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DOPPLER SENSOR FOR THE DERIVATION OF TORSIONAL SLIP, FRICTION AND RELATED PARAMETERS

  • US 20080137062A1
  • Filed: 06/19/2007
  • Published: 06/12/2008
  • Est. Priority Date: 06/20/2006
  • Status: Active Grant
First Claim
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1. A method for measuring properties of a travel vehicle or a travel surface, upon which the travel vehicle travels, comprising:

  • providing an incident light from a light source to the travel surface;

    collecting light reflected from the travel surface;

    determining a surface induced Doppler shift from the incident and collected light; and

    determining at least one of a motion property of the travel vehicle and a surface property of the travel surface based on the determined surface induced Doppler shift.

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