Freshman Clinic II Spring 2004

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Freshman Clinic II Spring 2004
Sensors for Motion CaptureApril 21, 2004

• Shreekanth Mandayam
• ECE Department
• Rowan University

http//engineering.rowan.edu/shreek/spring04/fros
hclinic2/
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Plan

• What is motion capture?
• Motion capture applications
• Motion capture principles
• Motion capture sensors
• Electricity and Magnetism 101

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What is motion capture?

• Technology that is used to measure and display
  the position of human organs limbs, neck, head,
  spine, etc., as they move in the performance of
  various tasks.

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MoCap Applications
Sports training
Medical imaging
Biomechanics
Motion Capture
Physical therapy
Sports medicine
Industrial training
Animation
Virtual reality
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Optical Sensors for Motion Capture
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A little backgroundElectricity Magnetism 101
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Pioneers.
Guglielmo Marconi 1896
Heinrich Hertz 1888
James Maxwell 1873
http//www-gap.dcs.st-and.ac.uk/history/Mathemati
cians/Maxwell.html
http//www.chembio.uoguelph.ca/educmat/chm386/rudi
ment/tourclas/hertz.htm
http//www.marconicalling.com/
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Electromagnetic Sensors for 3-D Motion Capture
Transmitting antenna
Receiving antenna
Electromagnetic waves
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Flock of Birds
by Ascension Technology Corporation
Transmitter
Receiver
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Project Background

• Started in Fall 1999
• Inspection of Tanks
• Current System
• 2 ISA pcBIRD cards
• 2 sensors
• 1 transmitter
• Electromagnetics
• 6 DOF data ? calculate forces

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Gas Transmission Pipelines

• 280,000 miles
• 24-36 dia

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In-Line Inspection
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Inspection Information

• Information needed for severity estimation
• Configuration of pipeline network
• Location of network
• Condition of pipeline

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Inspection Data
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TACOM - CAV
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Summary