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A Multi-UAV Data Collection Method Based on Information Age Optimal Path Planning

A data collection and multi-drone technology, applied in specific environment-based services, radio transmission systems, advanced technologies, etc., can solve problems such as energy consumption, increased flight time, cluster head node loss of function, etc., to achieve balanced energy consumption problems, the effect of improving timeliness

Active Publication Date: 2022-05-13
丽水青达科技合伙企业(有限合伙)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] (1) Circular flight increases the number of nodes within the coverage area, but increases flight time and consumes energy; straight-line flight will cause the coverage omission of nodes
The energy limitation of drones may also cause drones to be unable to complete coverage and data collection tasks for all nodes
[0008] (2) Due to its frequent data transmission tasks, the cluster head node may lose its function in advance due to energy exhaustion; moreover, forwarding the sensing data through the cluster head node will reduce the timeliness of the data collected by the UAV

Method used

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  • A Multi-UAV Data Collection Method Based on Information Age Optimal Path Planning

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Embodiment 1

[0052] According to an embodiment of the present invention, a method for collecting UAV data based on information age dynamic planning path includes:

[0053] Step 1: The topology of the sensor network determined by GPS and other positioning methods and the coordinate position p of sensor nodes are determined by wireless transmission i =(x i ,y i ) (i=1,...,M) are transmitted to the base station.

[0054] Step 2: arrange all sensor nodes in the two-dimensional plane of the wireless sensor network system, take the sensor node as the center of the circle, and form M circles in the wireless sensor network system with the communication radius r as the radius, and determine the The distance between the centers of M sensor nodes Find two disjoint circles by color method: Add M sensor nodes to the unmarked node set from collection Randomly select and mark a circle of a sensor node as black, and judge whether there are circles of other sensor nodes overlapping with it, that is...

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Abstract

The invention discloses a multi-UAV data collection method based on information age optimal path planning. Compared with traditional short-distance wireless transmission, traditional Internet, and satellite transmission, the invention uses UAV as a relay data forwarding technology, It can reduce the constraints on the deployment of wireless sensor networks, improve the energy efficiency of data collection and the timeliness of collected data. Compared with the existing single UAV-assisted data collection method, the multi-UAV data collection scheme in the method of the present invention uses a clustering method to determine the location of each UAV data collection point, effectively balancing the UAV The problem of energy consumption for data collection of all sensor nodes is applicable to wireless sensor networks of different scales. Using information age as a measure of the freshness of sampled data is suitable for delay-sensitive scenarios and is of great significance for analyzing the timeliness of wireless sensor network data.

Description

technical field [0001] The invention belongs to the technical field of UAV data collection, in particular to a multi-UAV data collection method based on information age optimal path planning Background technique [0002] The wireless sensor network is composed of a large number of deployed sensors, which can obtain the required effective sensing data from the observed and monitored application scenarios. Current UAV-assisted data collection methods are applied in wireless sensor networks. UAVs have the characteristics of high mobility, flexible deployment, and low operating costs. Recently, they have been widely used in various scenarios such as cruise, logistics, and surveying and mapping. [0003] As a highly maneuverable mobile data collector, drones are especially suitable for applications where there are few people or are not suitable for human activities, and the data collection performance can be improved through flight and communication control. On the one hand, th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/185H04W4/38
CPCH04B7/18506H04W4/38Y02D30/70
Inventor 毛驰雄刘娟冯宇王亮
Owner 丽水青达科技合伙企业(有限合伙)