Short-range repositioning system for unmanned trains
An unmanned and relocation technology, applied in the field of vehicle signal system, can solve the problems of inability to adapt to local positioning and inability to guarantee safety.
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[0016] Embodiment one, refer to figure 1 As shown, the unmanned train short-distance relocation system includes several beacons arranged along the extension direction of the ground track and two beacon readers installed on the train, and the two beacon readers read the beacons in sequence Complete the security positioning.
[0017] Among them, two adjacent beacons have a difference distance and the difference distance needs to be greater than twice the reading side lobe of the beacon plus the distance traveled by the train within the reading delay time to ensure the reading order of the two beacons. The value is 0.6m ~ 1m. When the distance is less than this distance, the system may acquire two beacons at the same time, and it will be impossible to judge the direction of the train based on the positioning principle.
[0018] In this embodiment, the two beacon readers are respectively arranged at the front and rear of the train. Of course, those skilled in the art can unders...
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