
Autonomous Driving classifies the degree of automation with the concept of level.
The classification method is based on the definition of SAE (Society of Automotive Engineers) announced by NHTSA of the US Department of Transportation in 2016.
Level 0: No operation automation
All driver tasks (DDT: Dynamic Driving Task) are carried out by the driver.
It does not contain any automated elements at all. (Including cases supported by preventive safety system)
Level 1: Driver assistance
· Limited implementation of the sustainable operational design domain (ODD) by the operation automation system.
· The operation automation system carries out subtasks of operation task (DDT) related to vehicle control in either the front or rear direction and the left / right direction. (Not both)
· The driver expects to implement the rest of the driving task (DDT).
Level 2: Partial operation automation
· Sustainable operation design domain (ODD) limited implementation by operation automation system.
· The operation automation system carries out subtasks of operation tasks (DDT) related to vehicle control in both the front and rear direction and the left and right direction.
· The driver completes the subtask of object and event detection and response (OEDR)
運転タスク(DDT)の残りの部分を監視することを期待。
Level 3: Conditional operation automation
· Sustainable and operational design domain (ODD) limited implementation of all operation tasks (DDT) by Autonomous Driving System (ADS).
· Preliminary response users (DDT fallback-ready user) are requested to intervene by Autonomous Driving System (ADS)
他の車両システムでの運転タスク(DDT)実施関連のシステム故障に対して適切に応答することを期待。
Level 4: Advanced operation automation
· Sustainable and operational design domain (ODD) limited implementation of all operation tasks (DDT) by Autonomous Driving System (ADS).
· In fallback (DDT fallback), users are not expected to respond to intervention.
Level 5: Full operation automation
· Sustainable and unconditional for all operation tasks (DDT) by Autonomous Driving System (ADS)
(すなわち運行設計領域(ODD)限定的でない)の実施。
· In fallback (DDT fallback), users are not expected to respond to intervention.
(出典:国土交通省 http://www.kantei.go.jp/jp/singi/it2/senmon_bunka/detakatsuyokiban/dorokotsu_dai1/siryou3.pdf)
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