Use Cases

Version 70.1 by Dongxu Lu on 2022/03/30 01:50

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 signatures. 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
1RQ003: Have the means of contacting loved ones and caregiverCL003: Patient is happy to interact with othersCaregiver and robot
3RQ004: Have some way of modifying the todo list and the music associated with the tasksCL004: Patient is eager to be reminded of the newly added tasks or hear the newly selected musicCaregiver 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
1RQ001: Robot has the ability to play sounds CL001: Patient remembers to do the taskPatient and robot
2RQ005: Robot has the ability to perform simple movements CL005: User is motivated to follow along when the robot is movingPatient and robot
3RQ006: Robot has the ability to save the data and upload it to cloud CL006: Collect the daily routine data of the patient for further analysisCaregiver 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
2RQ007: Robot has games and rules stored in memory and is able to recognize the players CL007: Patient is eager to start to playing the gameCaregiver and robot
3RQ008: Robot can monitor an ongoing game CL003: User is happy to interact with othersPatient 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
1RQ009: Robot should recognize spoken words CL008: Patient is excited to play the quizPatient and robot
2RQ010: Robot has the ability to play sounds CL009: User is happy to listen to the musicPatient and robot
3RQ009: Robot should recognize spoken words CL010: User is happy because they got the answer rightPatient 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
1RQ011: Robot should recognize when the patient suddenly stops interacting -Patient and robot
2RQ003: 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 wayCaregiver and robot
4RQ013: 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


UC007: Ambient music

Objective OB07: Play music during the day that they like
TDP TDP: Activity
Actors Patient/ robot
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
1RQ011: Robot should recognize when the patient suddenly stops interacting -Patient and robot
2RQ003: 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 wayCaregiver and robot
4RQ013: 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