CN109003431A - The agricultural land soil quality intelligent of high-precision low cost monitors system - Google Patents

The agricultural land soil quality intelligent of high-precision low cost monitors system Download PDF

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Publication number
CN109003431A
CN109003431A CN201811025508.1A CN201811025508A CN109003431A CN 109003431 A CN109003431 A CN 109003431A CN 201811025508 A CN201811025508 A CN 201811025508A CN 109003431 A CN109003431 A CN 109003431A
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CN
China
Prior art keywords
soil quality
data
soil
node
configured
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CN201811025508.1A
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Chinese (zh)
Inventor
徐火柳
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广州巨枫科技有限公司
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Priority to CN201811025508.1A priority Critical patent/CN109003431A/en
Publication of CN109003431A publication Critical patent/CN109003431A/en

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    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24Earth materials
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal operating condition and not elsewhere provided for
    • G08B21/18Status alarms
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W40/00Communication routing or communication path finding
    • H04W40/02Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/04Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
    • H04W40/10Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources based on available power or energy
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0203Power saving arrangements in the radio access network or backbone network of wireless communication networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/18Self-organising networks, e.g. ad-hoc networks or sensor networks

Abstract

The present invention provides the agricultural land soil quality intelligents of high-precision low cost to monitor system, it include: Soil K+adsorption module, it is acquired for the soil quality parameter to reaction farm environment situation, and the soil quality parameter collected is sent to by data preprocessing module by wireless sensor network;Data preprocessing module is configured as pre-processing received soil quality parameter, and is sent at data management module and is stored;Data management module is configured as being managed the data of storage;Analysis module is configured as soil quality parameter being compared with the secure threshold of setting and exports comparison result;Abnormal alarm module is configured as receiving the comparison result, and exports warning message to the user terminal of setting when soil quality parameter is greater than the secure threshold of setting.

Description

The agricultural land soil quality intelligent of high-precision low cost monitors system

Technical field

The present invention relates to farmland monitoring technical fields, and in particular to the agricultural land soil quality intelligent of high-precision low cost monitors System.

Background technique

In the prior art, informationization technology is increasingly taken seriously in the development for pushing agricultural.Wireless sensor network It is the important means for realizing IT application to agriculture, it is wireless sensor network technology collection sensor technology, micro electro mechanical system (MEMS) technology, wireless The communication technology, embedding assembly technology and distributed information processing can pass through all kinds of microsensor nodes in one Between cooperation, real-time perception and acquire monitored target information, compared with traditional data collection system, wireless sensor network Network big, accurate advantage of soil quality parameter with monitoring range.

Summary of the invention

In view of the above-mentioned problems, the agricultural land soil quality intelligent that the present invention provides high-precision low cost monitors system.

The purpose of the present invention is realized using following technical scheme:

Provide the agricultural land soil quality intelligent monitoring system of high-precision low cost, comprising:

Soil K+adsorption module is acquired for the soil quality parameter to reaction farm environment situation, and by wireless The soil quality parameter collected is sent to data preprocessing module by sensor network;

Data preprocessing module is configured as pre-processing received soil quality parameter, and is sent to data pipe It is stored at reason module;

Data management module is configured as being managed the data of storage;

Analysis module is configured as tying compared with soil quality parameter is compared and is exported with the secure threshold of setting Fruit;

Abnormal alarm module is configured as receiving the comparison result, and is greater than the safety of setting in soil quality parameter Warning message is exported to the user terminal of setting when threshold value.

Preferably, the Soil K+adsorption module includes:

The sensor node of aggregation node and multiple acquisition soil quality parameters, aggregation node and data preprocessing module are logical Letter, multiple sensor nodes are campaigned for by node determines cluster head simultaneously sub-clustering, and the sensor node in cluster is by the soil quality of acquisition Parameter is sent to corresponding cluster head, and aggregation node summarizes the soil quality parameter that each cluster head is collected and is sent to data prediction mould Block.

Preferably, the data management module includes:

Metadata management submodule is configured as the addition, deletion and update of metadata;

Data fusion submodule is configured as carrying out fusion treatment to related data;

Data query submodule is configured as according to the customized querying condition real-time query related data of user;

The related data includes the soil quality parameter, the metadata.

The invention has the benefit that soil quality parameter is acquired by wireless sensor network, it can be in real time by soil The case where recorded and analyzed, the timely early warning when soil quality parameter is unsatisfactory for condition, realize improve farmland monitoring The degree of automation and accuracy of data acquisition.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings Other attached drawings.

Fig. 1 is the agricultural land soil quality intelligent monitoring system of the high-precision low cost of an illustrative embodiment of the invention Structural schematic block diagram;

Fig. 2 is the structural schematic block diagram of the data preprocessing module of an illustrative embodiment of the invention.

Appended drawing reference:

Soil K+adsorption module 1, data preprocessing module 2, data management module 3, analysis module 4, abnormal alarm module 5, Dealing of abnormal data unit 10, missing data processing unit 20.

Specific embodiment

The invention will be further described with the following Examples.

Referring to Fig. 1, the embodiment of the invention provides the agricultural land soil quality intelligents of high-precision low cost to monitor system, packet It includes:

Soil K+adsorption module 1 is acquired for the soil quality parameter to reaction farm environment situation, and by wireless The soil quality parameter collected is sent to data preprocessing module by sensor network;

Data preprocessing module 2 is configured as pre-processing received soil quality parameter, and is sent to data pipe It is stored at reason module 3;

Data management module 3 is configured as being managed the data of storage;

Analysis module 4 is configured as tying compared with soil quality parameter is compared and is exported with the secure threshold of setting Fruit;

Abnormal alarm module 5 is configured as receiving the comparison result, and is greater than the safety of setting in soil quality parameter Warning message is exported to the user terminal of setting when threshold value.

Wherein, the Soil K+adsorption module 1 includes:

The sensor node of aggregation node and multiple acquisition soil quality parameters, aggregation node and data preprocessing module 2 Communication, multiple sensor nodes are campaigned for by node determines cluster head simultaneously sub-clustering, and the sensor node in cluster is by the soil matter of acquisition Amount parameter is sent to corresponding cluster head, and aggregation node summarizes the soil quality parameter that each cluster head is collected and is sent to data prediction Module.

In a kind of mode in the cards, the data management module 3 includes:

Metadata management submodule is configured as the addition, deletion and update of metadata;

Data fusion submodule is configured as carrying out fusion treatment to related data;

Data query submodule is configured as according to the customized querying condition real-time query related data of user;

The related data includes the soil quality parameter, the metadata.

In a kind of mode that can be realized, as shown in Fig. 2, data preprocessing module 2 includes dealing of abnormal data unit 10 and missing data processing unit 20, dealing of abnormal data unit 10 is configured as carrying out received soil quality parameter abnormal Detection, and the abnormal data that will test out is modified processing;Missing data processing unit 20 is configured as joining soil quality Number carries out missing detection, and carries out data filling to the deletion sequence detected.

The above embodiment of the present invention acquires soil quality parameter by wireless sensor network, can be in real time by the feelings of soil Condition is recorded and is analyzed, the timely early warning when soil quality parameter is unsatisfactory for condition, is realized and is improved the automatic of farmland monitoring Change degree and accuracy of data acquisition.

In a kind of mode that can be realized, at network operation initial stage, each non-suspend mode of sensor node, cluster head respectively passes in cluster Sensor node is perceived and calculates corresponding perception probability;If cluster head is greater than the perception probability of cluster inner sensor node j pre- If perception probability threshold value, otherwise cluster head enables sensor node j enter suspend mode using cluster inner sensor node j as working node, In, set the calculation formula of perception probability are as follows:

In formula, Qi→jIndicate perception probability of the cluster head i to any sensor node j, Ci1For the maximum perception half of cluster head i Diameter, Ci0For the minimum the perception radius of cluster head i, LijIt is cluster head i at a distance from sensor node j, d is that the influence of preset environment declines Subtract coefficient, θ is preset sensor node performance degradation coefficient.

Further, cluster head calculates the superfluous of each working node according to determining working node construction work node collection, cluster head Remaining, and working node of the redundancy greater than 1 is enabled to enter suspend mode, working node concentrates the sensor node of non-suspend mode to will be responsible for soil The collecting work of earth mass parameter;

Wherein, the calculation formula of the redundancy is set are as follows:

In formula, BiIndicate the redundancy of working node x, Y (x) is the sensing region of working node x, RxFor working node x's Neighbor node collection, wherein neighbor node is the working node in working node x communication range, Y (Rx) it is working node x's The sensing region of neighbor node collection.

The present embodiment sets the mechanism that cluster head is scheduled cluster inner sensor node, and in the mechanism, cluster head is according to setting Fixed perception probability determines working node collection, and the sensor node for enabling working node concentrate redundancy excessive enters suspend mode, and Working node concentrates other sensors node to carry out perception operation.

The present embodiment is adjusted by working condition of the cluster head to sensor node each in cluster, it is determined that relatively reasonable Working node quantity can reduce the energy of cluster inner sensor node to optimize the configuration of cluster inner sensor node resource Loss, reduces network overhead on the whole, extends the life cycle of wireless sensor network.

In a kind of mode that can be realized, cluster head calculates the work of the non-suspend mode in its working node collection according to the following formula Make the weight of node, and select the maximum working node of weight as auxiliary node:

In formula, KeFor the weight of the working node e of the non-suspend mode of working node concentration of cluster head i, Qi→eIt is cluster head i to described The perception probability of working node e, PavgFor cluster head i working node concentrate non-suspend mode working node current remaining Average value, PeFor the current remaining of the working node e, Pe0For the primary power of the working node e, PminIt is default Energy threshold lower limit;w1、w2To preset weight coefficient;

In data transfer phase, remaining working node selects the section as a purpose of distance recently in auxiliary node, cluster head The soil quality parameter that itself is acquired is sent to destination node by point;The auxiliary node is in the soil quality parameter received Received soil quality parameter is sent to corresponding cluster head when amount reaches the caching limit of itself.

The assisted collection that auxiliary node carries out soil quality parameter is arranged in the present embodiment, advantageously reduces the load of cluster head, It avoids all working node that soil quality parameter is all sent directly to cluster head and generates excessive energy consumption.

The present embodiment innovatively devises the calculation formula of weight, and determines auxiliary node according to weight, can be improved Auxiliary node is responsible for the reliability of the task of soil quality parameter collection and transmission.

In a kind of mode that can be realized, cluster head periodically calculates the balancing energy degree in its cluster, if balancing energy journey Degree is lower than preset balancing energy degree threshold value, then cluster head determines the work section that current remaining meets energy compared with low condition Point enables the working node suspend mode, and the sensor node of suspend mode in the working node communication range is waken up, after wake-up Suspend mode sensor node then enters the working condition of acquisition soil quality parameter;

Wherein the energy is compared with low condition are as follows: current remaining is the minimum of working node centralized sensors node energy Value, alternatively, current remaining is lower than preset energy bottom threshold;

Wherein, the calculation formula of the balancing energy degree are as follows:

In formula, ZiIndicate that cluster head i corresponds to the balancing energy degree in cluster, UiThe work of the non-suspend mode in cluster is corresponded to for cluster head i Number of nodes, PjThe current remaining of the working node of j-th of non-suspend mode in cluster is corresponded to for cluster head i.

The present embodiment innovatively defines the calculation formula of balancing energy degree, by the calculation formula it is found that energy is equal Weighing apparatus degree is bigger, represents that cluster inner region energy distribution harmony is stronger, and balancing energy degree is smaller, represents cluster inner region energy consumption point Cloth harmony is weaker.

The present embodiment dispatches smaller energy when balancing energy degree is lower than preset balancing energy degree threshold value, by cluster head Node enters suspend mode, and the suspend mode node waken up around smaller energy node enters working condition, being capable of the smaller energy of active balance The energy consumption for measuring node neighboring area avoids sensor node rapid failure due to energy consumption unevenness, and then is conducive to improve soil matter Measure the reliability of parameter acquisition and transmission.

Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention Matter and range.

Claims (6)

1. the agricultural land soil quality intelligent of high-precision low cost monitors system, characterized in that include:
Soil K+adsorption module is acquired for the soil quality parameter to reaction farm environment situation, and passes through wireless sensing The soil quality parameter collected is sent to data preprocessing module by device network;
Data preprocessing module is configured as pre-processing received soil quality parameter, and is sent to data management mould It is stored at block;
Data management module is configured as being managed the data of storage;
Analysis module is configured as soil quality parameter being compared with the secure threshold of setting and exports comparison result;
Abnormal alarm module is configured as receiving the comparison result, and is greater than the secure threshold of setting in soil quality parameter When to the user terminal of setting export warning message;
Wherein, the Soil K+adsorption module includes the sensor node of aggregation node and multiple acquisition soil quality parameters, convergence Node is communicated with data preprocessing module, and multiple sensor nodes, which campaign for operate by node, determines cluster head and sub-clustering, in cluster The soil quality parameter of acquisition is sent to corresponding cluster head by sensor node, and aggregation node summarizes the soil matter that each cluster head is collected Amount parameter is simultaneously sent to data preprocessing module.
2. the agricultural land soil quality intelligent of high-precision low cost according to claim 1 monitors system, characterized in that described Data management module includes:
Metadata management submodule is configured as the addition, deletion and update of metadata;
Data fusion submodule is configured as carrying out fusion treatment to related data;
Data query submodule is configured as according to the customized querying condition real-time query related data of user;
The related data includes the soil quality parameter, the metadata.
3. the agricultural land soil quality intelligent of high-precision low cost according to claim 1 or 2 monitors system, characterized in that Data preprocessing module includes dealing of abnormal data unit, and dealing of abnormal data unit is configured as joining received soil quality The abnormal data that number is carried out abnormality detection, and be will test out is modified processing.
4. the agricultural land soil quality intelligent of high-precision low cost according to claim 3 monitors system, characterized in that data Preprocessing module further includes missing data processing unit, and missing data processing unit is configured as carrying out soil quality parameter scarce It lapses survey, and data filling is carried out to the deletion sequence detected.
5. the agricultural land soil quality intelligent of high-precision low cost according to claim 1 monitors system, characterized in that described Sensor node includes heavy metal-polluted soil sensor, soil moisture sensor, soil temperature sensor, soil acidity or alkalinity sensing One of device, soil salinity sensor, underground water heavy metal sensor, underground water temperature sensor or multiple sensors.
6. the agricultural land soil quality intelligent of high-precision low cost according to claim 1 monitors system, characterized in that network Initial operating stage, each non-suspend mode of sensor node, cluster head perceive sensor node each in cluster and calculate corresponding perception generally Rate;If cluster head is greater than default perception probability threshold value to the perception probability of cluster inner sensor node j, cluster head is by cluster inner sensor node Otherwise j enables sensor node j enter suspend mode as working node, wherein set the calculation formula of perception probability are as follows:
In formula, Qi→jIndicate perception probability of the cluster head i to any sensor node j, Ci1For the maximum the perception radius of cluster head i, Ci0 For the minimum the perception radius of cluster head i, LijIt is cluster head i at a distance from sensor node j, d is that preset environment influences attenuation coefficient, θ is preset sensor node performance degradation coefficient.
CN201811025508.1A 2018-09-04 2018-09-04 The agricultural land soil quality intelligent of high-precision low cost monitors system CN109003431A (en)

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CN107295541A (en) * 2016-03-31 2017-10-24 扬州大学 A kind of radio sensing network coverage optimization method based on fictitious force and glowworm swarm algorithm
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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