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Use Cases

Version 30.1 by Xin Wan on 2022/03/07 14:55

UC001: User prevented from going out

Objective OB01: Prevent user from going out
TDP TDP: TITLE
Actors * Pepper * Person with Dementia
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. Robot navigates to door
3. Robot asks user what they are doing
4. User responds to robot they are restless and want to take a walk
5. Robot invites user to calm down with a cup of tea
6. User complies
UC step Requirements Claims IDP
1RQ001: Detect movement towards door--
2---
3RQ002: Recognize person with dementia moving towards door--
4RQ004: Process spoken natural language--
5RQ002, RQ005CL02: PwD's mood is improved-
6-CL01: The PwD does not leave the care home, CL05: No caretaker is needed to prevent PwD from wandering -

UC002: User not prevented from going out

Objective OB02: Alert caretakers of user that 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. Robot navigates to door
3. Robot asks user what they are doing
4. User ignores robot and walks outside
5. Robot alerts caretakers that the user has done so
6. Caretakers take actions necessary to protect and/or locate user
UC step Requirements Claims IDP
1RQ001: Detect movement towards doorCL001: TitleIDP: Title
2---
3RQ002: Recognize person with dementia moving towards door--
4---
5RQ008: Alert caretakers--

UC003: Guide user when going out

Objective OB03: Guide the user when going out
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. Robot navigates to door
3. Robot asks user what they are doing
4. User responds to robot they are restless and want to take a walk
5. Robot starts to play some sounds corresponding to a familiar location
6. User listens and recognizes to sound and remembers the route to that location
7. Robot accompanies the user on his/her stroll

UC004: User is reminded of their current situation

Objective OB01: Prevent user from going out
TDP TDP: TITLE
Actors
Pre-condition User is under the impression they need to be somewhere and intends to go there
Post-condition User remembers they need to stay here
Action sequence Figure

UC steps:
1. User walks to door to go out
2. Robot navigates to door
3. Robot asks user what they are doing
4. User argues they need to go to work and they are already late
5. Robot tries to convince the user you are already retired
6. User feels agitated and insist on his idea
7. Robot sings or plays a song associated with retirement
8. User is reminded of his retirement and realises he does not have to go to work
9. Robot invites user to stay home and user complies
UC step Requirements Claims IDP
1RQ001: Detect movement towards doorCL001: TitleIDP: Title
2---
3RQ002: Recognize person with dementia moving towards door--
4---
5RQ004: Process spoken natural language--
6--
7RQ004: Process spoken natural language, RQ006: Recognize emotions, RQ007: Play musicCL02: PwD's mood is improved-
8CL04: The music reminds the PwD of the intended situation or place-
9RQ004: Process spoken natural languageCL01: The PwD does not leave the care home-