÉQUIPÉ
2021-05-26
Patent
Elektronische Ressource
Englisch
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
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