Use Cases

Version 78.1 by Dongxu Lu on 2022/03/30 11:40

UC001: Daily Activity Reminder

Objective Help delay memory loss for the patient's daily tasks
TDP TDP: Activity
Actors Patient/ robot
Pre-condition The 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 patient 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 do speech recognition/ detect hand gestures. CL002: User becomes happy after completing a task. Patient, robot


UC002: Adjust reminder settings by the caregiver

Objective Help delay memory loss for the 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) The patient wants to add more activities to remind/ feels the volume too low;
2) The patient contacts the caregiver and asks for a visit;
3) The caregiver comes visit the patient;
4) The patient communicates with the caregiver about his/her needs;
5) The caregiver adjusts the reminder settings properly according to the patient's needs.
UC step Requirements Claims IDP
1 - - Patient, robot
2 RQ003: The robot stores the contact details of all stakeholders. - Caregiver, patient
3 RQ003: The robot stores the contact details of all stakeholders. - Caregiver, patient
4 - - Caregiver, patient
5 RQ004: The settings of the reminder can be modified. - Caregiver, 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: The robot can play sounds. - Patient, robot
2 RQ005: The robot can perform moverments. - Patient, robot
3 RQ006: The robot can save data. CL006: Collect the daily routine data of the patient for further analysis Caregiver and robot
3 RQ007: The robot can send data. CL006: Collect the daily routine data of the patient for further analysis Caregiver and robot


UC004: Small talks with the robot

Objective Keep the patient socially active.
TDP TDP: Group game (TODO)
Actors Care givers/ patient/ other patients/ robot
Pre-condition The patient stays home alone most of the time and needs social contacts..
Post-condition The patient becomes happier after havig social interactions with the robot.
Action sequence Figure

UC steps:
1) The robot/ the patient starts conversations of ramdom topics
2) The robot and the patient have small talks with each other
UC step Requirements Claims IDP
1 RQ001: The robot can play sounds.
RQ002: The robot can do speech recognition/ detect hand gestures.
- Caregiver and robot
2 RQ001: The robot can play sounds.
RQ002: The robot can do speech recognition/ detect hand gestures.
- 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 activity and asks the user the related activity name;
3) The patient replies; 4) If the answer is correct, the robot congratulates the user and asks to continue;
If the answer is wrong, the robot prompts the user to try again;
5) If the user gives wrong answers after several tries, the robot would tell the right answer;
6) Repeat 3)-5) until the patient wants to stop.
UC step Requirements Claims IDP
1 RQ002: The robot can do speech recognition/ detect hand gestures. - Patient and robot
2 RQ001: The robot can play sounds. - Patient, robot
3 RQ002: The robot can do speech recognition/ detect hand gestures. - Patient, robot
4 RQ001: The robot can play sounds. - Patient, robot
5 RQ001: The robot can play sounds.
RQ002: The robot can do speech recognition/ detect hand gestures.
- Patient, robot
6 RQ001: The robot can play sounds.
RQ002: The robot can do speech recognition/ detect hand gestures.
- Patient, 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