From: A SafeML extension for a unified risk assessment to diverse service robots
 | Three-step methods by designer |  | ||
---|---|---|---|---|
SafeML stereotype | Inherently | Guards and protective devices | Information for the end user | Implemented by the user |
Passive | ++ | ++ NOT functional safety | − | − |
Active | − | ++ Functional safety | − | − |
Undefended | − | − | + | - |
ProActive | − | ++ NOT functional safety | ++ | ++ |