CN107645755A - A kind of farmland ecological environment monitoring system for precision agriculture - Google Patents
A kind of farmland ecological environment monitoring system for precision agriculture Download PDFInfo
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- CN107645755A CN107645755A CN201710855596.7A CN201710855596A CN107645755A CN 107645755 A CN107645755 A CN 107645755A CN 201710855596 A CN201710855596 A CN 201710855596A CN 107645755 A CN107645755 A CN 107645755A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
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Abstract
The invention provides a kind of farmland ecological environment monitoring system for precision agriculture, including farmland ecological environment monitoring modular, Data Analysis Services module and intelligent terminal, described farmland ecological environment monitoring modular, intelligent terminal communicate to connect with Data Analysis Services module respectively；Described farmland ecological environment monitoring modular is the wireless sensor network being monitored to farmland ecological environment, is sent for gathering farmland ecological environment parameter, and by farmland ecological environment parameter to Data Analysis Services module；Described Data Analysis Services module is used to store farmland ecological environment parameter and other agricultural land informations, and for being analyzed and processed to farmland ecological environment parameter.The present invention realizes the wireless monitor of large area farmland ecological environment.
Description
Technical Field
The invention relates to the technical field of agriculture, in particular to a farmland ecological environment monitoring system for fine agriculture.
Background
In the related technology, the measuring means of the farmland ecological environment parameter information is mainly ground actual measurement. The ground measurement experiment is an important part for researching the parameters, the insufficient sampling number can cause the number of sampling points to be too small and not representative, and the excessive sampling number can cause the waste of manpower and material resources. The current ground actual measurement method comprises the following main methods: direct measurement and indirect measurement.
(1) Direct measurement
The method comprises a paper calculating method, a paper weight method, a dry weight method, an integrating instrument method, a length and width coefficient method and a leaf area instrument method. The leaf area index of the vegetation sample area is calculated according to the specific leaf area and the leaf biomass by 'harvesting' the leaf amount in the vegetation sample area according to different plant species. Although the direct measurement method is accurate, the time and labor are consumed, the operation is complex, and the method is only suitable for small or few sample areas and short vegetation.
(2) Indirect measurement
Measuring the plant canopy gap degree by various optical measuring instruments and obtaining the final plant canopy leaf area index by a corresponding formula. Compared with a direct measurement method, the indirect method is easier to implement and can be used for measuring a large-range and various vegetation ecosystems, but the accuracy of direct measurement cannot be achieved because the indirect method is limited by solar illumination and angles.
Disclosure of Invention
In order to solve the problems, the invention provides a farmland ecological environment monitoring system for fine agriculture.
The purpose of the invention is realized by adopting the following technical scheme:
the farmland ecological environment monitoring system for the fine agriculture comprises a farmland ecological environment monitoring module, a data analysis processing module and an intelligent terminal, wherein the farmland ecological environment monitoring module and the intelligent terminal are respectively in communication connection with the data analysis processing module; the farmland ecological environment monitoring module is a wireless sensor network for monitoring the farmland ecological environment and is used for acquiring farmland ecological environment parameters and sending the farmland ecological environment parameters to the data analysis and processing module; the data analysis processing module is used for storing farmland ecological environment parameters and other farmland information and analyzing and processing the farmland ecological environment parameters.
The invention has the beneficial effects that: the wireless monitoring of the ecological environment of the farmland in large area is realized, the information data of the ecological environment of the farmland can be inquired in real time, the cost is low, and the popularization is convenient.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
FIG. 1 is a block diagram of the present invention;
fig. 2 is a connection block diagram of the data analysis processing module of the present invention.
Reference numerals are as follows:
the system comprises a farmland ecological environment monitoring module 1, a data analysis processing module 2, an intelligent terminal 3, a data storage unit 10, a data analysis unit 20, a communication unit 30 and an alarm unit 40.
Detailed Description
The invention is further described with reference to the following examples.
Referring to fig. 1 and fig. 2, the farmland ecological environment monitoring system for fine agriculture provided by the embodiment includes a farmland ecological environment monitoring module 1, a data analysis processing module 2 and an intelligent terminal 3, wherein the farmland ecological environment monitoring module 1 and the intelligent terminal 3 are respectively in communication connection with the data analysis processing module 2; the farmland ecological environment monitoring module 1 is a wireless sensor network for monitoring farmland ecological environment, is used for acquiring farmland ecological environment parameters and sending the farmland ecological environment parameters to the data analysis processing module 2; and the data analysis processing module 2 is used for storing farmland ecological environment parameters and other farmland information and analyzing and processing the farmland ecological environment parameters.
Preferably, the data analysis processing module 2 comprises a data storage unit 10, a data analysis unit 20, and a communication unit 30; the data storage unit 10 is used for storing farmland ecological environment parameters and other farmland information; the data analysis unit 20 is used for comparing the farmland ecological environment parameters with the normal set values and outputting abnormal farmland ecological environment parameters; the communication unit 30 is used for realizing data communication between the data analysis processing module 2 and the intelligent terminal 3 as well as between the data analysis processing module and the farmland ecological environment monitoring module 1.
Further, the data analysis processing module further comprises an alarm unit 40, and the alarm unit 40 is connected with the data analysis unit 20 and the communication unit 30 and is used for sending an alarm signal to the intelligent terminal when the farmland ecological environment parameters are abnormal.
Preferably, the farmland ecological environment parameters comprise air temperature and humidity, soil temperature, soil humidity, wind speed, carbon dioxide concentration and illumination intensity of the orchard. The other farmland information comprises farmland area, crop number, crop type and crop growth condition information.
The embodiment of the invention realizes the acquisition of the large-area farmland ecological environment information data, can inquire the farmland ecological environment information data in real time, has low cost and is convenient for general popularization.
Preferably, farmland ecological environment monitoring module 1 include a plurality of farmland ecological environment parameter acquisition nodes that are used for carrying out farmland ecological environment parameter acquisition and be used for collecting the basic station of the farmland ecological environment parameter that farmland ecological environment parameter acquisition node sent, the basic station fuses the farmland ecological environment parameter of collection and sends to data analysis processing module 2.
During initialization, each farmland ecological environment parameter acquisition node acquires the level numbers of the self node and the neighbor nodes according to the distance from the base station, and the communication distance of the base station is set as D O The distance from the farmland ecological environment parameter acquisition node gamma to the base station is D γ-O If D is γ-O ≤D O If D is less than 1, the level number of the farmland ecological environment parameter acquisition node gamma is 1 O <D γ-O ≤1.5D O If the level number of the farmland ecological environment parameter acquisition node gamma is 2 and the level number is 1.5D O <D γ-O ≤2D O If D is less than 3, the level number of the farmland ecological environment parameter acquisition node gamma is 3 γ-O <2D O And the layer number of the farmland ecological environment parameter acquisition node gamma is 4.
In one embodiment, when the farmland ecological environment parameter collecting node is a multi-hop distance from the base station, the farmland ecological environment parameter collecting node selects a next-hop forwarding node to assist in forwarding the farmland ecological environment parameter, which specifically includes:
(1) Setting a father node set of the farmland ecological environment parameter acquisition nodes as all neighbor nodes with layer numbers smaller than that of the farmland ecological environment parameter acquisition nodes, setting a brother node set as neighbor nodes with layer numbers the same as that of the farmland ecological environment parameter acquisition nodes, setting L as the farmland ecological environment parameter acquisition nodes in the communication range of the farmland ecological environment parameter acquisition nodes, and setting the level of each neighbor node i (j) Expressing the forwarding capacity evaluation values of the father node set and the neighbor nodes j in the brother node set of the farmland ecological environment parameter acquisition node i, and calculating L according to the following formula i (j)：
In the formula, Q j 、Q j0 Respectively the current residual energy, initial energy, U of the neighbor node j i*j Representing the cooperative forwarding of the neighbor node j to the farmland ecological ring so farThe number of farmland ecological environment parameter packets of the environmental parameter acquisition node i, U i→j Indicates the number of farmland ecological environment parameter packets, U, sent by the farmland ecological environment parameter acquisition node i to the neighbor node j so far j ，P j Number of neighbor nodes, P, for neighbor node j has j Collecting the number of neighbor nodes of the node i for the farmland ecological environment parameters;
(2) Determining respective maximum forwarding capacity evaluation values of the sibling node set and the parent node set, and setting the maximum forwarding capacity evaluation value in the sibling node set as L i (x) The maximum forwarding capacity evaluation value in the parent node set is L i (y) if L i (x)<L i (y) then, L is selected i (y) the corresponding neighbor node is used as the next hop forwarding node, otherwise, the average forwarding capability evaluation value of the neighbor nodes in the father node set is calculated;
(3) The average forwarding capacity evaluation value of the neighbor nodes in the father node set is set asIf it isThen select L i (x) The corresponding neighbor node is used as the next jump sending node, otherwise, L is selected i And (y) taking the corresponding neighbor node as a next hop forwarding node.
In the embodiment, a calculation formula of the forwarding capacity evaluation value is designed based on the energy, the trust value and the node degree, a routing strategy of a next hop forwarding node is further designed, an optimal neighbor node is selected from a brother node set and a father node set as the next hop forwarding node, the reliability of forwarding and transmitting the farmland ecological environment parameters can be improved, compared with a mode of randomly selecting the next hop forwarding node, the communication overhead of the farmland ecological environment monitoring system can be reduced, the selection process is simple, and the routing path establishment delay is short.
In one embodiment, after selecting the next hop forwarding node, the farmland ecological environment parameter collecting node sorts the neighbor nodes in the remaining parent node set and sibling node set according to the descending order of the forwarding capability evaluation values, selects the neighbor node with the largest forwarding capability evaluation value as the remedial forwarding node, calculates the assisted forwarding probability, and sends the assisted forwarding probability to the remedial forwarding node, when the remedial forwarding node monitors that the forwarding node does not forward the farmland ecological environment parameter packet, the remedial forwarding node participates in the forwarding of the non-forwarded farmland ecological environment parameter packet according to the assisted forwarding probability, wherein the assisted forwarding probability is calculated according to the following formula:
(1) When the remediation forwarding node is a neighboring node to the forwarding node,
(2) When the remediation forwarding node is not a neighbor node of the forwarding node,
in the formula, M d Represents the assisted forwarding probability, R, of the remedial forwarding node d μ2 And the link quality between the farmland ecological environment parameter acquisition node mu and the next jump forwarding node v is represented, e is the farmland ecological environment parameter importance degree of the set farmland ecological environment parameter acquisition node, and the value range of e is (0,1).
Compared with the mode of directly replacing the next hop forwarding node or reselecting the forwarding path, the remediation forwarding node is arranged to assist in forwarding the farmland ecological environment parameter packet which is possibly discarded by the forwarding node, so that the reliability of farmland ecological environment parameter transmission is improved, the delay is short, and the expense for maintaining the stability of farmland ecological environment parameter transmission is greatly reduced;
in the embodiment, the assisted forwarding probability is calculated according to the link quality between the nodes and the importance degree of the farmland ecological environment parameters, and the assisted forwarding probability participates in forwarding of farmland ecological environment parameter packets which are possibly discarded, so that certain energy consumption overhead can be reduced and reliability of farmland ecological environment parameter routing can be improved compared with all assisted forwarding modes.
In one embodiment, when the remedial forwarding node monitors that the forwarding node does not forward the farmland ecological environment parameter packet, the forwarding assisting degree of trust is calculated in advance, and when the forwarding assisting degree of trust is greater than the set forwarding assisting degree of trust, the remedial forwarding node participates in forwarding the non-forwarded farmland ecological environment parameter packet according to the forwarding assisting probability; when the assisted forwarding trust level is smaller than the set assisted forwarding trust level, the remedial forwarding node does not participate in forwarding the unrewarded farmland ecological environment parameter packet, phi is set to represent the assisted forwarding trust level, and the calculation formula of phi is as follows:
in the formula, Q β 、Q β0 Respectively representing the current residual energy, the initial energy, Q of the remedying forwarding node beta T In order to set the minimum energy proportion threshold,for a set value function, whenWhen the temperature of the water is higher than the set temperature,when in useWhen the temperature of the water is higher than the set temperature,U β→α in order to remedy up to now the number of farmland ecological environment parameter packets, U, sent by the forwarding node beta to the forwarding node alpha β*α The number of farmland ecological environment parameter packets sent by the forwarding node alpha in cooperative forwarding is shown when the forwarding node beta is monitored by the remedial forwarding node beta.
In this embodiment, the remedial forwarding node determines whether to perform remedial forwarding on the farmland ecological environment parameter packet that may be discarded according to the trust record of the forwarding node, the assisted forwarding probability, and the current remaining energy of the remedial forwarding node, so that it is beneficial to improve the reliability of remedial forwarding of the farmland ecological environment parameter, and the forwarding node with the better energy-assisted trust record is retained.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A farmland ecological environment monitoring system for fine agriculture is characterized by comprising a farmland ecological environment monitoring module, a data analysis processing module and an intelligent terminal, wherein the farmland ecological environment monitoring module and the intelligent terminal are respectively in communication connection with the data analysis processing module; the farmland ecological environment monitoring module is a wireless sensor network for monitoring the farmland ecological environment and is used for acquiring farmland ecological environment parameters and sending the farmland ecological environment parameters to the data analysis and processing module; and the data analysis processing module is used for storing farmland ecological environment parameters and other farmland information and analyzing and processing the farmland ecological environment parameters.
2. The farmland ecological environment monitoring system for fine agriculture of claim 1, wherein the data analysis processing module comprises a data storage unit, a data analysis unit and a communication unit; the data storage unit is used for storing farmland ecological environment parameters and other farmland information; the data analysis unit is used for comparing the farmland ecological environment parameters with normal set values and outputting abnormal farmland ecological environment parameters; the communication unit is used for realizing data communication between the data analysis processing module and the intelligent terminal and between the data analysis processing module and the farmland ecological environment monitoring module.
3. The farmland ecological environment monitoring system for fine agriculture of claim 2, wherein the data analysis processing module further comprises an alarm unit for sending an alarm signal to the intelligent terminal when the farmland ecological environment parameters are abnormal.
4. The farmland ecological environment monitoring system for fine agriculture according to claim 1, wherein the farmland ecological environment monitoring module comprises a plurality of farmland ecological environment parameter collecting nodes for collecting farmland ecological environment parameters and a base station for collecting farmland ecological environment parameters sent by the farmland ecological environment parameter collecting nodes, and the base station fuses the collected farmland ecological environment parameters and sends the parameters to the data analysis processing module.
5. The farmland ecological environment monitoring system for fine agriculture of claim 4, wherein, during initialization, each farmland ecological environment parameter collecting node obtains the hierarchy numbers of the self node and the neighbor nodes according to the distance from the base station, and the communication distance of the base station is set as D O The distance from the farmland ecological environment parameter acquisition node gamma to the base station is D γ-O If D is γ-O ≤D O If D is less than 1, the level number of the farmland ecological environment parameter acquisition node gamma is 1 O <D γ-O ≤1.5D o If the level number of the farmland ecological environment parameter acquisition node gamma is 2, the level number is 1.5D o <D γ-o ≤2D o If D is less than 3, the level number of the farmland ecological environment parameter acquisition node gamma is 3 γ-O <2D O And the layer number of the farmland ecological environment parameter acquisition node gamma is 4.
6. The farmland ecological environment monitoring system for fine agriculture according to claim 5, wherein when the farmland ecological environment parameter collecting node has a multi-hop distance from the base station, the farmland ecological environment parameter collecting node selects a next-hop forwarding node to assist in forwarding the farmland ecological environment parameter, and specifically comprises:
(1) Setting a father node set of the farmland ecological environment parameter acquisition nodes as all neighbor nodes with layer numbers smaller than that of the farmland ecological environment parameter acquisition nodes, setting a brother node set as neighbor nodes with layer numbers the same as that of the farmland ecological environment parameter acquisition nodes, setting L as the farmland ecological environment parameter acquisition nodes in the communication range of the farmland ecological environment parameter acquisition nodes, and setting the level of each neighbor node i (j) Expressing the forwarding capacity evaluation values of the father node set and the neighbor nodes j in the brother node set of the farmland ecological environment parameter acquisition node i, and calculating L according to the following formula i (j)：
In the formula, Q j 、Q j0 Respectively the current residual energy, initial energy, U, of the neighbor node j i*j Indicates the number U of farmland ecological environment parameter packets of the neighbor node j which collaboratively forwards the farmland ecological environment parameter acquisition node i so far i→j Indicates the number of farmland ecological environment parameter packets, U, sent by the farmland ecological environment parameter acquisition node i to the neighbor node j so far j ，P j Number of neighbor nodes, P, for neighbor node j j Collecting the number of neighbor nodes of the node i for the farmland ecological environment parameters;
(2) Determining respective maximum forwarding capacity evaluation values of the sibling node set and the parent node set, and setting the maximum forwarding capacity evaluation value in the sibling node set as L i (%), the maximum forwarding capability evaluation value in the father node set is L i (y) if L i (％)<L i (y) then, L is selected i (y) the corresponding neighbor node is used as the next hop forwarding node, otherwise, the average forwarding capability evaluation value of the neighbor nodes in the father node set is calculated;
(3) Setting average forwarding capability of neighbor nodes in father node setAn evaluation value ofIf it isThen select L i (percent) corresponding neighbor node is used as next hop sending node, otherwise, L is selected i And (y) taking the corresponding neighbor node as a next hop forwarding node.
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| CN108401235A (en) * | 2018-02-09 | 2018-08-14 | 深圳市益鑫智能科技有限公司 | A kind of agriculture site environment parameter intelligent acquisition processing system based on big data |
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| CN109067872A (en) * | 2018-08-02 | 2018-12-21 | 梧州市兴能农业科技有限公司 | Soil quality monitoring system for precision agriculture |
| CN109254136A (en) * | 2018-09-19 | 2019-01-22 | 广州市花林景观工程有限公司 | Soil environment intelligent monitor system |
| CN109450994A (en) * | 2018-10-24 | 2019-03-08 | 广州源贸易有限公司 | Agricultural environment intelligent monitor system based on big data |
| CN110248162A (en) * | 2019-06-25 | 2019-09-17 | 衢州学院 | A kind of farmland ecological environment monitoring system and method for precision agriculture |
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Application publication date: 20180130 |