VEHICLE CLASSIFICATION USING DIGITAL INDUCTIVE LOOP VEHICLE DETECTORS

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)

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  • Supplemental Notes:
    • This paper was presented during the 12th Australian Road Research Board Conference, Hobart, Tasmania, 27-31 August 1984.
  • Corporate Authors:

    ARRB

    Melbourne, Victoria  Australia 
  • Authors:
    • Pye, K J
  • Publication Date: 1984

Media Info

  • Features: Figures; References;
  • Pagination: p. 208-216
  • Serial:

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Filing Info

  • Accession Number: 00393455
  • Record Type: Publication
  • Source Agency: ARRB
  • Files: ITRD, TRIS, ATRI
  • Created Date: Jul 31 1985 12:00AM