Traffic Control System and Method
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Abstract
A traffic control system is provided including an arrangement of traffic lights at a traffic intersection, and a radar sensor installed at the intersection such that its field and range of detection covers at least one approach to the intersection. The radar sensor is adapted to sense the presence of vehicles within a predetermined field of view and range. A controller for switching the traffic lights is operated by an electronic processor utilizing information developed from data inputted from the radar sensor. The radar sensor is a multi-object radar sensor capable of developing data from which the location, speed, acceleration or deceleration, and direction of travel of each vehicle within its field and range of detection can be derived.
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Citations
22 Claims
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1-11. -11. (canceled)
- 12. A traffic control system including an arrangement of traffic lights at a traffic intersection, a radar sensor installed at the intersection such that its field and range of detection covers at least one approach to the intersection and wherein the radar sensor is adapted to sense the presence of vehicles within a predetermined field of view and range, and a controller operated by an electronic processor for operating the traffic lights to regulate the flow of traffic through the intersection utilising information developed from data inputted from the radar sensor, wherein the radar sensor is a multi-object radar sensor capable of developing data from which the location, angle relative to boresight of the radar sensor, speed and direction of travel of each vehicle within its field and range of detection can be derived and the movement of each vehicle thereby tracked within the said field and range and wherein the electronic processor provides an output for controlling the operation of the traffic lights dependent, at least to some extent, on one or more of the number of vehicles sensed within said field and range, the length of a vehicle queue and the behavioural pattern of one or more vehicles within said field and range.
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22. A method of controlling a traffic light at an intersection, comprising:
- sensing the presence, speed, angle relative to boresight and path of travel of selected objects within a field and range of a multi-object radar sensor covering an approach to an intersection, processing the data generated by the multi-object radar sensor using computational or artificial intelligence optionally in combination with one or more appropriate algorithms to provide an output, and activating a controller for the traffic light on the basis of such output.
Specification