CN101149867A - Tea garden microdomain monitoring method and system based on radio sensor network - Google Patents
Tea garden microdomain monitoring method and system based on radio sensor network Download PDFInfo
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- CN101149867A CN101149867A CNA2007101561268A CN200710156126A CN101149867A CN 101149867 A CN101149867 A CN 101149867A CN A2007101561268 A CNA2007101561268 A CN A2007101561268A CN 200710156126 A CN200710156126 A CN 200710156126A CN 101149867 A CN101149867 A CN 101149867A
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Abstract
A tea-garden micro-area monitoring-controlling method and system based on a wire-less sensor network is disclosed. A node of the wire-less sensor network and a sensor plate are connected together to form a monitoring point. The sensor plate transmits the detected data to the node which processes the data and then sends out the data in wire-less type. The nodes in monitoring area set up a network through radio frequency. The node sends the data to a collection node which is connected with a server through gateway. The monitoring software in the server analyzes, processes, displays and stores the data. User' terminal can access the server through Internet and see the monitored original data and data curve. The invention can monitor the effect to tea by some key climate factors and set up a relation model of climate factors and tea quality and yield and predict and pre-warn freezing or insect disaster etc..
Description
Technical field
The present invention relates to wireless sensor technology, especially relate to tea garden microdomain monitoring method and system based on wireless sensor network.
Background technology
China is the country of tea place cultivated area maximum in the world, tea yield row No. 1 in the world.Simultaneously, tealeaves is the important industrial crops of China, and the whole nation had 20 provinces to produce tealeaves in 2003, relate to about 8,000 ten thousand people of tea personnel, more than 130 hundred million yuan of the tealeaves agricultural output values, the tealeaves and the related industry output value thereof surpass 40,000,000,000 yuan, account for the total GDP of national economy about 0.4%.Tea Industry is a high-efficiency agriculture, and the development Tea Industry is No. 1 files of response central authorities, to promoting the adjustment of China's economic structue of agriculture, increases farmers' income, and promotes rural development, and promotes that the central and west regions peasant programme is significant.Simultaneously, tealeaves has also been represented Chinese culture.Dragon Well tea, famous tealeaves brand such as Mao Feng also has deep influence power in the world.
But tealeaves very easily is subjected to effect of natural conditions such as freeze injury, insect pest.The whole province lost above 1,000,000,000 yuan just because meet with ice and snow weather in 2005 to 2006 in single Zhejiang Province.
And little territory weather conditions monitoring in tea place can not reach by manpower purely.At present, also there is not the ripe system of a cover can monitor the growing environment in tea place.
Summary of the invention
The object of the present invention is to provide tea garden microdomain monitoring method and system based on wireless sensor network.
The technical scheme that the present invention solves its technical matters employing is:
One, a kind of tea garden microdomain monitoring method based on wireless sensor network, the step of this method is as follows:
1) finishes the making of node, and pass through the avr emulator and download the Surge_Reliable protocol procedure;
2) these nodes are plugged sensor board, constitute a monitoring point, opening power makes it in running order, is arranged in then in the tea place;
3) selecting one of them node is aggregation node, and it directly links to each other with gateway, and gateway is connected with server by serial ports;
4) start Matlab on server, input MatTOS gets final product runtime server end program in command window;
5) remote client opens client software, and the IP address of input server and the port numbers of server broadcast data can begin the access server data after the successful connection in connecting window;
6) tool button at selection server software interface and client software interface is finished raw data and is read, and data and curves and topological diagram are drawn, and data are preserved.
Described each node all has ID number separately, with this ID number and node placement location correspondence, finds out the anomalous event scene rapidly by observing topological diagram.
Because range for wireless communication is limited, the packet that described node produces not is direct arrival aggregation node, but with the transmission that between node, draws near of the mode of multi-hop, and finally receive for aggregation node, routing procedure adopts the Surge_Reliable agreement, and it is a kind of searching process of self start type, and each node is by the analysis of history data, from neighbours, select the less node of reliable communications and overall cost as father node, send data to it.
Described monitoring point can be monitored temperature in the tea place, humidity, photometric data in real time.Can monitor simultaneously the electric weight of each node.
Two, a kind of tea garden microdomain monitoring system based on wireless sensor network, this system comprises a plurality of sensor nodes, sensor board, and server software and client software, sensor board and sensor node are plugged on together, constitute a monitoring point, connect into network by wireless channel between the sensor node, final data is sent to aggregation node, aggregation node is connected with server by gateway, data are shown preserve and assessment, the remote client is by internet and client software access server.
Described sensor node comprises rf board and mainboard, and the CC2420 wireless communication chips in the rf board is connected with antenna by impedance matching circuit; Atmega128L microprocessor chip in the mainboard is respectively with outside flash storer, LED lamp, 51 pin I/O connectors, jtag interface be connected with serial ports through level transferring chip, and rf board is connected with mainboard by 12 pin connectors, and power supply is to main board power supply.
Described software systems mainly are divided into server end master routine and Terminal Server Client master routine, wherein:
1) the server end master routine comprises 7 parts: the serial ports interactive portion is the serial port function part of the bottom, adopts Java to write; The serial ports read operation is partly finished cooperating of Java and MATLAB, control serial ports read-write process; Resolve the raw data of reading in the packet display part, and useful data is partly shown, and the relevant information that will read process simultaneously shows; Drawing data curve and topology diagram are partly finished the curve plotting of light intensity, temperature and sound intensity data, and the drafting of network topology structure figure; Data are preserved and are opened the data division of having preserved and realize data access respectively; Packet networks issue part is after starting server capability as the user, adopts multicasting technology to be published to Internet the packet of tentatively resolving and gets on;
2) the Terminal Server Client master routine comprises 3 parts: the packet networks receiving unit is monitored the packet that sent from server end, passes to and carries out subsequent treatment on the local computer; Packet display part and drawing data curved portion are identical with the function of server end appropriate section, but the implementation method difference, the former carries out in MATLAB, and the latter carries out in Java.
The beneficial effect that the present invention has is:
Based on building of the tea garden microdomain weather intelligent monitor system of wireless sensor network, can provide real-time environmental aspect for the tea garden management person, help to understand the parameter distribution of whole tea garden soil humidity, insect pest situation, growth conditions, emergency condition is made early warning handle, greatly reduce the manpower expense of tea garden management.From for a long time, this system can help the scientific research personnel to set up climatic factor and tea leaf quality and relation of yield model, thereby helps the grower to improve kind of a method for planting, improves quality of tea leaves and output, and reduces the utilization of pesticides amount.In native system, sensor node will be equipped with special outer cover packaging, not discharge objectionable impurities, and convenient the recovery is very little to environmental impact.The data processing module of node adopts Atmega128L, and data-handling capacity is strong, and energy consumption is low.Data between nodes communication has guaranteed the reliable and efficient of data communication based on ZigBee.Upper layer software (applications) mainly adopts the MATLAB code compiling, the superior function of MATLAB aspect the data analysis processing is applied in the data processing of wireless sensor network, to improve the processing power and the work efficiency of network, adapt to the processing of large-scale data and the use of advanced mathematical method.Compare with other programming languages, MATLAB is multiple functional, and has outstanding advantage such as aspects such as signal Processing, mathematical computations, statistical study.In a word, must be by setting up tea garden microdomain weather intelligent monitor system, obtain the environmental parameter of microscale, further investigate of the influence of various crucial climatic factors to tea growth, set up climatic factor and tea leaf quality and relation of yield model, carry out the early warning of the forecast of tea yield, quality and freeze injury, insect pest, improve tea place per unit area yield benefit.
Description of drawings
Fig. 1 is an one-piece construction block diagram of the present invention.
Fig. 2 is a sensor node structural drawing of the present invention.
Fig. 3 is the structural drawing of server software.
Fig. 4 is the structural drawing of remote client software.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
As shown in Figure 1, the structure of having described integral body of the present invention is formed.In the wireless sensor network zone, each sensor node is connected with sensor board, constitutes a monitoring point.Sensor board sends the data that monitor to sensor node, and sensor node sends data with wireless after treatment.The neighbor node of node and it couples together the composition network by less radio-frequency.The data that node produces finally all send aggregation node to.Because range for wireless communication is limited, the packet that node produces not is direct arrival aggregation node, but with the transmission that between node, draws near of the mode of multi-hop, and finally be the aggregation node reception.Routing procedure adopts the Surge_Reliable agreement, and it is a kind of searching process of self start type, and each node is selected the less node of reliable communications and overall cost as father node by the analysis of history data from neighbours, send data to him.Its characteristics show self-organization, optimization process and have aspects such as reliability mechanisms.The aggregation node of network also is common sensor node, and it directly links to each other with gateway (gateway).Gateway is connected with server by serial ports, is responsible for the data upload that monitors in the network to server.The monitoring software of server end can be handled the back through statistical method with these data and show, simultaneously also can be by the demonstration of diagrammatic form.System can save historical data, and the convenient tea leaf scientific research personnel sets up historical data base.The topological structure that node connects can also be drawn by system, observes the node working condition in the monitoring of environmental.Client obtains raw data and data and curves by the Internet access server.
As shown in Figure 2, be the one-piece construction figure of wireless sensor node.Node is divided into mainboard and rf board.Mainboard mainly is the processing and and the data transmission of host computer, sensor board of data.Rf board be used for wireless transmission and receive data and network in other node communicate, form network.The master chip of mainboard is Atmega128L, and the data that its receiving sensor plate sends over send to wireless radio frequency modules through analog to digital conversion with after further handling.The master chip of rf board is CC2420, and it carries out conversion with data, and spread spectrum after the modulation, sends with the frequency of 2.4G.Power unit is two joint dry cells, for mainboard and rf board provide power supply.
Mainly contain the connector of one 51 pin on the sensor board, a power supply control chip and various sensor.Node is connected with sensor board by connector.Control the power supply supply of various sensors by the control power supply.Sensor is the temperature that monitors, humidity, and photometric data with the form of voltage, is sent to the analog to digital conversion pin of data processing master chip by connector.
As shown in Figure 3, be the server software structure.The serial ports interactive portion is the serial port function part of the bottom, adopts Java to write; The serial ports read operation is partly finished cooperating of Java and MATLAB, control serial ports read-write process; Resolve the raw data of reading in the packet display part, and useful data is partly shown, and the relevant information that will read process simultaneously shows; Drawing data curve and topology diagram are partly finished the curve plotting of light intensity, temperature and sound intensity data, and the drafting of network topology structure figure; Data are preserved and are opened the data division of having preserved and realize data access respectively; Packet networks issue part is after starting server capability as the user, adopts multicasting technology to be published to Internet the packet of tentatively resolving and gets on.
Serial ports connection attribute defined by the user is constructed serialObject then earlier, calls the connect function.After success connects, show the information of successful connection, wait for that simultaneously the user takes orders.After obtaining taking orders, call the receive function, begin to receive data.After serial ports has data to put forward, call MatTOS, resolve the packet of receiving, be stored in the dynamic area behind the extraction useful information.Call the UserFcn.m function then, whether the contour level of digital filtering data disposal route can be applied directly in the wireless sensor network data processing like this, and can realize the dynamic process function, and differentiate packet and make mistakes.If received error message, can show " bad packet " in the data presentation table so, and video data bag error message in the feedback information frame.If packet is not made mistakes, so just the data that receive are converted to the decimal system or 16 systems, in the raw information of data field video data bag, the node number of while video data Bao Yuan in the feedback information frame.Next be the analysis of data and the drafting of curve map.If what receive is the misdata bag, this section is left a blank on the data and curves so.When showing continuously, this section curve is between the normal data and the next normal data of receiving received last time.If the packet of receiving is not made mistakes, just data are converted to the decimal system, draw the segment of curve that is carved into the various measured parameter in this moment for the moment then.Observe the node number of this source data packet simultaneously,, just this point is added in the topological diagram, and preserve current topology information, check after being provided with if this node does not appear in the current topological diagram.
As shown in Figure 4, be Terminal Server Client end software configuration.The Terminal Server Client master routine comprises 3 parts: the packet networks receiving unit is monitored the packet that sent from server end, passes to and carries out subsequent treatment on the local computer; Packet display part and drawing data curved portion are identical with the function of server end appropriate section, but the implementation method difference, the former carries out in MATLAB, and the latter carries out in Java.At first the user correctly imports server address and port, and user's request can send to the corresponding server end, after successfully connecting, can show successful link information.The double byte data circulation that receives is turned to the JAVA class, after specified data is correct, show raw data and time of reception, draw the curve of the various measured parameter of a time period to this time then.Can select simultaneously whether to hide this section curve.
Claims (7)
1. tea garden microdomain monitoring method based on wireless sensor network is characterized in that the step of this method is as follows:
1) finishes the making of node, and pass through the avr emulator and download Surge Reliable protocol procedure;
2) these nodes are plugged sensor board, constitute a monitoring point, opening power makes it in running order, is arranged in then in the tea place;
3) selecting one of them node is aggregation node, and it directly links to each other with gateway, and gateway is connected with server by serial ports;
4) start Matlab on server, input MatTOS gets final product runtime server end program in command window;
5) remote client opens client software, and the IP address of input server and the port numbers of server broadcast data can begin the access server data after the successful connection in connecting window;
6) tool button at selection server software interface and client software interface is finished raw data and is read, and data and curves and topological diagram are drawn, and data are preserved.
2. a kind of tea garden microdomain monitoring method according to claim 1 based on wireless sensor network, it is characterized in that: described each node all has ID number separately, with this ID number and node placement location correspondence, find out the anomalous event scene rapidly by observing topological diagram.
3. a kind of tea garden microdomain monitoring method according to claim 1 based on wireless sensor network, it is characterized in that: because range for wireless communication is limited, the packet that described node produces not is direct arrival aggregation node, but with the transmission that between node, draws near of the mode of multi-hop, and finally be that aggregation node receives.Routing procedure adopts Surge Reliable agreement, and it is a kind of searching process of self start type, and each node is selected the less node of reliable communications and overall cost as father node by the analysis of history data from neighbours, send data to it.
4. a kind of tea garden microdomain monitoring method based on wireless sensor network according to claim 1 is characterized in that: described monitoring point can be monitored temperature in the tea place, humidity, photometric data in real time.Can monitor simultaneously the electric weight of each node.
5. tea garden microdomain monitoring system based on wireless sensor network, it is characterized in that: this system comprises a plurality of sensor nodes, sensor board, and server software and client software, sensor board and sensor node are plugged on together, constitute a monitoring point, connect into network by wireless channel between the sensor node, final data is sent to aggregation node, aggregation node is connected with server by gateway, data are shown preserve and assessment, the remote client is by internet and client software access server.
6. a kind of tea garden microdomain monitoring system according to claim 5 based on wireless sensor network, it is characterized in that: described sensor node comprises rf board and mainboard, and the CC2420 wireless communication chips in the rf board is connected with antenna by impedance matching circuit; Atmega128L microprocessor chip in the mainboard is respectively with outside flash storer, LED lamp, 51 pin I/O connectors, jtag interface be connected with serial ports through level transferring chip, and rf board is connected with mainboard by 12 pin connectors, and power supply is to main board power supply.
7. a kind of tea garden microdomain monitoring system according to claim 5 based on wireless sensor network, it is characterized in that: described software systems mainly are divided into server end master routine and Terminal Server Client master routine, wherein:
1) the server end master routine comprises 7 parts: the serial ports interactive portion is the serial port function part of the bottom, adopts Java to write; The serial ports read operation is partly finished cooperating of Java and MATLAB, control serial ports read-write process; Resolve the raw data of reading in the packet display part, and useful data is partly shown, and the relevant information that will read process simultaneously shows; Drawing data curve and topology diagram are partly finished the curve plotting of light intensity, temperature and sound intensity data, and the drafting of network topology structure figure; Data are preserved and are opened the data division of having preserved and realize data access respectively; Packet networks issue part is after starting server capability as the user, adopts multicasting technology to be published to Internet the packet of tentatively resolving and gets on;
2) the Terminal Server Client master routine comprises 3 parts: the packet networks receiving unit is monitored the packet that sent from server end, passes to and carries out subsequent treatment on the local computer; Packet display part and drawing data curved portion are identical with the function of server end appropriate section, but the implementation method difference, the former carries out in MATLAB, and the latter carries out in Java.
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