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    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
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    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
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      <title>Aussie solar car sets the pace</title>
      <link>https://trid.trb.org/View/1171914</link>
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      <pubDate>Thu, 23 Aug 2012 22:11:52 GMT</pubDate>
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      <title>VEHICLE CLASSIFICATION USING DIGITAL INDUCTIVE LOOP VEHICLE DETECTORS</title>
      <link>https://trid.trb.org/View/211603</link>
      <description><![CDATA[Modern inductive loop vehicle detectors use microprocessors and sampling of loop signals to improve the performance of the detector, but still discard much of the available information.  This paper discusses some of the possible uses of the information available from certain loop geometries in relation to vehicle classification and identification. Comparisons are made between a vehicle classification system based on a digital inductive loop detector using a single loop with a specially chosen geometry and existing commercial systems which typically use two inductive loops as well as an axle detector.  Some typical inductance-time profiles are discussed, and the profiles are shown to be repeatable between different runs of the same vehicle.  The correspondence between profile and vehicle shape is investigated, together with an examination of the differences between profile shapes of different types of vehicle.  The limitations in the information available from the profiles are noted and suggestions made as to possible future investigations.  (Author/TRRL)]]></description>
      <pubDate>Wed, 31 Jul 1985 00:00:00 GMT</pubDate>
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