G - Physics – 08 – G
Patent
G - Physics
08
G
G08G 1/04 (2006.01) G08G 1/07 (2006.01) G08G 1/08 (2006.01) G08G 1/09 (2006.01)
Patent
CA 2238127
Traffic monitoring and warning and vehicle ramp advisory systems are provided herein. They include a first set of sensors comprising a set of electro- acoustic sensors which are disposed above a traffic lane approaching a hazard for producing signals which are indicative of whether the vehicle is an automobile or a truck and, if it is a truck, to record and specify the configuration of the truck. A second set of sensors may be disposed in the traffic lane approaching the hazard for providing signals which are indicative of the speed of a truck traversing the second set of sensors. A processor is provided which has a memory for storing site-specific data related both to the geometry of the hazard and to signals which have been received from the sets of sensors. A traffic signalling device is associated with the traffic lane and is disposed downstream of the first set of sensors or of the second set of sensors, the traffic signalling device being controlled by the processor. The processor is responsive to the signals from the sensors for computing an actual speed of the truck and for computing a computed maximum speed of the truck. The computed maximum speed of the truck is derived from the site-specific dimensional data and from at least the configuration of the truck, the computed maximum speed of the truck being a maximum speed for the truck of that particular configuration safely to negotiate the hazard. The processor compares the computed actual speed of the truck with the computed maximum safe speed for the truck. Then, the processor automatically operates the traffic signalling device if the computed actual speed of the truck exceeds the computed maximum speed for the truck. The processor also discontinues operating the traffic signalling device if the computed actual speed of the truck no longer exceeds the computed maximum safe speed for the truck.
Bergan Terry
Klashinsky Rod
Bergan Terry
Borden Ladner Gervais Llp
Klashinsky Rod
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