UC001: Daily Activity Reminder
| Objective | Help delay memory loss for patient's daily tasks |
| TDP | TDP: Activity |
| Actors | Patient/ robot |
| Pre-condition | Patient has daily activities that need to be finished on time |
| Post-condition | The patient recalls what to do after hearing the related music |
| Action sequence |
Figure UC steps: 1) The robot plays music related to a certain activity according to the patient's agenda; 2) The patient performs the activity that corresponds to the music; 3) After performing the activity, the patients interacts with the robot to confirm finishing the task. |
| UC step | Requirements | Claims | IDP |
| 1 | RQ001: The robot can play sounds. | - | Patient, robot |
| 2 | - | CL001: The patient recalls what to do after hearing related music | Patient, robot |
| 3 | RQ002: The robot can recognize affirmative words/ detect hand gestures. | CL002: User becomes happy after completing a task. | Patient, robot |
UC002: Adjust reminder settings by caregivers
| Objective | Help delay memory loss for patient's daily tasks |
| TDP | TDP: Activity |
| Actors | Caregivers/ patient/ robot |
| Pre-condition | The patient wants to add more daily activities or change the music |
| Post-condition | The reminder settings are adjusted by the caregivers and the patient is satisfied with the adjustments |
| Action sequence |
Figure UC steps: 1) Patient wants to add more activities to remind/ feels the volume too low; 2) Patient contacts the caregiver and asks for a visit; 3) Caregiver comes visit the patient; 4) Patient communicates with the caregiver about his/her needs; 5) Caregiver adjusts the reminder settings properly according to the patient's needs. |
| UC step | Requirements | Claims | IDP |
| 1 | RQ003: Have the means of contacting loved ones and caregiver | CL003: Patient is happy to interact with others | Caregiver and robot |
| 3 | RQ004: Have some way of modifying the todo list and the music associated with the tasks | CL004: Patient is eager to be reminded of the newly added tasks or hear the newly selected music | Caregiver and robot |
UC003: Physical exercise with the robot
| Objective | Help the patient to keep a healthy lifestyle through exercise |
| TDP | TDP: Activity |
| Actors | Caregiver/ Patient/ robot |
| Pre-condition | The patient is physically able to follow simple exercises. The robot has exercise motion pre-installed. |
| Post-condition | The patient finishes the daily exercise and the robot records the data. |
| Action sequence |
Figure UC steps: 1) The robot plays the specific music to remind the patient to start exercise; 2) The robot performs some simple movements and asks the patient to follow; 3) The patient finishes the daily exercise while the robot records the data; 4) The robot sends the data to the caregiver for further clinical analysis. |
| UC step | Requirements | Claims | IDP |
| 1 | RQ001: Robot has the ability to play sounds | CL001: Patient remembers to do the task | Patient and robot |
| 2 | RQ005: Robot has the ability to perform simple movements | CL005: User is motivated to follow along when the robot is moving | Patient and robot |
| 3 | RQ006: Robot has the ability to save the data and upload it to cloud | CL006: Collect the daily routine data of the patient for further analysis | Caregiver and robot |
UC004: Small talks with the robot
| Objective | Help the patient to keep socially active. |
| TDP | TDP: Group game (TODO) |
| Actors | Care givers/ patient/ other patients/ robot |
| Pre-condition | Patient has the ability to understand and remember the game rules. Patient is at the care home. Robot has the pre-installed game motion. |
| Post-condition | User enjoys playing the game with others. |
| Action sequence |
Figure UC steps: 1) Care giver selects the game to play 2) Robot explains the rules and identifies the players 3) Robot monitors the progress of the game 4) Game ends and robot announces the results |
| UC step | Requirements | Claims | IDP |
| 2 | RQ007: Robot has games and rules stored in memory and is able to recognize the players | CL007: Patient is eager to start to playing the game | Caregiver and robot |
| 3 | RQ008: Robot can monitor an ongoing game | CL003: User is happy to interact with others | Patient and other people (TODO) |
UC005: Quiz
| Objective | Help reinforce the connection between specific music and daily task with quizzes |
| TDP | TDP: Activity |
| Actors | Patient/ robot |
| Pre-condition | Patient has heard the music associaed with the task before |
| Post-condition | User reinforces the association between the song and the task |
| Action sequence |
Figure UC steps: 1) The patient asks the robot to play a quiz 2) The robot plays the music associated with a random task and asks the user what the task is 3) The user replies. For a correct answer, the robot congratulates the user and asks if they want to play again. For a wrong answer, the robot prompts the user to try again. 4) If the user gets the task wrong a few times in a row, the robot just tells them the answer. |
| UC step | Requirements | Claims | IDP |
| 1 | RQ009: Robot should recognize spoken words | CL008: Patient is excited to play the quiz | Patient and robot |
| 2 | RQ010: Robot has the ability to play sounds | CL009: User is happy to listen to the music | Patient and robot |
| 3 | RQ009: Robot should recognize spoken words | CL010: User is happy because they got the answer right | Patient and robot |
UC006: Notification if unresponsive
| Objective | Keep the caregiver updated with the patient's condition |
| TDP | TDP: Emergency (TODO) |
| Actors | Patient/ robot/ care giver/ loved ones |
| Pre-condition | Patient was interacting with the robot, but suddenly stops |
| Post-condition | Care giver and loved ones are ensured that the patient is safe |
| Action sequence |
Figure UC steps: 1) The robot notices that the patient is not responding 2) The robot contacts the patient's care givers and loved ones and transmits a live audio and video feed of the patient 3) Care giver and loved ones call or come to chech on the patient and see if they are okay 4) Care giver determines if the emergency call was a false positive |
| UC step | Requirements | Claims | IDP |
| 1 | RQ011: Robot should recognize when the patient suddenly stops interacting | - | Patient and robot |
| 2 | RQ003: Have the means of contacting loved ones and caregiver, RQ012: Have the means of transmitting live audio and video | CL011: User's status can be monitored while help is on the way | Caregiver and robot |
| 4 | RQ013: Robot can remember the context of the emergency call | CL010: Similar situations will not trigger an emergency call in the future (if false positive) | Caregiver and robot |