G - Physics – 08 – G
Patent
G - Physics
08
G
G08G 1/01 (2006.01)
Patent
CA 2656134
Traffic monitoring methods for detecting moving trucks are provided herein. One method for detecting trucks moving through a predetermined zone, and of determining the speed and, optionally, of determining the configuration of the truck, of one embodiment of the present invention includes the steps of (i) training a plurality of above-road electro-acoustic sensor arrays on the predetermined zone; (ii) filtering electrical signals from the plurality of above-road electro-acoustic sensor arrays; (iii) correlating at least two of the filtered electrical signals with one another; (iv) integrating the results of the correlation in the immediately-preceding step over time; (v) comparing the integrated result of the immediately-preceding step to a predetermined threshold and indicating detection of a motor vehicle when the threshold is exceeded by the integrated result; and (vi) comparing the third electric signal to electrical signals from known trucks to determine whether the motor vehicle is a truck, and to compute the speed of the truck and, optionally, to compute and specify the configuration of the truck, including length, number of axles, spacing of axles and height.
Bergan Terry
Klashinsky Rod
Innovate Llp
International Road Dynamics Inc.
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