mingo county shewey science academy: nxt training
DESCRIPTION
Mingo County Shewey Science Academy: NXT Training. First Lego League. Highly differentiated Hands-On Student-led Cross-curricular Collaborative. First Lego League Core Values:. We are a team. We do the work to find solutions with guidance from our coaches and mentors. - PowerPoint PPT PresentationTRANSCRIPT
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Mingo County Shewey Science Academy: NXT Training
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First Lego League•Highly differentiated
•Hands-On
•Student-led
•Cross-curricular
•Collaborative
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First Lego League Core Values:• We are a team.
• We do the work to find solutions with guidance from our coaches and mentors.
• We know our coaches and mentors don't have all the answers; we learn together.
• We honor the spirit of friendly competition.
• What we discover is more important than what we win.
• We share our experiences with others.
• We display gracious professionalism and cooperation in everything we do.
• We have FUN!
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First Lego League Challenge: Green City
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www.waynecountynews.com
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Ice Breaker•Draw a blueprint of a robot that performs
a task you would prefer not to do.
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Structure Function
Determines
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What is a Robot?
•Sense –takes in information about its environment
•Plan –uses that information to make a decision
•Act –has moving parts to carry out commands
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Bot or Not?
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Bot or Not?
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Bot or Not?
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Bot or Not?
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The NXT Brick is the brain of the robot
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Output Ports (A, B, C)These ports send information out of the NXT
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Motors are plugged into the Output PortsUSB Port –Connects to
the computer
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INPUTS (1, 2, 3, 4) These ports send information into the NXT
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Sensors are plugged into the Input Ports
Touch Ultrasonic
SoundLight
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The NXT Navigation Map allows you to view the console menu options.
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NXT BUTTON CONTROLSEnter/Select Button
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Scroll controls allows navigation thru the menu
NXT BUTTON CONTROLS
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You are able to scroll left to right thru all menu options.
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NXT BUTTON CONTROLS
The back button allows you to return to the previous menu.
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You are able to scroll backwards thru all menu options.
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Name that Part!
Word Bank:
Gear Belts Angled Beams
Sensors Pulley Wheels Motor
Bushings Technic Beams
Axle Plates
Wheels Bricks
Pegs Studded Beams
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Functions
Bricks, Beams, & Plates: Provide stability and support
Gears, Belts, Axles, & Pulleys: Transmit mechanical energy
Bushings: Hold structural parts in place; can also be used as part of a pulley system
Pegs and Joints: Join structural parts together
Sensors: Detect changes in the environment
NXT (Brain): Contains the source of energy for the bot (batteries)
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Now it’s time to build your bot!
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If your wheel makes one rotation, how far will it travel?
Distance Traveled = Circumference * Rotations
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Circle Math for Movement1. What is a radius of a circle?
2. What is a diameter of a circle?
3. What is the formula for the circumference of a circle?
The distance from the center to the outside of a circle. Measure to the nearest tenth of a centimeter.The distance, through a circle’s center, from one edge to another.
Circumference = diameter * π
r
d
Π or Pi = 3.14
Measure to the nearest tenth of a centimeter
Measure to the nearest tenth of a centimeter
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Circle Math In ActionIf your wheel completes 2 rotations, what distance will it travel?
3.14
Resource: Robin Shoop, Carnegie Mellon University
2.2 cm
Round up
6.9086.91
6.91 2 13.82 cm
Measurement of the rim
Constant
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If your wheel’s circumference is 6.91 and it completes 2 rotations, then it should travel 13.82 cm.
Climbing the Learning LadderWhat are some variables which would prevent the Robot from traveling exactly 13.82 cm?
Resource: Robin Shoop, Carnegie Mellon University
Circle Math In Action
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Welcome to the programming environment. NXT G is a icon based user friendly drag and drop program.
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If you have multiple NXT robots in your classroom, a best practice is to have students personalize their robot by giving it a name that is saved in the robot’s brain.
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Math Applications•Metric conversions•Setting up equations•Perimeter•Circumference•Collecting and representing data•Estimation•Problem Solving: making predictions &
experimenting
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4/20/13•Objectives-
▫Use the scientific process to solve the Green City Challenges.
▫Complete two green city challenges: 1 that requires a “push” from the robot 1 that requires your robot to “lift” something
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Best Practices:• Assigning roles: i.e.- mechanical engineer, computer
engineer, mathematician
• Following the scientific process
• Data Logging
• Organization: Challenge kids to keep kits organized!
• Lego League Core Values
• Awards
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Scientific Process:•Know the challenge•Predict what your robot will do to solve
the challenge•Experiment•Evaluate results•Make changes due to inconsistencies in
the prediction•Experiment•Repeat
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Data Logging Example
Challenge: Move in a square Behavior Programming
Robot will move forward 8 in.
Robot will execute a point turn by turning off left wheel and allowing the right wheel to move
Robot will repeat steps above 3 more times.
Forward move block, 2 rotations
Forward move block with C motor turned off, 1 rotation
Use Loop Function
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First Lego League Core Values:• We are a team.
• We do the work to find solutions with guidance from our coaches and mentors.
• We know our coaches and mentors don't have all the answers; we learn together.
• We honor the spirit of friendly competition.
• What we discover is more important than what we win.
• We share our experiences with others.
• We display gracious professionalism and cooperation in everything we do.
• We have FUN!
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Green City Challenge Awards:•Best Design of Robot•Most Difficult Challenge•Fastest Mission Completion•Most Effective Mission (highest point
value)•Most Creative•Most Gracious Professionals
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Trouble Shooting• Emphasize that the robots must begin on the
designated tire outlines• Charge robots each day after students leave• Programming Issues:
▫Ensure the arm or wheel is connected to the correct port
▫That the student is downloading the correct program
▫That all pieces of the robot fit tightly▫That the battery life of the robot is fully charged
or close to it.