Automatic deviation correction laser navigation system

A technology of laser navigation and automatic deviation correction, which is applied in the field of laser navigation, can solve problems such as inability to guide the car, return to the correct track, and complicated control methods, and achieve the effects of reducing off-target phenomena, avoiding vibration, and simple control methods
CN102902273AInactive Publication Date: 2013-01-30SOUTHEAST UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SOUTHEAST UNIV
Publication Date
2013-01-30
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an automatic deviation correction laser navigation system, which comprises a moving trolley, photosensitive batteries, a rotary laser, a bracket, a laser controller, a laser wireless communication module, a vehicle-mounted wireless communication module and a vehicle-mounted controller, wherein the vehicle-mounted controller has two working modes; and when left-right deviation of the moving trolley is small, the vehicle-mounted controller is used for controlling the moving trolley to turn leftwards, turn rightwards or stop turning according to the positions of the photosensitive batteries at the front end of the trolley. When the moving trolley deviates the central line greatly, a rotation instruction is transmitted by the vehicle-mounted controller, a laser rotation device is controlled to rotate by the laser controller according to the rotation instruction, the moving trolley target is actively searched by the rotation laser, and a left-right turning judgment is made by the vehicle-mounted controller according to the photosensitive battery signal change condition around the moving trolley. The automatic deviation correction laser navigation system has the advantages of simple control model, high extensibility, wide application range, capability of automatically returning the moving trolley to a set path without manual control in case of large deviation and the like.
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Description

technical field

[0001] The invention belongs to the technical field of laser navigation and relates to an automatic deviation correction laser navigation system. Background technique

[0002] Navigation refers to the method of guiding a device to move from one place to another along a set route. Laser navigation is to use the non-divergence of laser to precisely locate the position of the carrier robot to guide the robot to walk. At present, the main navigation methods include laser navigation, GPS navigation, visual navigation, radio navigation, indoor magnetic trajectory navigation and so on. However, the visual navigation method is greatly affected by road navigation signs and light; the GPS navigation method has low precision and cannot meet the requirements of precise navigation; radio navigation has poor anti-interference ability; The trajectory line, the construction of ancillary facilities is complicated, and the cost is relatively high. Laser navigation has the c...

Claims

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