Mars Exploration Mission

Ideation
1. Criteria
  1. Prescribed
    1. Go around immovable objects
      1. Touch sensor has to be pushed in very deep before it activates
        Immovable object would activate
        If only ultrasonic is activated, it's movable
        Movable would not
        Move movable objects
    2. Move movable objects
      1. Ultrasonic sensors detect all (if large enough) objects
        Both immovable AND movable would activate
        If touch and ultrasonic both activated, it's immovable object
        If only ultrasonic is activated, it's movable
        Go around immovable objects
    3. Follow line
      1. Could use this existing algorithm:
  2. Self-determined
    1. Externally display if robot gone off course
      1. Use screen of EV3 brick to display faces
    2. Perform celebration dance once course if completed
      1. End of course is red
        Can use following algorithm to detect end of course
Impacts
1. Social
  1. Mansfield State High School
    1. Gains recognition for helping internationally renowned space agency
      1. IT curriculum and department would receive additional funding
      2. School receives more government funding
  2. SpaceX
    1. Successful mission means for opportunites for future missions and economic gains
2. Economic
  1. SpaceX would probably pay MSHS for the assistance
    1. Boosts local economy
    2. School/Students/Teachers gains additional funds
3. Personal
  1. Students
    1. Gains recognition for assisting renowned space agency
      1. Awards
      2. More opportunities from schools or organisations/companies looking to award scholarships or job opportunities
  2. Teachers
    1. Gains recognition for enabling students to complete challenge
      1. Awards
      2. Employment opportunities
Non-functional Requirements
1. Perform "celebration dance" once course is completed
  1. Aesthetic requirement
Constraints + Limitations
1. Robot
  1. Sensors
    1. Colour
      1. Can only be positioned one one side of robot
      2. May be faulty/unpredictable due to external factors such as shadows or distance positioned to the ground
    2. Ultrasonic
      1. Can only be positioned in front of robot
        May not detect certain objects if on side of robot
      2. Cannot detect certain objects if too small
      3. Cannot detect further away than ~100 cms
    3. Touch
      1. Sensor is relatively small
      2. Can only be positioned on one side of the robot
      3. Has to be pushed in very deep before activated
        In some situations will not activate
2. Personal/Self
  1. Lack of experience in coding
  2. Student
    1. Pre-occupied with other tasks; less time to work on project
      1. Other subjects
      2. Part-time jobs
      3. Extra-curricular activities
        Music
        Chess
3. Resources
  1. Websites
    1. Youtube
      1. Limited access at school
      2. Videos may be outdated or incorrect
    2. Requires internet
    3. ev3lessons.com
      1. Some lessons are outdated
      2. May be hard to understand or follow; created by students
      3. Lack of abundancy and variety of resources; created by students
  2. Applications/Software
    1. EV3 classrooms
      1. Uses the Scratch 3.0 programming language
        Not text-based
        Inflexible
4. Task-specific
  1. Robot configuration can not be changed
  2. Time limitations
    1. Must be completed within 4 weeks
  3. Mat/Course
    1. Dirty and old
      1. Colour detection may be faulty
    2. Path
      1. Thin
        More difficult to detect and follow
Functional Requirements
1. Self-determined criteria
  1. Course must be completed in 5 or less minutes
    1. Reduce chance of meeting severe weather events e.g. sandstorms
    2. Reduces chance of robot running out of battery midway through course
  2. Perform a "celebration dance" once course is completed
    1. Must be aesthetically unique and creative
      1. Turns
      2. Display face
      3. Sounds
  3. Externally display something to distinguish if robot has gone off-course (if detecting white with colour sensor)
    1. Helps humans to see if something has gone wrong
      1. Can be displays e.g. a sad face
      2. Sounds
2. Prescribed Criteria
  1. Detect and clear the moveable objects from the path
    1. Movable i.e. can be cleared by robot alone
    2. Object can be picked by me
  2. Detect and navigate around immovable objects
    1. Immovable i.e. cannot be cleared by robot alone and robot is forced to move around it AND return to path
    2. Object can be picked by me
  3. Follow the path
    1. Black line
    2. Cannot move off of black line and not return
3. Must be done within 4 weeks
  1. Includes written part
    1. Evaluation
    2. Algorithms
    3. Diagrams
    4. Etc.
Available Resources
1. Computers
  1. Internet
    1. GoConqr
      1. Easy Mindmaps
      2. Brainstorm ideas
    2. Blackboard
      1. Makes information relating to task widely available
        Due dates
        How to perform certain tasks using EV3
        Information relating to assessment itself e.g. tasksheets
    3. Youtube
      1. Tutorials
        Helps with formulation of algorithms and code to enable the ev3 robot to complete the challenge
        Answers potential questions e.g. how to make an ev3 robot follow a black line
    4. ev3lessons.com
  2. Applications and software
    1. Microsoft Teams
      1. Enables for contact and communication with teachers and/or other students
        Ask Questions
        Mutual assistance
    2. Microsoft Word
      1. Enables for the editing of text
        Allows for completion of the written portion of assignment including but not limited to: prescribed and self-determined evaluation criteria, evaluation, reference list/bibliography
      2. Enables for the editing of diagrams, tables, and images
        Allows for the completion of diagrams or annotated photos showcasing two possible solutions
    3. EV3 Classroom
      1. Allows for code to be created and edited, then to be uploaded to the EV3 robot
2. EV3 robot
  1. Parts
    1. EV3 Brick
      1. Controls sensors and motors
      2. Play sounds and display images
      3. Can process code uploaded
    2. Sensors
      1. Gyro
        Measures angles
        Make precise turns
        Helps robot to move around immovable object
      2. Colour
        Detects colour and light intensity (ambient and reflected)
        Helps to keep robot on line
      3. Ultrasonic
        Measures distance
        Detect immovable/movable objects?
      4. Touch
        Detects objects
        Detect immovable/movable objects?
    3. Motors
      1. Raises and lowers arm
        Allows for robot to clear movable objects
      2. Turns wheels
        Make turns
        Allows to robot to follow path and navigate around immovable object
        Move robot

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Mars Exploration Mission

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	Created by Lifan Xu about 2 years ago