Use Cases
UC01: Meal Time Discourse
| Objective | OB02: Provide the PwD company |
| TDP | TDP: TITLE |
| Actors | Robot, PwD |
| Pre-condition | It is after the set lunch time |
| Post-condition | PwD has had the chance to converse with someone at least a little bit |
| Action sequence |
Figure UC steps: 1. Slowly start playing music 2. Greet the PwD and ask if they have eaten yet 3. IF "Yes":
3.1 Ask questions about the lunch
4. ELSE IF "No":3.2 Say farewell to the PwD 3.3 Slow stop playing music
4.1 Prepare for UC002: Eating reminder
|
| UC step | Requirements | Claims | IDP |
| 1 | RQ04: The robot has a scheduling system, to know when to remind about eating and drinking.
RQ01: The robot can play music that suits the situation and the emotional state of the PwD. | CL01: The PwD is not startled by the activation of the robot if music is played at the start | IDP: Title |
| 2 | RQ02: The robot can greet the PwD in a personal and varied manner | CL02: The robot is pleasant to interact with | - |
| 3 | RQ03: The robot can understand the semantic meaning of what the PwD is saying, such as agreement and disagreement | - | - |
| 3.1 | RQ03: The robot can understand the semantic meaning of what the PwD is saying, such as agreement and disagreement | CL03: The PwD feels less alone | - |
| 3.2 | - | CL02: The robot is pleasant to interact with | - |
| 4 | RQ03: The robot can understand the semantic meaning of what the PwD is saying, such as agreement and disagreement | - | - |
| 4.1 | - | -- | - |
UC02: Eating reminder
| Objective | OB06: The PwD remembers to eat and is thus in better condition after being left alone. |
| TDP | TDP: TITLE |
| Actors | Robot, PwD |
| Pre-condition | The PwD says they haven't eaten. |
| Post-condition | The PwD has eaten. |
| Action sequence |
Figure UC steps: 1. Say "You should probably eat something. Let's walk to the kitchen to prepare the food." 2. Play food preparation music playlist. 3. Say "Tap me on the head when the food is ready". 4. After head is tapped: 5. Compliment the food, say "Bon appetit". 6. Start playing the eating playlist. 7. Ask: "Are you having a drink also?" 8. IF "No":
8.1 Say "Wouldn't a glass of milk go well with this?"
9. Say: "I hope you enjoyed your lunch break. See you next time".10. Slowly stop the music. |
| UC step | Requirements | Claims | IDP |
| 1 | - | CL04: The PwD is encouraged to have some food | IDP: Title |
| 2 | RQ01: The robot can play music that suits the situation and the emotional state of the PwD | CL06: The music makes the task more enjoyable | - |
| 3 | - | - | - |
| 4 | - | - | - |
| 5 | - | CL03: The PwD feels less alone | - |
| 6 | RQ01: The robot can play music that suits the situation and the emotional state of the PwD | CL06: The music makes the task more enjoyable | - |
| 7 | - | - | - |
| 8 | RQ03: The robot can understand words for agreement and disagreement | -- | - |
| 8.1 | - | CL05: The PwD is encouraged to drink | - |
| 9 | - | CL03: The PwD feels less alone | - |
| 10 | - | - | - |
Secondary Use Cases
Below, there are some first versions of secondary use cases as we have envisioned them before deciding on the main use case we would implement. Depending on the time of day, different reminders and discourses are triggered to encourage the PwD to eat, hydrate or drink their daily cup of coffee.
Ask about lunch discourse
Peter is watching TV. It is a bit after lunchtime and the robot wants to make sure Peter has eaten lunch. To grab his attention, it plays some music.
- Play "Slow start music"
- Say "Hello Peter, how are you?", "Have you already had lunch today?"
- If "Yes", say "What did you have for lunch?", "Did you enjoy it?", "Did someone join you?"...
- Say "That sounds delicious, I'm glad you enjoyed it!"
- Say "Talk to you later."
- If "No", go to Prepare Lunch discourse
- Play "Slow stop music"
Coffee break
Peter likes to have a cup of coffee with his wife, every afternoon when she comes back from her walk.
- Play "Slow start music"
- Say "Hi Peter, let's have some coffee."
- Play "Coffee brewery music"
- Say "Let's sit down so that you can drink your coffee."
- Play "Reminiscence music 1"
- Say "That was quite a coffee break. I hope you enjoyed it too. See you next time."
- Play "Slow stop music"
Prepare lunch discourse
- Play "Slow start music"
- Say "Hi Peter, how are you feeling?"
- Say "You should probably eat something. Let's walk to the kitchen to prepare the food."
- Say "What food would you like for lunch?"
- Play "Preparation music"
- Say "This looks delicious"
- Say "Bon appetite"
- Play "Calming and nostalgic lunch music" (Until Margaret stops eating)
- Say "Let's get a glass of milk"
- Play "Calming milk music"
- Say "Cheers"
- Say "I hope you enjoyed your lunch break. See you next time."
- Play "Slow stop music"
Take a sip - Stay hydrated
At different times in the day, NAO reminds Peter to drink some water in order to stay hydrated.
- Play "Slow start music"
- Say "Peter, have you had any water today?"
- Say "Do you know how healthy it is for you to stay hydrated?"
- Say "It would be great if you could have a glass of water now."
- Play "Reminiscence music 2"
- Say "Thank you for staying hydrated. Drinking water helps you to stay fit."
- Say "See you next time."
- Play "Slow stop music"