S. Mandayam/ ECE Dept./Rowan University Freshman Clinic II Spring 2004 Shreekanth Mandayam ECE Department Rowan University Sensors for Motion Capture April.

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S. Mandayam/ ECE Dept./Rowan University Freshman Clinic II Spring 2004 Shreekanth Mandayam ECE Department Rowan University Sensors for Motion Capture April 21,

S. Mandayam/ ECE Dept./Rowan University Plan What is motion capture? Motion capture applications Motion capture principles Motion capture sensors Electricity and Magnetism 101

S. Mandayam/ ECE Dept./Rowan University 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.

S. Mandayam/ ECE Dept./Rowan University MoCap Applications Sports medicine Biomechanics Industrial training Animation Virtual reality Physical therapy Sports training Medical imaging Motion Capture

S. Mandayam/ ECE Dept./Rowan University Optical Sensors for Motion Capture

S. Mandayam/ ECE Dept./Rowan University A little background: Electricity & Magnetism 101 Voltage source ~ R I + - Voltage source ~ + - Voltage source ~ + - what if? and?

S. Mandayam/ ECE Dept./Rowan University Pioneers…………. ph.ca/educmat/chm386/rud iment/tourclas/hertz.htm Heinrich Hertz 1888 James Maxwell and.ac.uk/~history/Mathe maticians/Maxwell.html Guglielmo Marconi

S. Mandayam/ ECE Dept./Rowan University Electromagnetic Sensors for 3-D Motion Capture Transmitting antenna Receiving antenna Electromagnetic waves Voltage source ~ + - Voltmeter

S. Mandayam/ ECE Dept./Rowan University Flock of Birds Receiver Transmitter …by Ascension Technology Corporation

S. Mandayam/ ECE Dept./Rowan University 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

S. Mandayam/ ECE Dept./Rowan University Gas Transmission Pipelines 280,000 miles 24-36” dia Sleeve Weld Corrosion SCC T-section Valve

S. Mandayam/ ECE Dept./Rowan University In-Line Inspection

S. Mandayam/ ECE Dept./Rowan University Inspection Information Information needed for severity estimation Configuration of pipeline network Location of network Condition of pipeline

S. Mandayam/ ECE Dept./Rowan University Inspection Data

S. Mandayam/ ECE Dept./Rowan University TACOM - CAV

S. Mandayam/ ECE Dept./Rowan University Summary