10. Safety Goals
L3 20 L HARA Safety Goals
Lane Keeping Assistance Safety Goals
What about the lane keeping assistance function? In this case, the hazardous situation involved the driver taking both hands off the wheel. Because the functionality was always on, the driver could misuse the lane keeping assistant as if it were meant for autonomous driving. What would the safety goal be for this second case?
Lane Keeping Assistance Safety Goal
SOLUTION:
The lane keeping assistance function shall be time limited and the additional steering torque shall end after a given time interval so that the driver cannot misuse the system for autonomous driving.Safety Goals and Requirements Engineering
In the first lesson, we mentioned that requirements engineering was a sub-discipline of systems engineering. Requirements generally start with the phrase "X system shall [do something]".
Safety goals are a specific type of engineering requirement. Safety goals specifically define what the vehicle needs to do in order to remain safe.
Safety Goal ASIL