Use Cases

UC001: User prevented from going out

Objective OB01: Prevent user from going out TDP TDP: TITLE Actors Pre-condition User is restless and wants to take a walk Post-condition User stays home Action sequence Figure UC steps: 1. User walks to door to go out 2. User opens door 3. Door sensor is triggered 4. In response to door sensor trigger, robot navigates to door 5. Robot interacts with user 6. User focusses on robot 7. Robot invites user to stay inside 8. User complies

UC002: User not prevented from going out

UC001: Guide user when going out

Objective OB02: Alert caretakers of user that the user has gone out TDP TDP: TITLE Actors Pre-condition User is restless and wants to take a walk Post-condition Caretakers are alerted of the fact that the user has left Action sequence Figure UC steps: 1. User walks to door to go out 2. User opens door 3. Door sensor is triggered 4. In response to door sensor trigger, robot navigates to door 5. Robot attempts to interact with user 6. User ignores robot and walks outside 7. Robot alerts caretakers that the user has done so 8. Caretakers take actions necessary to protect and/or locate user

UC step Requirements Claims IDP 1 RQ001: Title CL001: Title IDP: Title 2 - - - - - - - - - - - -

Objective OB01: Guide the user when he/she leave their respective building TDP TDP: TITLE Actors Pre-condition User is restless and wants to take a walk Post-condition Robot accompanies the user to a familiar location Action sequence Figure UC steps: 1. User walks to door to go out 2. User opens door 3. Door sensor is triggered 4. In response to door sensor trigger, robot navigates to door 5. Robot starts to play some sounds corresponding to a familiar location 6. User listens and recognizes to sound and remembers the route tot that location 7. Robot accompanies the user on his/her stroll