Peugeot’s HMI Expert, Stephane Feron outlines the 5 levels of automation as such:
- Level 0: Manual – only the driver makes decisions on the driving process;
- Level 1: Assisted – the driver makes decisions on the driving process but can use the car to help him in some maneuvers (ASR, ESP, ABS, DSG);
- Level 2: Partial Automation – the driver is a supervisor. s/he still drives the car and is the main controller of the driving process but can leave the driving process for the car as well in simple tasks (e.g. park assist and cruise control, lane assist);
- Level 3: Conditional Automation – the car can be in control of the driving process but the driver still has an important role. S/he has to make decisions in case of possible accident;
- Level 4: Full Automation: the car is the main controller of the driving process.
We are in an advanced stage of level 2 and some vehicles already present some level 3 technologies. Although, level 2 still presents some challenges concerning the supervision and the tactical tasks sharing. The main challenge for level 3 is the take over request with a ‘sufficient time margin’ as the vehicle’s reaction time is highly dependent of multiple factors and there is no definitive value for the ‘sufficient time’.
In conclusion, the biggest challenge in the development of the HMI was considered to be the driver handover and engagement and to standardize HMI features, to increase use and engagement, OEM’s and suppliers should collaborate more.
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