A system and method of supervising vehicle positioning of a vehicle along a guideway where the vehicle comprising a supervisory controller, at least two controllers communicatively connected with the supervisory controller, an inertial measurement unit (IMU) and a speed measurement sensor includes receiving, by the controllers, speed measurements from the speed measurement sensor and motion measurements from the inertial measurement unit. The two controllers each estimate the along-track position of the vehicle using a track constrained UKF function based on the received speed measurements and motion measurements. The system executes protection level and protection level supervision functions on the supervisory controller to validate the along-track position estimates. The protection level supervision function uses a Stanford diagram verification technique.
SYSTEM AND METHOD TO SUPERVISE VEHICLE POSITIONING INTEGRITY
SYSTEM UND VERFAHREN ZUR ÜBERWACHUNG DER INTEGRITÄT EINER FAHRZEUGPOSITIONIERUNG
SYSTÈME ET PROCÉDÉ DE SURVEILLANCE DE L'INTÉGRITÉ DE POSITIONNEMENT D'UN VÉHICULE
2024-01-17
Patent
Electronic Resource
English
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