Wireless sensor network ad hoc network method for crop greenhouse cultivation

A wireless sensor, ad hoc network technology, applied in greenhouse cultivation, botany equipment and methods, network topology, etc., can solve the problems of low self-organization ability of nodes, low data transmission efficiency, poor data reliability and integrity, etc.

Active Publication Date: 2017-05-17
SOUTHEAST UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a wireless sensor network self-organizing network method for crop greenhouse cultivation, to solve the problem of poor stability of the homogeneous or heterog

Method used

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  • Wireless sensor network ad hoc network method for crop greenhouse cultivation
  • Wireless sensor network ad hoc network method for crop greenhouse cultivation
  • Wireless sensor network ad hoc network method for crop greenhouse cultivation

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0123] Such as figure 2 As shown, in the specific implementation system of the wireless sensor network ad hoc network method for crop greenhouse cultivation, sensor nodes 1 and control nodes 2 are deployed in each greenhouse from A1 to A6, and relay nodes 3 are deployed between greenhouses , A7 is the control room, and the gateway 4 and the base station 5 are arranged.

[0124] Sensor nodes 1 from greenhouse A1 to greenhouse A6 collect the growth environment information data of crop greenhouse cultivation in real time, and transform, process, store and transmit the data, and send the data to base station 5 by means of wireless multi-hop communication, and sensor node 1 Air temperature and humidity sensors, soil temperature and humidity sensors, illuminance sensors, CO2 sensors and CO2 generators are installed to collect air temperature, air humidity, soil temperature, soil humidity, CO2 concentration and illuminance information in the greenhouse, and to regulate CO2 Concentr...

Embodiment 2

[0144] The data packets sent by the base station 5 received by the network node include a clustering command data packet, a clustering information data packet, a control command data packet and a status query data packet. Wherein, the base station 5 broadcasts and sends the clustering command data packet in a large format. After the base station completes clustering of network nodes, it establishes an optimal routing transmission path for data packets according to the optimal routing transmission path selection algorithm, and sends clustering information data packets, control instruction data packets and status query data packets to the target node.

[0145] Such as Figure 4 As shown, the workflow of the network node is as follows:

[0146] S11: Power on the network node to initialize its wireless communication module and sensor module, set the dormancy flag to 0, and wait to receive the data packet sent by the base station 5;

[0147] S12: When the network node receives th...

Embodiment 3

[0237] The upper computer such as the local monitoring terminal sends control instructions to the base station 5 through the serial port, and the base station 5 analyzes the control instructions, combines the control algorithm and the optimal routing transmission path algorithm, and sends the control instruction data packet to the network node through the wireless communication module with the optimal routing transmission path . Network nodes perform corresponding environmental information collection tasks or environmental regulation tasks according to control requirements.

[0238] Such as Figure 6 As shown, the steps of the real-time monitoring and regulation process of the growth environment information of the ad hoc network crop greenhouse cultivation are as follows:

[0239] S51: The upper computer such as the local monitoring terminal sends a control command to the base station 5;

[0240] S52: The base station 5 receives the control command, analyzes and determines t...

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Abstract

The invention discloses a wireless sensor network ad hoc network method for crop greenhouse cultivation in the technical field of greenhouse cultivation internet of things. A base station sends a clustering command, a hop count relationship among nodes is recorded, the node distribution density is calculated, and clusters are divided; a node receives a control instruction or a state query instruction sent by the base station, and if the node receives the control instruction, real-time monitoring and equipment regulation on the crop greenhouse cultivation growth environment information are executed according to control requirements; if the node receives the state query instruction, the self data packet transmission times are transmitted to the base station; the transmission costs of all paths are analyzed, and the path with the minimum transmission cost is selected as the optimal routing transmission path for data transmission; and after the system completes multiple times of environment information monitoring and regulation tasks, the base station carries out re-clustering according to the state information of the node. The method of the invention is applicable to an isomorphism or isomerism (node hardware isomerism) dynamic elf-organization and multi-hop transmission wireless sensor network ad hoc network.

Description

technical field [0001] The invention relates to the technical field of the Internet of Things for greenhouse cultivation, in particular to a wireless sensor network ad hoc network method for crop greenhouse cultivation. Background technique [0002] Wireless sensor network is a self-organizing network composed of a large number of sensors in the form of wireless multi-hop communication. Applying wireless sensor network to the field of modern agriculture can not only efficiently perceive, monitor and regulate agricultural environmental information and crop growth information, but also change the traditional The production mode of agriculture promotes the transformation of agriculture to the direction of refinement and intelligence. However, due to the limited computing power, storage capacity and transmission capacity of sensor nodes in wireless sensor networks, and the hardware structure, configuration equipment, communication methods and data processing methods of heterogen...

Claims

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Application Information

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IPC IPC(8): H04W40/32H04W84/18A01G9/14H04L29/08
CPCA01G9/14H04L67/12H04W40/32H04W84/18Y02A40/25
Inventor 陈俊杰刘渊
Owner SOUTHEAST UNIV
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