Saturday, February 23, 2019

Self Driving Cars : Level(s) of Autonomy

Many times in the self-driving car space, you will come across the term 'level(s) of autonomy'. These are defined by SAE ( Society of Automotive Engineers ). The snippet below is sourced from here


  • Level 0 – No Driving Automation = The performance by the driver of the entire DDT. Basically, systems under this level are found in conventional automobiles. 
  • Level 1 – Driver Assistance = A driving automation system characterized by the sustained and ODD-specific execution of either the lateral or the longitudinal vehicle motion control subtask of the DDT. Level 1 does not include the execution of these subtasks simultaneously. It is also expected that the driver performs the remainder of the DDT. 
  • Level 2 – Partial Driving Automation = Similar to Level 1, but characterized by both the lateral and longitudinal vehicle motion control subtasks of the DDT with the expectation that the driver completes the object and event detection and response (OEDR) subtask and supervises the driving automation system. 
  • Level 3 – Conditional Driving Automation = The sustained and ODD-specific performance by an ADS of the entire DDT, with the expectation that the human driver will be ready to respond to a request to intervene when issued by the ADS
  • Level 4 – High Driving Automation = Sustained and ODD-specific ADS performance of the entire DDT is carried out without any expectation that a user will respond to a request to intervene
  • Level 5 – Full Driving Automation = Sustained and unconditional performance by an ADS of the entire DDT without any expectation that a user will respond to a request to intervene. Please note that this performance, since it has no conditions to function, is not ODD-specific.

Image from the link here





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