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TISP:
Shenzhen
7-8 July 2009
Moshe Kam
Yvonne Pelham
D.G. Gorham
Building a Robot Arm
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2
Build your own
Robotic Arm
Moshe Kam
IEEE Educational Activities
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3
Robot Arm
 We
will build a robot arm from simple
materials
 The
arm must pick up a paper cup from a
distance of 45cm
 Lift
the cup to a height of at least 15cm
 Bring the cup back to rest and release it
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4
Robot Arm
You cannot get too close…
Robot Arm
Student
45cm
Cup
You cannot get any closer than
45cm to the cup at any time
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5
Robot Arm
Available Materials
 Steel Wire
 Small
 Cardboard
 Tape
 Clothespins
 Paper
 Ice
 Plastic
cream sticks
 Rubber
 Binder
 Paper
bands
clips
clips
pencils
fasteners
bag
 Fishing
 Strings
lines
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Robot Arm
Outline and Procedures
 Divide
into teams of two (2)
 Review
the requirements
 Discuss
a solution and create a sketch of
your design
 Build
a model of your design with given
materials
 Test
your model
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Robot Arm
Redesign after testing
 Discuss
and agree upon a redesign
 If
needed after testing, or
 to enhance the previous design
 Rebuild
 Retest
your robot arm
your model
 Answer
reflection questions as a team
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Robot Arm
Reflection Questions
 What
was one thing you liked about your
design? What is its main weakness?
 What
is one thing you would change about
your design based on your experience
 Are
there algebraic and physical principles
that can be applied to this activity?
 How
would you modify the instructions to
create a better experience for the
participants?
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Robot Arm
Design requirements
The arm must pick up a
plastic cup from a
distance of 45cm



Lift the cup to a height of
at least 15cm
Bring the cup back to rest
and release it
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Robot Arm
UPDATE FROM SPACE AGENCY
 NEW
 Lift
DESIGN REQUIREMENT
and release the cup when it is
upside down
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Robot Arm
Design requirements
1.
The arm must pick up a
plastic cup from a distance of
45cm
 Lift the cup to a height of
at least 15cm
 Bring the cup back to rest
and release it
2.
Lift and release the cup when
it is upside down
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12
Robot Arm
UPDATE FROM SPACE AGENCY
 NEW
 Lift
DESIGN REQUIREMENT
and release the cup when it is
full of water
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13
Robot Arm
Design requirements
1.
The arm must pick up a plastic
cup from a distance of 45cm
 Lift the cup to a height of
at least 15cm
 Bring the cup back to rest and
release it
2.
Lift and release the cup when it
is upside down
3.
Lift and release the cup when it
is full of water
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Robot Arm
UPDATE FROM SPACE AGENCY
 NEW
DESIGN REQUIREMENT
 Need
a single device that can manipulate a
cup as well as a pen.
 Device
can use two
different end
manipulators
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Robot Arm
Design requirements
The arm must pick up a plastic
of 45cm
1.


cup from
a distance
Lift the cup to a height of
at least 15cm
Bring the cup back to rest
and release it
2.
Lift and release the cup when it is upside down
3.
Lift and release the cup when it is full of water
4.
Use the same design (possibly with a modified end
manipulator) to lift a pen
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Robot Arm
Reflection Questions
 What
was one thing you liked about your
design? What is its main weakness?
 What
is one thing you would change about
your design based on your experience
 Are
there algebraic and physical principles
that can be applied to this activity?
 How
would you modify the instructions to
create a better experience for the
participants?