A brake control unit (50) is provided comprising a primary control branch (510), a backup control branch (520), and mode control utilities (530),wherein the mode control utilities (530) are configured to select in accordance with integrity diagnostic indications an operational mode of the brake control unit from a plurality of potential operational modes comprising at least a normal operational mode and a degraded operational mode,wherein respectively the primary control branch (510) and the backup control branch (520) are configured to generate a brake motor drive signal (D10, D20) with their respective inverter being controlled by their respective control module in response to an external brake control signal (IB),wherein the primary control module (511) is configured to provide the integrity diagnostic indications in that it includes at least a first and a second mutually cooperating primary control component (511A, 511B) that are configured to diagnose (QA) each other's integrity status, and in that it is further configured to diagnose an integrity status of the backup control branch (520) by verifying a response signal (SR) of the backup control branch in response to a test signal (ST).
FAIL OPERATIONAL ELECTRIC BRAKE SYSTEM
BETRIEBSSICHERES ELEKTRISCHES BREMSSYSTEM
SYSTÈME DE FREIN ÉLECTRIQUE OPÉRATIONNEL APRÈS UNE PANNE
2024-10-23
Patent
Electronic Resource
English
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
Electric Booster type Brake System Including Fail - Safe Valve
European Patent Office | 2018