Table 2 Risk assessment table 2
From: A SafeML extension for a unified risk assessment to diverse service robots
Scenario | At the ticket gate (the number of people varies), Risk Assessment of a package transfer robot against the change of the number of surrounding people |
Hazard | Although the kinematic energy of movement is sufficiently low, a train station is a public place; hence, the avoidance of collisions is highly required |
Harm | Secondary accident after a collision between a human and robot |
Harm Context | Robot starts moving when the station is crowded and hits a person |
Defence | When the station is crowded, the robot waits in a waiting area |