A fault-tolerant computer system (FTCS) for generating safe trajectories for a vehicle. The FTCS includes: a sensor part (SENSE), a primary part (PRIM), a secondary part (SEC), a tertiary part (TER), and a decide part (DECIDE). The PRIM and TER are configured to produce trajectories by interpreting information of the real world as perceived by the SENSE. The SEC is configured to produce a safe space estimate (FSE) by interpreting information of the real world as perceived by SENSE. The DECIDE and/or SEC are configured to execute correctness checks that take trajectories and FSE as inputs, and qualify a trajectory (TRJ) as safe when said TRJ is inside the FSE, and qualify a trajectory (UTRJ) as unsafe when said UTRJ is not inside the FSE. At least a part of SENSE is developed according to an ASIL level of: QM, ASIL A, or ASIL B; the PRIM is developed according to an ASIL level of: QM, ASIL A, or ASIL B; the SEC is developed according to an ASIL level of: ASIL B, ASIL C, or ASIL D; the TER is developed according to an ASIL level of: ASIL B, ASIL C, or ASIL D; and the DECIDE is developed according to an ASIL level of: ASIL D.
Fault-Tolerant Computer System for Assisted and Autonomous Driving
2019-06-13
Patent
Electronic Resource
English
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES , Systeme zum Steuern oder Regeln nichtelektrischer veränderlicher Größen |
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