CN207529404U - Individual behavior tracking system of breeding hens based on RFID - Google Patents
Individual behavior tracking system of breeding hens based on RFID Download PDFInfo
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- CN207529404U CN207529404U CN201721317616.7U CN201721317616U CN207529404U CN 207529404 U CN207529404 U CN 207529404U CN 201721317616 U CN201721317616 U CN 201721317616U CN 207529404 U CN207529404 U CN 207529404U
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- 238000009395 breeding Methods 0.000 title abstract description 5
- 230000001488 breeding effect Effects 0.000 title abstract description 5
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- 238000009826 distribution Methods 0.000 claims description 3
- 230000035558 fertility Effects 0.000 abstract 1
- 230000012447 hatching Effects 0.000 abstract 1
- 239000013598 vector Substances 0.000 description 32
- 238000012545 processing Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 12
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- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
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Abstract
The utility model discloses a breeding hen individual behavior tracking system based on RFID, which comprises a reader-writer and an electronic tag which are connected in a wireless communication way; the reader-writer comprises a first radio frequency module, the first radio frequency module is respectively connected with the power supply module, the clock module and the first antenna module, and the first radio frequency module is in communication connection with the computer communication network through the read-write module; the electronic tag comprises a second radio frequency module and a battery module, the second radio frequency module is respectively in communication connection with a second antenna module and a control module, and the control module is connected with a memory; the reader-writer and the electronic tag are in wireless communication connection through the first antenna module and the second antenna module. The utility model discloses can accurately acquire the individual position of breeding hen and the orbit pursuit information of motion, effectively improve the fertility rate of breeding hen, the rate of hatching and welfare level.
Description
Technical field
The utility model is related to agriculture kind of fowl raising monitoring technology field, especially a kind of kind chicken individuals rows based on RFID
For tracing system.
Background technology
In poultry house, currently used cage pattern pursues high-density breeding, although space can be effectively reduced
With save cost, but since stocking density is excessive, the activity space of chicken is reduced, lack of exercise, and the constitution of chicken is caused to weaken, makes bone
Bone development is affected, foot, wing frangibility and toe wound, when sanitary condition difference in house, often by staphylococcus, Escherichia coli
Infection, while chicken rate of fertilization can be reduced, influence the growth and development of chicken.In order to overcome the shortcomings of existing cage pattern, improve chicken
Welfare only is horizontal, is badly in need of designing a set of this friendship cage breeder individual behavior tracing system based on ultra-high frequency RFID technology, into
Row activity monitors, and quantifies breeder individual behavior and production performance index.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of breeder individual behavior tracing system based on RFID, energy
The deficiencies in the prior art are enough solved, the accurate trajectory track information for obtaining kind of chicken individuals position and movement effectively improves breeder
Rate of fertilization, chickling-surviving rate and benefit level.
In order to solve the above technical problems, technical solution adopted in the utility model is as follows.
A kind of breeder individual behavior tracing system based on RFID includes the reader and electronics mark of wireless telecommunications connection
Label；
Reader include the first radio-frequency module, the first radio-frequency module respectively with power module, clock module and first antenna
Module is connected, and the first radio-frequency module is connected by module for reading and writing and Computer Communication Networks communication；
Electronic tag include the second radio-frequency module and battery module, the second radio-frequency module respectively with the second Anneta module and control
Module communication connection processed, control module are connected with memory；
Reader realizes that wireless telecommunications connect by first antenna module with electronic tag with the second Anneta module.
Preferably, the first antenna module is arranged at the top of chicken coop, four first antenna modules are set altogether, first day
The rectangular distribution of wire module, there are one electronic tags for the central point setting of four first antenna module composition rectangular areas, are used for
The measuring environment factor.
A kind of method for tracing of the above-mentioned breeder individual behavior tracing system based on RFID, includes the following steps：
Reader launches radiofrequency signal by the first radio-frequency module, if having electricity in effective working region of reader
In the presence of subtab, electronic tag obtains energy, so as to be activated；Information stored by its inside is passed through second by electronic tag
Anneta module issues reader；After reader receives the signal that electronic tag sends over, by processing, by effective information
The host for sending backstage to by Computer Communication Networks carries out relevant processing；Calculate shifting of the object to be measured in all directions
Dynamic distance is obtained and kind of fowl raising assessment of scenario is reported using curve matching, big data processing.
Preferably, curve matching includes the following steps,
Data-oriented point pi(xi,yi), wherein i=1,2 ..., m；Curve of approximation y=φ (x) are sought, and are caused approximate bent
The deviation of line and y=f (x) are minimum, and curve of approximation is in point piThe deviation δ at placei=φ (xi)-y, i=1,2 ..., m；Make deviation exhausted
It carries out curve fitting to the method for value maximum, formula is
Preferably, big data processing includes the following steps,
Big data processing analysis is carried out with R language, spark is calculated, in fact as large-scale data Computational frame using memory
The existing short time completes processing and the computation model of a large amount of data, and the sparkly of R language provides connecing for R language and Spark
Mouthful, it realizes in the case where data volume is big, using the rapid data analysis of Spark and the figure of processing capacity combination R language
Change displaying function.
Preferably, being positioned to target exploitation reaching time-difference to be measured, include the following steps,
The time that electronic tag signal in unified object to be measured reaches two different first antenna modules is different, according to
The aerial spread speed of electromagnetic wave calculates range difference R of the target labels apart from them21, object to be measured is positioned at two
First antenna module is focus, R21On hyperbola for mark difference；Then retain the first antenna module of an initial selected, then select
A new first antenna module is taken, calculates the range difference R of object to be measured and the two first antenna modules31, object to be measured position
In using two first antenna modules as focus, R31On hyperbola for mark difference, so as to which object to be measured is located at two hyp friendships
On point, the positioning of object to be measured is realized.
Preferably, being positioned to target exploitation signal strength to be measured, include the following steps,
The beam power of first antenna module is reached according to electronic tag in object to be measured, calculates object to be measured to three
The distance of first antenna module is D1, D2 and D3, and object to be measured is located at using three first antenna modules as the center of circle, with D1, D2, D3
The point of intersection of circle for radius, computation model areWherein P0Represent first antenna
The power that module receives, P represent the power of first antenna module transmitting, r0Represent electronic tag apart from first antenna module
Distance, r represent object to be measured to the distance of first antenna module.
Preferably, being positioned to target exploitation topological method to be measured, include the following steps,
State-detection vector is established, vector represents as follows,
<TagID,T,aderID,RSSI>,
Tag identification number Tag ID:Tag identification number is first parameter in location vector, that is, identifies the label
The globally unique number being stored in inside tags chip of identity；Target labels on the move can be by first antenna module
It reads, and is transmitted in reader by target labels；Mobile label information transmits in reader topological network, and is transmitted
To background system；Background system relies on the tag identification number in location vector, and location vector caused by each label is divided into
One group, then the path of each target labels is calculated respectively, so as to fulfill to target labels locating and monitoring；
Read moment T:It is the second parameter in location vector to read the moment, that is, target labels are by first antenna mould
The time that block perceives；After a target labels have entered the reading area of first antenna module, first antenna
Module only reads label primary and one location vector of generation；Location vector only enters first antenna module with label and reads
The region moment generates；
Reader identifier Reader ID:Reader identifier is the third parameter of location vector；When a target mark
A location vector will be generated in reader topological network and send after the information of label is read by a first antenna module
Into background computer system, background computer system can judge target labels according to the reader identifier in location vector
Residing general location in a network；In reader topological network, in two location vectors that adjacent moment generates, reader
All all it is spatially adjacent；
Signal strength RSSI：When mobile target labels enter the working region of first antenna module, first antenna module
The signal strength of label can be read, the tag signal strength that first antenna module is read and the reference mark being deployed in around it
The signal strength of label and virtual label is compared, and finds out the position coordinates that more can definitely reflect target labels；
All reference labels are positioned to a plane grid by rule, and target labels are in this grid；And this
Grid is further divided into many small grids, each is divided into N × N number of size by the small grid that four reference labels cover
Identical virtual grid unit, and each virtual grid unit is covered by the virtual reference label that four are distributed on cell angle
Lid, since the coordinate of reference label is known, the coordinate of virtual reference label is also known；First antenna module workspace
Entire localization region is covered, and is also divided into many zonules, wherein the center in each region corresponds to a virtual ginseng
Examine label；Each first antenna module is there are one working region, if some regions that first antenna module is read
RSSI and the RSSI value absolute value of the difference of label to be positioned read are within some threshold value, then by these zone markers；
Equipped with K first antenna module, then after K first antenna module working region is obtained, by taking intersection can
With obtain label most probable to be positioned region；If the number of regions finally obtained is n, then it can pass through formula:
Calculate the coordinate of label to be positioned, wherein weight wi=w1i*w2i, wherein w1iIt represents virtual reference label and is determined
Position label deviation, w2iIt is the correlation function of last gained areal concentration, (xi,yi) it is reference coordinate in Probability Area, wherein N
=30, threshold value takes 1.
Preferably, when first antenna module reads electronic tag, it may appear that the situation of skip solves this
The step of situation, includes,
When an electronic tag again and again is moved along the boundary line of the read range of a first antenna module,
This first antenna module can repeatedly read this target labels at different times, so as to background system can receive it is multiple fixed
Bit vector；The total characteristic of these location vectors is：Identical first antenna module id number, different timestamps, identical mark
Sign identifier；But most vectors are the filterings that redundant data is carried out by filter algorithm of redundancy, specific filter method is such as
Under：
According to the computational methods given by above formula, 2 location vectors are filtered out, process is as follows：
Wherein t1<t2<t3<t4<t5<t6。
It is using advantageous effect caused by above-mentioned technical proposal：The utility model passes through to kind of a chicken individuals trace information
Acquisition, analysis system, obtain to move the continual continuous description of chicken, so as to obtain kind of chicken individuals position and movement
Trajectory track information.Reference can be provided for the popularization of the corollary equipment and technique of this friendship cage pattern, effectively improve breeder
Rate of fertilization, chickling-surviving rate and benefit level.
Description of the drawings
Fig. 1 is the hardware structure diagram of one specific embodiment of the utility model.
Fig. 2 is the schematic diagram of signal strength positioning method in one specific embodiment of the utility model.
Specific embodiment
The standardized element used in the utility model can commercially, and shaped piece is according to specification and attached
The record of figure can carry out it is customized, the specific connection mode of each part using bolt ripe in the prior art, rivet,
The conventional means such as welding, stickup, this will not be detailed here.
With reference to Fig. 1-2, one specific embodiment of the utility model includes the reader 1 and electronics mark of wireless telecommunications connection
Label 2；
Reader 1 include the first radio-frequency module 11, the first radio-frequency module 11 respectively with power module 12, clock module 13 and
First antenna module 15 is connected, and the first radio-frequency module 11 is connected by module for reading and writing 14 and the communication of Computer Communication Networks 3；
Electronic tag 2 include the second radio-frequency module 21 and battery module 22, the second radio-frequency module 21 respectively with the second antenna
Module 23 and the communication connection of control module 24, control module 24 are connected with memory 25；
Reader 1 realizes that wireless telecommunications connect by first antenna module 15 with electronic tag 2 with the second Anneta module 23.
The first antenna module 15 is arranged at the top of chicken coop, sets four first antenna modules 15, first antenna mould altogether
15 rectangular distribution of block, there are one electronic tags 2 for the central point setting of four composition of first antenna modules 15 rectangular areas, are used for
The measuring environment factor.
A kind of method for tracing of the above-mentioned breeder individual behavior tracing system based on RFID, includes the following steps：Read-write
Device 1 launches radiofrequency signal by the first radio-frequency module 11, if having electronic tag 2 in effective working region of reader 1
In the presence of, electronic tag 2 obtains energy, so as to be activated；Information stored by its inside is passed through the second antenna by electronic tag 2
Module 23 issues reader 1；After reader 1 receives the signal that electronic tag 2 sends over, by processing, will effectively it believe
The host that breath sends backstage to by Computer Communication Networks 3 carries out relevant processing；Object to be measured is calculated in all directions
Displacement distance, obtain and kind of fowl raising assessment of scenario reported using curve matching, big data processing.
Curve matching includes the following steps,
Data-oriented point pi(xi,yi), wherein i=1,2 ..., m；Curve of approximation y=φ (x) are sought, and are caused approximate bent
The deviation of line and y=f (x) are minimum, and curve of approximation is in point piThe deviation δ at placei=φ (xi)-y, i=1,2 ..., m；Make deviation exhausted
It carries out curve fitting to the method for value maximum, formula is
Big data, which is handled, to be included the following steps,
Big data processing analysis is carried out with R language, spark is calculated, in fact as large-scale data Computational frame using memory
The existing short time completes processing and the computation model of a large amount of data, and the sparkly of R language provides connecing for R language and Spark
Mouthful, it realizes in the case where data volume is big, using the rapid data analysis of Spark and the figure of processing capacity combination R language
Change displaying function.
Target exploitation reaching time-difference to be measured is positioned, is included the following steps,
The time that electronic tag signal in unified object to be measured reaches two different first antenna modules 15 is different, root
According to the aerial spread speed of electromagnetic wave, range difference R of the target labels apart from them is calculated21, object to be measured is positioned at two
A first antenna module 15 is focus, R21On hyperbola for mark difference；Then retain the first antenna module of an initial selected
15, then a new first antenna module 15 is chosen, calculate the range difference R of object to be measured and the two first antenna modules 1531,
It is focus that object to be measured, which is located at two first antenna modules 15, R31On hyperbola for mark difference, so as to which object to be measured is located at two
On a hyp intersection point, the positioning of object to be measured is realized.
Target exploitation signal strength to be measured is positioned, is included the following steps,
The beam power of first antenna module 15 is reached according to electronic tag in object to be measured 2, object to be measured is calculated and arrives
The distance of three first antenna modules 15 is D1, D2 and D3, and object to be measured is located at three first antenna modules (15) for the center of circle,
Using D1, D2, D3 as the point of intersection of the circle of radius, computation model isWherein P0Table
Show the power that first antenna module 15 receives, P represents the power of 15 transmitting of first antenna module, r0Represent electronic tag 2 away from
With a distance from first antenna module 15, r represents object to be measured to the distance of first antenna module 15.
Target exploitation topological method to be measured is positioned, is included the following steps,
State-detection vector is established, vector represents as follows,
<TagID,T,aderID,RSSI>,
Tag identification number Tag ID:Tag identification number is first parameter in location vector, that is, identifies the label
The globally unique number being stored in inside tags chip of identity；Target labels on the move can be by first antenna module
15 read, and are transmitted in reader 1 by target labels；Mobile label information transmits in 1 topological network of reader, and by
It is transmitted to background system；Background system relies on the tag identification number in location vector, by location vector caused by each label
It is divided into one group, then the path of each target labels is calculated respectively, so as to fulfill to target labels locating and monitoring；
Read moment T:It is the second parameter in location vector to read the moment, that is, target labels are by first antenna mould
The time that block 15 perceives；After a target labels have entered the reading area of first antenna module 15, first
Anneta module 15 only reads label primary and one location vector of generation；Location vector only enters first antenna mould with label
The 15 reading area moment of block generates；
Reader identifier Reader ID:Reader identifier is the third parameter of location vector；When a target mark
It is concurrent that a location vector will be generated after the information of label is read by a first antenna module 15 in 1 topological network of reader
It is sent in background computer system, background computer system can judge target according to 1 identifier of reader in location vector
Label residing general location in a network；In 1 topological network of reader, in two location vectors that adjacent moment generates,
Reader 1 is all spatially adjacent；
Signal strength RSSI：When mobile target labels enter the working region of first antenna module 15, first antenna mould
Block 15 can read the signal strength of label, the tag signal strength and be deployed in around it that first antenna module 15 is read
Reference label and the signal strength of virtual label are compared, and find out the position coordinates that more can definitely reflect target labels；
All reference labels are positioned to a plane grid by rule, and target labels are in this grid；And this
Grid is further divided into many small grids, each is divided into N × N number of size by the small grid that four reference labels cover
Identical virtual grid unit, and each virtual grid unit is covered by the virtual reference label that four are distributed on cell angle
Lid, since the coordinate of reference label is known, the coordinate of virtual reference label is also known；First antenna module 15 works
Area covers entire localization region, and is also divided into many zonules, wherein the center in each region corresponds to one virtually
Reference label；Each first antenna module 15 is there are one working region, if some districts that first antenna module 15 is read
The RSSI in domain and the RSSI value absolute value of the difference of label to be positioned read are within some threshold value, then by these zone markers；
Equipped with K first antenna module 15, then after K 15 working region of first antenna module is obtained, handed over by taking
Collection can obtain label most probable to be positioned region；If the number of regions finally obtained is n, then it can pass through formula:
Calculate the coordinate of label to be positioned, wherein weight wi=w1i*w2i, wherein w1iIt represents virtual reference label and is determined
Position label deviation, w2iIt is the correlation function of last gained areal concentration, (xi,yi) it is reference coordinate in Probability Area, wherein N
=30, threshold value takes 1.
When first antenna module 15 reads electronic tag 2, it may appear that the situation of skip solves this case
Step includes,
When an electronic tag 2 again and again is moved along the boundary line of the read range of a first antenna module 15
When, this first antenna module 15 can repeatedly read this target labels at different times, so as to which background system can receive
Multiple location vectors；The total characteristic of these location vectors is：Identical 15 identification number of first antenna module, different timestamps,
Identical tag identification number；But most vectors are the filterings that redundant data is carried out by filter algorithm of redundancy, specific mistake
Filtering method is as follows：
According to the computational methods given by above formula, 2 location vectors are filtered out, process is as follows：
Wherein t1<t2<t3<t4<t5<t6。
Reader 1 uses Thingmagic-M6E readers, and electronic tag 2 uses RI-R3120 hyperfrequency chicken feet rings, the
One Anneta module 15 uses micro-strip ceramic antenna.
In the description of the present invention, it is to be appreciated that term " longitudinal direction ", " transverse direction ", " on ", " under ", " preceding ",
The orientation or position relationship of the instructions such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on
Orientation shown in the drawings or position relationship are for only for ease of description the utility model rather than instruction or imply signified dress
It puts or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the utility model
Limitation.
The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (1)
1. a kind of breeder individual behavior tracing system based on RFID, it is characterised in that：Include the reader of wireless telecommunications connection
(1) and electronic tag (2)；
Reader (1) includes the first radio-frequency module (11), the first radio-frequency module (11) respectively with power module (12), clock module
(13) it is connected with first antenna module (15), the first radio-frequency module (11) passes through module for reading and writing (14) and Computer Communication Networks
(3) communication connection；
Electronic tag (2) includes the second radio-frequency module (21) and battery module (22), and the second radio-frequency module (21) is respectively with second
Anneta module (23) and control module (24) communication connection, control module (24) are connected with memory (25)；
Reader (1) and electronic tag (2) realize wireless telecommunications by first antenna module (15) and the second Anneta module (23)
Connection；
The first antenna module (15) is arranged at the top of chicken coop, sets four first antenna modules (15), first antenna mould altogether
Block (15) rectangular distribution, there are one electronic tags for the central point setting of four first antenna module (15) composition rectangular areas
(2), for the measuring environment factor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721317616.7U CN207529404U (en) | 2017-10-13 | 2017-10-13 | Individual behavior tracking system of breeding hens based on RFID |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721317616.7U CN207529404U (en) | 2017-10-13 | 2017-10-13 | Individual behavior tracking system of breeding hens based on RFID |
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| Publication Number | Publication Date |
|---|---|
| CN207529404U true CN207529404U (en) | 2018-06-22 |
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ID=62568802
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| CN201721317616.7U Active CN207529404U (en) | 2017-10-13 | 2017-10-13 | Individual behavior tracking system of breeding hens based on RFID |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107704905A (en) * | 2017-10-13 | 2018-02-16 | 河北农业大学 | RFID-based individual breeding hen behavior tracking system and tracking method thereof |
| CN113343729A (en) * | 2021-06-01 | 2021-09-03 | 河北农业大学 | Multi-target chicken positioning system in cage and positioning method thereof |
-
2017
- 2017-10-13 CN CN201721317616.7U patent/CN207529404U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107704905A (en) * | 2017-10-13 | 2018-02-16 | 河北农业大学 | RFID-based individual breeding hen behavior tracking system and tracking method thereof |
| CN113343729A (en) * | 2021-06-01 | 2021-09-03 | 河北农业大学 | Multi-target chicken positioning system in cage and positioning method thereof |
| CN113343729B (en) * | 2021-06-01 | 2022-10-18 | 河北农业大学 | Multi-target chicken positioning system in cage and positioning method thereof |
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