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    Doppler sensor for the derivation of torsional slip, friction and related parameters

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    7705972.pdf (2.948Mb)
    Downloads: 54
    Publication Date
    2010-04-27
    Filing Date
    2007-06-19
    Inventor
    Ahmadian, Mehdi
    Holton, Carvel E.
    Metadata
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    Abstract
    An optical method and apparatus are described for the measurement of properties of a travel vehicle or a travel surface upon which the travel vehicle travels, which includes 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.
    Assignee
    Virginia Tech Intellectual Properties, Inc.
    Patent Number
    7705972
    Application Number
    11765215
    Source URL
    http://pimg-fpiw.uspto.gov/fdd/72/059/077/0.pdf
    Primary/U.S. Class
    356/28.5
    Other/U.S. Class
    356/28
    701/514
    CPC Class
    B60W40/06
    G01P3/366
    G01S17/58
    G01S17/88
    Patent Type
    utility
    URI
    http://hdl.handle.net/10919/72632
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