Automatic driving system based on Beidou navigation and visual technology
A technology of automatic driving and Beidou navigation, applied in control/regulation systems, motor vehicles, transportation and packaging, etc., can solve problems such as untimely steering, crushing crops, and inaccurate navigation.
Pending Publication Date: 2021-12-10
NANJING AGRICULTURAL UNIVERSITY
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Problems solved by technology
[0003] The purpose of the present invention is to provide an automatic driving system for agricultural machinery based on Beidou navigation and vision technology, so as to solve the problems of untimely turning of agricultural machinery during automatic driving and navigation, inaccurate navigation, and crushing of crops, etc.
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Embodiment 1
[0012] Example 1: See figure 1 , the present invention provides an automatic driving system for agricultural machinery based on Beidou navigation and vision technology:
[0013] Such as figure 1 As shown, the present invention is based on the Beidou navigation and vision technology, and the automatic driving system includes a positioning system 1, a navigation obstacle avoidance system 2, and an automatic driving control system 3, wherein the positioning system 1 receives the Beidou satellite and the positioning antenna 5 through the receiver 8. The rough positioning information and transmit this information to the Beidou control system 6. On this basis, the Beidou control system 6 combines the time information and positioning information sent by the reference station 4 through the communication system 7 to comprehensively process the information and modify the parameters to obtain Accurate coordinate positioning information provides precise positioning information for agricu...
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The invention discloses an agricultural machinery automatic driving system based on Beidou navigation and machine vision technology, which comprises a positioning system for acquiring coarse positioning coordinates of a vehicle according to own satellite positioning data; a navigation obstacle avoidance system for acquiring vehicle position information according to surrounding environment information acquired by an ultrasonic sensor and a vision sensor; an automatic driving control system used for receiving information of the positioning system, obtaining accurate positioning coordinates of the agricultural machine, obstacles in the driving direction of the agricultural machine and route deviation information in combination with data collected by the navigation obstacle avoidance system, and determining the speed and the driving direction needing to be controlled of the vehicle according to the current vehicle speed and the obtained data, thereby realizing autonomous walking and navigation automation. The agricultural machine can be accurately positioned, the vehicle speed is adjusted, the driving direction is changed, information of surrounding obstacles is received and fed back in real time, the obstacles are automatically avoided, and good economical efficiency and feasibility are achieved.
Description
[0001] The invention relates to an automatic driving system, in particular to an automatic driving system based on Beidou navigation and vision technology, and belongs to the technical field of automatic driving. Background technique [0002] Autonomous driving technology has gone through decades of development from its inception to now, but the navigation effect of the automatic driving system in complex environments is not good. The agricultural machinery works in the farmland, and the working environment is complex and changeable, which makes the automatic driving and navigation of agricultural machinery difficult. Accurate, the steering is not timely, and even the phenomenon of crushing the crops occurs, which limits the working efficiency of the agricultural machinery. At present, fully automatic and semi-automatic agricultural machinery at home and abroad are mainly researched and designed for dryland vegetables and other crops, so it is necessary to design an automatic d...
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IPC IPC(8): G05D1/02
CPCG05D1/0246G05D1/0255
Inventor 肖茂华江丰耿国盛李亚杰周俊博牛明珉汪洋汪开鑫赵远方赵婷婷
Owner NANJING AGRICULTURAL UNIVERSITY