CN105469009A - RFID performance evaluation method based on radio-frequency door - Google Patents
RFID performance evaluation method based on radio-frequency door Download PDFInfo
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- CN105469009A CN105469009A CN201510794188.6A CN201510794188A CN105469009A CN 105469009 A CN105469009 A CN 105469009A CN 201510794188 A CN201510794188 A CN 201510794188A CN 105469009 A CN105469009 A CN 105469009A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/0095—Testing the sensing arrangement, e.g. testing if a magnetic card reader, bar code reader, RFID interrogator or smart card reader functions properly
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Abstract
The invention relates to an RFID performance evaluation method based on a radio-frequency door, specifically comprising the following steps: (1) basic information modeling; (2) test model selection; and (3) performance test. Performance test includes: (1) single tag application performance test; (2) meter directivity test: testing the performance of a single-phase power meter at different angles between the single-phase power meter and an antenna; (3) single tag test in a group environment; and (4) group tag test in a group environment. The invention puts forward an evaluation method for applications in group tag and radio-frequency door scenes on the basis of traditional single tag performance evaluation.
Description
Technical field
The invention belongs to wireless communication technology field, relate to the analysis to RFID radio frequency door application scenarios, especially a kind of RFID performance evaluation methodology based on radio frequency door.
Background technology
At present, for a lot of enterprise, warehousing management is an important step of Company material management.Especially under current economic environment with keen competition, the WMS of a scientific and efficient often improves the competitive power of enterprise and reduces the operating cost of enterprise, so how optimization and upgrading WMS is subject to the attention of more and more enterprise.At present, the material management of a lot of enterprise adopts is bar codes technique.Although bar codes technique improves work efficiency to a certain extent, still need when managing bulky goods and going out to put in storage to rely on traditional artificial operation of barcode scanning piece by piece.Now inevitably just need to consider and increase work efficiency, reduce the probability of human error, reduce the problems such as the expenditure cost of company in material management.
Current many enterprises consider these problems and attempt to adopt up-to-date RFID warehouse-in detection technique, but just at present, mostly be based on RFID warehouse-in detection technique in industry and gather single tag environment and to place an order label information, but in actual applications often bulky goods go out the management of warehouse-in.Now inevitably need to consider that group tag environment places an order the problem such as collection of group's label information under the collection of label information and group's tag environment.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, the RFID performance evaluation methodology based on radio frequency door that a kind of structure is simple, highly sensitive, safe and reliable is provided.
The present invention solves its technical matters and takes following technical scheme to realize:
Based on a RFID performance evaluation methodology for radio frequency door, it is characterized in that: specifically comprise:
(1) Back ground Information modeling;
(2) select test parameter;
(3) performance test;
1. single label application performance test;
2. ammeter directivity test; The performance that test power single phase table and antenna show when being different angles;
3. group rings border place an order label test;
4. group's label test under group rings border.
And, step (1) Back ground Information modeling: have chosen the radio frequency door applied in storehouse management process as tested object.
And, the 2. ammeter directivity test of step (3) in performance test: tested ammeter and antenna become four angles to be respectively altogether: 0 °, 30 °, 60 °, 90 °, under each angle turntable with 30 ° for stepping rotation one week.
And, described step (3) in performance test 3. the label test that places an order of group rings border be divided into following steps:
The first step: test 24 pieces of ammeters, therefrom chooses the test of the close ammeter of 15 pieces of Performance comparision for second step;
Second step: by select 15 pieces of ammeters be placed on the diverse location of 20 casees ammeters, and 20 casees ammeters to be placed on pallet in order, to be transported in radio frequency door;
3rd step: be connected to radio frequency door internal antenna, this time test to choose in radio frequency door one group altogether, is distinguished the 15 pieces of ammeters chosen successively, record the emissive power reading ammeter and the label return signal power received by antenna;
4th step: rotate because radio frequency door can control turntable when real work, so two characteristic directions are chosen in test: enter direction and direction of going out.
And, group's label test under the 4. group rings border of described step (3) in performance test: carry out group's label information collection under stationary state or motion state group tag environment respectively.
Advantage of the present invention and good effect are:
The present invention, on the basis that tradition list tag performance is assessed, proposes for the appraisal procedure in group's label, the application of radio frequency door scene.
Accompanying drawing explanation
Fig. 1 is that the present invention tests schematic diagram;
Fig. 2 is test rotation sampling location schematic diagram;
Fig. 3 is the angle schematic diagram of A-A to sample plane;
Fig. 4 be group rings border place an order label test.
Embodiment
Below in conjunction with accompanying drawing, also by specific embodiment, the invention will be further described, and following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
Based on a RFID performance evaluation methodology for radio frequency door, low-power consumption RFID label tag PIE coding/decoding method specifically comprises:
(1) Back ground Information modeling
In order to carry out testing and analysis under concrete application scenarios, have chosen the radio frequency door applied in storehouse management process as tested object, Back ground Information is as follows:
On above Back ground Information, carry out laboratory modeling in laboratory, and the experiment expanded in laboratory in advance and data acquisition and data analysis.By analyzing, radio frequency door overall operation is better, there is not structural defect, but still may there is potential bottleneck.
Consider that Tianjin electric power itself is the test under group's tag environment, the needs application scenarios test carried out under group tag environment just can obtain the label data needed.
(2) select test parameter
According to the analysis to application scenarios, determine following basic parameter as the parameter next needing to carry out testing (every practical application scrnario testing according to demand and power of test, therefrom has selection to test)
Numbering | Test parameter | Describe |
1 | Tag sensitivity | Tag sensitivity refers to the minimum activation power of label |
2 | Label place backscatter power | The signal power that label feeds back upon activation |
3 | Recognition distance | The ultimate range that label can activate |
4 | Tag performance consistance | Detect the consistance of many tag performance |
5 | Application scenarios tag activation power | The activation power of label under Test Application scene |
6 | Link load | The difference of antenna place and label place field intensity during activation label |
7 | Group's tag activation power test | Group's tag environment, single tag activation power |
8 | Card reader sensitivity | The minimum signal power that card reader can receive |
9 | Card reader place emissive power | The watt level that card reader sends out |
(3) performance test
1. single label application performance test;
The present embodiment adopts the performance of Tagformance tag performance checkout equipment test label on ammeter of Voyantic company.
2. ammeter directivity test;
This part tested object is power single phase table (containing electronic tag, three sections of ammeters: Hangzhou hundred richness, Hangzhou Haixing County, Shenzhen space flight), the performance showed when test ammeter and antenna are different angles;
Test schematic diagram as shown in Figure 1, tested ammeter 1,4,5,6 and antenna 2 are divided into other four angles, angle between tested ammeter and antenna is designated as θ, θ=0 °, 30 °, 60 °, 90 °, each angle turntable 3 all with 30 ° for stepping rotate one week, therefore each plane all obtains 12 test positions, as shown in Figure 2.
Note, 12 points rotating gained when 0 ° of angle coincide together, and show as 1 point; On other peripheries, adjacent two angles become 30 ° (to rotate angle and be designated as β, β=0 °, 30 °, 60 °, 90 ° ..., 330 °), as shown in Figure 3.
This part image data is record at different frequent points, diverse location: tag sensitivity, label forward direction recognition distance, tag backscatter power.
3. group rings border place an order label test;
Two parts are analyzed the performance of independent label, the consistance of similar tag performance, tag orientation above; In radio frequency door practical application, be the environment that multiple label (the present embodiment adopts 240 pieces of ammeters) works together, i.e. group's labeling task environment.Label all can have impact to the performance of label each other and between ammeter, so this part will do dependence test for group's tag environment emphasis.
Group rings border place an order label test be divided into following steps:
The first step: utilize Tagformance to test 24 pieces of ammeters, therefrom chooses the test of the close ammeter of 15 pieces of Performance comparision for second step;
Second step: by select 15 pieces of ammeters to be placed on the diverse location of 20 casees ammeters according to Fig. 4, and 20 casees ammeters to be placed on pallet in order, to be transported in radio frequency door;
3rd step: use Tagformance to be connected to radio frequency door internal antenna, this time test to choose in radio frequency door one group (upper and lower each one altogether, radio frequency door respectively has one group of antenna at four direction), distinguished the 15 pieces of ammeters chosen by antenna successively, record the emissive power reading ammeter and the label return signal power received;
4th step: rotate because radio frequency door can control turntable when real work, so two characteristic directions are chosen in test: enter direction and direction of going out.
Symbol implication in accompanying drawing 4 is:
1) Z-direction is direction of entering, and X-direction is direction of going out;
2) position when current ammeter position is for entering, when going out, cube turn 90 degrees (seeing from top to bottom) around central shaft dextrorotation;
3) position of 1 ~ 15 point is the placement location of ammeter;
4) antenna 1 and 2 is two up and down of one group of antenna; As shown in Figure 4, can be obtained the recognition effect of 15 the position ammeters chosen by data analysis, the point of different colours is denoted as different reading states, is specially:
A) green point is denoted as minimum emissive power is about 23dBm or less, and recognition rate is high in a power section;
B) yellow dots will is denoted as and can reads once in a while, or minimum emissive power is more than 25dBm;
C) red point is denoted as and reads less than or put extremely individually to read.
4. group's label test under group rings border
In actual applications, electronic tag can be used for bulk article, the taking inventory of goods, so carrying out under many tag environment that group reads to test also is the pith that application scenarios is analyzed.
For test basic parameter listed above, according to actual conditions, choose the parameter that can test, under application scenarios, put into the label comparatively conformed to actual quantity, carry out the test of group label and record test data.This test can also be divided into multinomial test according to actual conditions, and under such as stationary state group tag environment, group's label information gathers and group's label information collection under motion state group tag environment.
Although disclose embodiments of the invention and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope not departing from the present invention and claims, various replacement, change and amendment are all possible, therefore, scope of the present invention is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (5)
1., based on a RFID performance evaluation methodology for radio frequency door, it is characterized in that: specifically comprise:
(1) Back ground Information modeling;
(2) select test parameter;
(3) performance test;
1. single label application performance test;
2. ammeter directivity test; The performance that test power single phase table and antenna show when being different angles;
3. group rings border place an order label test;
4. group's label test under group rings border.
2. the RFID performance evaluation methodology based on radio frequency door according to claim 1, is characterized in that: step (1) Back ground Information modeling: have chosen the radio frequency door applied in storehouse management process as tested object.
3. the RFID performance evaluation methodology based on radio frequency door according to claim 1, it is characterized in that: the 2. ammeter directivity test of step (3) in performance test: tested ammeter and antenna become four angles to be respectively altogether: 0 °, 30 °, 60 °, 90 °, under each angle turntable with 30 ° for stepping rotation one week.
4. the RFID performance evaluation methodology based on radio frequency door according to claim 1, is characterized in that: described step (3) in performance test 3. the label test that places an order of group rings border be divided into following steps:
The first step: test 24 pieces of ammeters, therefrom chooses the test of the close ammeter of 15 pieces of Performance comparision for second step;
Second step: by select 15 pieces of ammeters be placed on the diverse location of 20 casees ammeters, and 20 casees ammeters to be placed on pallet in order, to be transported in radio frequency door;
3rd step: be connected to radio frequency door internal antenna, this time test to choose in radio frequency door one group altogether, is distinguished the 15 pieces of ammeters chosen successively, record the emissive power reading ammeter and the label return signal power received by antenna;
4th step: rotate because radio frequency door can control turntable when real work, so two characteristic directions are chosen in test: enter direction and direction of going out.
5. the RFID performance evaluation methodology based on radio frequency door according to claim 1, is characterized in that: group's label test under the 4. group rings border of described step (3) in performance test: carry out group's label information collection under stationary state or motion state group tag environment respectively.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107064704A (en) * | 2017-03-15 | 2017-08-18 | 北京中科国技信息系统有限公司 | Rfid tag performance test system |
CN113673264A (en) * | 2021-10-21 | 2021-11-19 | 江苏省质量和标准化研究院 | UHF RFID tag performance grading evaluation method and evaluation system |
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WO2006069243A1 (en) * | 2004-12-22 | 2006-06-29 | Avery Dennison Corporation | Method and system for testing rfid devices |
CN101592705A (en) * | 2008-05-28 | 2009-12-02 | 北京中食新华科技有限公司 | Radio frequency identification RFID test system |
CN101727566A (en) * | 2008-10-31 | 2010-06-09 | 佛山市顺德区汉达精密电子科技有限公司 | Radio frequency identifier reading device with antennas at different angles |
CN103632426A (en) * | 2013-11-26 | 2014-03-12 | 国家电网公司 | Radio frequency door for automatically verifying production line of electric energy meter |
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Patent Citations (4)
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WO2006069243A1 (en) * | 2004-12-22 | 2006-06-29 | Avery Dennison Corporation | Method and system for testing rfid devices |
CN101592705A (en) * | 2008-05-28 | 2009-12-02 | 北京中食新华科技有限公司 | Radio frequency identification RFID test system |
CN101727566A (en) * | 2008-10-31 | 2010-06-09 | 佛山市顺德区汉达精密电子科技有限公司 | Radio frequency identifier reading device with antennas at different angles |
CN103632426A (en) * | 2013-11-26 | 2014-03-12 | 国家电网公司 | Radio frequency door for automatically verifying production line of electric energy meter |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN107064704A (en) * | 2017-03-15 | 2017-08-18 | 北京中科国技信息系统有限公司 | Rfid tag performance test system |
CN113673264A (en) * | 2021-10-21 | 2021-11-19 | 江苏省质量和标准化研究院 | UHF RFID tag performance grading evaluation method and evaluation system |
CN113673264B (en) * | 2021-10-21 | 2022-03-11 | 江苏省质量和标准化研究院 | UHF RFID tag performance grading evaluation method and evaluation system |
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