CN106682555A - Method and apparatus for adaptive setting reading parameters of RFID reader - Google Patents
Method and apparatus for adaptive setting reading parameters of RFID reader Download PDFInfo
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- CN106682555A CN106682555A CN201611168265.8A CN201611168265A CN106682555A CN 106682555 A CN106682555 A CN 106682555A CN 201611168265 A CN201611168265 A CN 201611168265A CN 106682555 A CN106682555 A CN 106682555A
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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
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10198—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves setting parameters for the interrogator, e.g. programming parameters and operating modes
- G06K7/10227—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves setting parameters for the interrogator, e.g. programming parameters and operating modes loading programming parameters or programs into the interrogator, e.g. for configuring the interrogator
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Abstract
The invention discloses a method and apparatus for adaptive setting reading parameters of a RFID reader. According to the invention, the method includes the following steps: based on historical record of the times when all RFID readers successfully read RFID labels in a historical reading database, locating the RFID reader having the highest success reading rate; acquiring current reading parameters of the RFID reader having the highest success reading rate, the current reading parameters functioning as reading parameters to be read next time by all the RFID readers; determining whether each RFID reader successfully reads again, and if each RFID reader reads successfully, making no changes to the reading parameters of the readers which successfully read; and if each RFID reader reads unsuccessfully, resetting the reading parameters of the RFID readers which read unsuccessfully according to preset adjusting schemes. According to the invention, the method and the apparatus can maximally reduce times of manual reading of RFID label information, so that the method and the apparatus can reduce labor intensity of workers, increase the service lifetime of the RFID readers and maximize benefits of an entire intelligent production line.
Description
Technical field
The adaptive setting method of parameter is read the present invention relates to radio frequency arts, more particularly to a kind of rfid interrogator
And its device.
Background technology
In flow instrument intelligence production line, it is related to multiple complicated procedures of forming, and each operation has 1 to 3 settings, and
Each setting each station is respectively mounted RFID (Radio Frequency Identification, radio frequency identification) read write line,
The various information entrained by current instrument are obtained by reading on streamline the corresponding RFID label tag of each flow instrument, such as：
Order number, order date of manufacture, order client, the instrument bore, reference pressure value, the airtight value of standard etc..Then will be respective
Information uploads to MES (Manufacturing Execution System, manufacturing execution system), carries out last layer level system
Real-time processing.Usual one intelligent line configuration has more than 20 rfid interrogator, and according to the technological design of production line
With the arrangement of setting, more than the 20 rfid interrogator physical locations and tranmitting frequency are fixed.When each RFID marks
The flowing water speed fixed according to production line is signed by material disc, the rfid interrogator that will enter operation, then MES system meeting is flowed through
The rfid interrogator history for recording each setting successfully reads the number of times of label.
Rfid interrogator is not that reading RFID label tag is all successful every time, there is also the situation of reading information failure,
And rfid interrogator reads information success or not, on the premise of rfid interrogator physical location and tranmitting frequency are fixed, mainly
Depending on the number of times that RFID label tag is read in the reading parameter of rfid interrogator, i.e. its unit interval.If it is (i.e. single to read parameter
Reading times in the time of position) it is too high, then it is easily reduced the service life of read write line；If reading parameter (to read in the unit interval
Take number of times) it is too low, then can increase the probability for reading failure, so that need manually to be read out, this provides for improved operating personnel's
Labour intensity, also reduces the production efficiency of whole intelligence production line.
At present, usual rfid interrogator reading times are set as not metering number, but in actual production process, not metering
Several modes there is also the situation of substantial amounts of read-write failure, and this allows for needing manually to read FRID label information, so that
Increased artificial in the chief engineer that the operation is spent；Meanwhile, the service life journey exponential decrease of rfid interrogator, future cost
Expense is big.
The content of the invention
For above-mentioned technical problem, the present invention provides the adaptive setting side that a kind of rfid interrogator reads parameter
Method and its device, it can read parameter by adaptive setting rfid interrogator, so as to reduce to greatest extent manually
The number of times of FRID label information is read, and then reduces the labour intensity of operating personnel, also improve the use of rfid interrogator
In the life-span, make whole intelligence production line maximizing the benefits.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of rfid interrogator reads the adaptive setting method of parameter, and it includes step：
All rfid interrogators in default history reading database successfully read the history number of times of RFID label tag,
Positioning reads the maximum rfid interrogator of success rate；
Obtain the maximum rfid interrogator of the success rate and currently read parameter, and described current will read parameter as institute
There is rfid interrogator to read the reading parameter of RFID label tag next time；
Judge that each rfid interrogator again reads off whether to read successfully, if success, the reading for keeping the success to read
Write the reading parameter constant of device；If unsuccessful, the reading of the rfid interrogator for reading failure is reset according to default adjustable strategies
Take parameter.
Correspondingly, present invention also offers the adaptive setting device that a kind of rfid interrogator reads parameter, it includes：
Locating module, RFID marks are successfully read for all rfid interrogators in default history reading database
The history number of times of label, positioning reads the maximum rfid interrogator of success rate；
Reading parameter setting module, the current reading parameter for obtaining the prominent rfid interrogator, and will
The current parameter that reads carries out the reading parameter of RFID label tag reading as all rfid interrogators next time；Then judge every
Individual rfid interrogator again reads off whether label reads successfully, if success, remains successful the reading of the rfid interrogator of reading
Parameter constant；If unsuccessful, the reading parameter of the rfid interrogator for reading failure is reset according to default adjustable strategies.
The present invention is advantageous in that：
The present invention reads parameter by adaptive setting rfid interrogator, so as to reduce manually read to greatest extent
The number of times of FRID label information, and then the labour intensity of operating personnel is reduced, the service life of rfid interrogator is also improved,
Make whole intelligence production line maximizing the benefits.
Brief description of the drawings
Fig. 1 is the flow of an embodiment of the adaptive setting method that a kind of rfid interrogator of the invention reads parameter
Figure；
Fig. 2 is the flow of the another embodiment of the adaptive setting method that a kind of rfid interrogator of the invention reads parameter
Figure；
Fig. 3 is an embodiment functional module of the adaptive setting device that a kind of rfid interrogator of the invention reads parameter
Figure.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment one
It is the flow of an embodiment of the adaptive setting method that rfid interrogator of the invention reads parameter referring to Fig. 1
Figure, specifically, the method for the present embodiment specifically includes step：
S11, the total degree of RFID label tag is successfully read according to all rfid interrogators in history reading database, and positioning is read
Take the maximum rfid interrogator of success rate.
In the present embodiment, MES meeting real time record (in the same period) all rfid interrogators successfully read RFID label tag
Number of times, certainly, the number of times for reading failure can also be recorded, therefore, data can be read according to these history and build a history reading
Database, so as to the number of times of RFID label tag can successfully be read according to each rfid interrogator in the history reading database, calculates
Its success rate, i.e. each rfid interrogator success reading times account in whole history reading database (in the same period) all readings
The ratio of device success reading times summation is write, and then according to the maximum read write line of the ratio position success rate, specifically, the step
S11 specifically includes step：
I, the number of times and all RFID of RFID label tag are successfully read according to each rfid interrogator in history reading database
The total degree that read write line successfully reads, calculates the success rate of the successful reading RFID label tag of each rfid interrogator.
II, compares the success rate of each rfid interrogator, the maximum rfid interrogator of rate of succeeding.
In the present embodiment, the maximum rfid interrogator of the success rate refer within the same period, in all read write lines, the reading
Write device successfully read RFID label tag number of times at most, also just say its read parameter setting it is the most reasonable.
In the present embodiment, the period is the then system in the same period by the basis of whole streamline by a flow instrument
In each rfid interrogator successfully read the history number of times of RFID label tag, refer to when same flow instrument is by whole flowing water
In line during each setting, the corresponding rfid interrogator O of each settingnRead success during RFID label tag on the flow instrument
Reading times.
S13, obtains the current reading parameter of the maximum rfid interrogator of the success rate, and using the current reading parameter as
All rfid interrogators read the reading parameter of RFID label tag next time.
In the present embodiment, this currently reads parameter and pre-sets, for example Default Value, or dispatches from the factory and be not provided with, and
It is to be set when being initialized or in work.
Whether S15, judge that each rfid interrogator again reads off and read successfully, if success, performs step S17, otherwise
Perform step S19.
S17, remains successful the reading parameter constant of the rfid interrogator of reading, and performs step S15.
Due to being both configured to working as the read write line maximum with success rate by the reading parameter of step S13, all read write lines
Preceding reading parameter is consistent, and when each read write line is read out label success again according to the current reading parameter, then illustrates
Reading parameter (i.e. above-mentioned current reading parameter) now is the optimal reading parameter relative to the read write line, therefore, can protect
Hold constant.
S19, the reading parameter of the rfid interrogator of reading failure is reset according to default adjustable strategies, while according to institute
There is the reading result more new historical reading database of read write line, and perform step S11.
Due to being both configured to working as the read write line maximum with success rate by the reading parameter of step S13, all read write lines
Preceding reading parameter is consistent, and work as each read write line carries out tag reader again according to the current reading parameter, and during failure, then says
Bright reading parameter (i.e. above-mentioned current reading parameter) now is not the optimal reading parameter relative to the read write line, therefore,
Needs are adjusted on the basis of the reading parameter.In one embodiment, the adjustable strategies refer to just to read failure
Read write line reading parameter now, i.e., above-mentioned current reading parameter, on the basis of Jia one.
The adaptive setting device of the present embodiment is by the way that according within the same period, each read write line successfully reads label
The probability read write line maximum to determine the probability of success, and obtain its current reading parameter, i.e. reading times in the unit interval,
So that it is determined that read the optimum read write line of parameter setting in all read write lines, parameter conduct current is then read according to it
All read write lines again read off the reading parameter of label, are then adjusted in real time according to result is read, and then maximum limit
Degree ground reduces the number of times for manually reading FRID label information, to reduce the labour intensity of operating personnel, while also improving
The service life of rfid interrogator, makes whole intelligence production line maximizing the benefits.
Embodiment two
It is the second embodiment of the adaptive setting method that a kind of rfid interrogator of the invention reads parameter referring to Fig. 2
Flow chart, specifically, in the present embodiment, make and there are 20 settings in system altogether, and each setting correspondence one
Rfid interrogator On(n=1,2,3...20), then the adaptive setting method include step：
S211, obtains each rfid interrogator O in the history reading database of MES systemnRFID label tag is read in success
Number of times MN, n=1,2 ..., 20With the total degree N that 20 rfid interrogators successfully read RFID label tag.
In the present embodiment, the total degree that 20 rfid interrogators successfully read RFID label tag is：N=M1+M2+…
M20。
S213, calculates the reading probability of success P of each rfid interrogatorN, n=1,2 ..., 20。
In the present embodiment, the reading probability of success refers to that each rfid interrogator success reading times own in database
Read write line successfully reads the ratio of total degree, then 20 respective success rates of read write line are：
S215, compares the respective reading probability of success of 20 read write lines, and position successfully maximum probability value PmaxRead-write
Device.
In the present embodiment, the 10th maximum probability of read write line is made, can be according to the corresponding position of the read write line during specific positioning
Put sequence number or other marks are positioned, then its success rate is：
S217, obtains the 10th rfid interrogator O10In current reading parameter i.
In the present embodiment, this currently reads the reading times i in the parameter i.e. read write line current one time.
S219, using the current reading parameter i as 20 rfid interrogator O1,2,…,20RFID label tag is read next time
Read parameter.
S221, judges each read write line O1,2,...,20Again read off and whether succeed, if success, perform step S223,
If unsuccessful, step S225 is performed.
In the present embodiment, part is there may be in 20 read write lines and succeeds what is read again, it is also possible to existed and read again
Take unsuccessful, be then adjusted respectively for reading successfully and read unsuccessful read write line respectively, if such as read write line O1-
O15,O17-O20All succeed, then execution step S223, and read write line O16Reading is unsuccessful, then perform step S225.
S223, remains successful each read write line O of reading1-O15,O17-O20Reading parameter i it is constant, and perform step
S219.S225, will read the read write line O of failure16Reading parameter change be i+1, while according to each read write line
O1,2,...,20Data in the result for again reading off more new historical reading database, and perform step S211.
Embodiment three
Reading parameter adaptive establishing method based on above-mentioned rfid interrogator, reads present invention also offers a kind of RFID
The adaptive setting device that device reads parameter is write, is described in detail with specific embodiment below in conjunction with the accompanying drawings.
It is an embodiment of the adaptive setting device that a kind of rfid interrogator of the invention reads parameter referring to Fig. 3
Functional block diagram, specifically, the adaptive setting device includes in the present embodiment：
Locating module 11, RFID is successfully read for all rfid interrogators in default history reading database
The history number of times of label, positioning reads the maximum rfid interrogator of success rate；Specifically, in the present embodiment, the locating module 11
Including：Probability statistics unit, for successfully reading the secondary of RFID label tag according to each rfid interrogator in history reading database
The total degree that several and all rfid interrogators successfully read, calculates the success of the successful reading RFID label tag of each rfid interrogator
Rate；Positioning unit, the success rate for comparing each rfid interrogator that the probability statistics unit is calculated, rate of succeeding
Maximum rfid interrogator；
Parameter setting module 12 is read, the current reading parameter for obtaining the maximum rfid interrogator of the success rate, and
Acquired current reading parameter is again read off the reading parameter of label as all rfid interrogators, each is then judged
Whether rfid interrogator again reads off and succeeds, if success, will remain successful the reading parameter constant of the read write line of reading；If no
Success, then reset the reading parameter of the rfid interrogator for reading failure according to default adjustable strategies, in one embodiment,
The adjustable strategies refer in this prior read parameter on the basis of Jia one.
In another embodiment, the adaptive setting device may also include update module, and it is used for when reading parameter setting
While module 12 resets the reading parameter of the rfid interrogator of above-mentioned reading failure according to default adjustable strategies, according to each
Data in the reading result of rfid interrogator more new historical reading database, including all rfid interrogators successfully read RFID
The history number of times of label.
In the present embodiment, the history reading database is successfully read according to each rfid interrogator in system in the same period
Take the history number of times structure of RFID label tag；Wherein, the period is on the basis of passing through whole streamline by a flow instrument, then together
Each rfid interrogator successfully reads the history number of times of RFID label tag in system in one period, refers to when same flow instrument is logical
When crossing each setting in whole streamline, the corresponding rfid interrogator O of each settingnSuccessfully read on the flow instrument
The number of times of RFID label tag.
The adaptive setting device can be independently of MES system in the present embodiment, and it can be using parts groups such as single-chip microcomputers
Into it can also be integrated with a module in the MES system certainly.
The adaptive setting device of the present embodiment is by the way that according within the same period, each read write line successfully reads label
The probability read write line maximum to determine the probability of success, and its current reading parameter is obtained, so that it is determined that all read write lines
The middle optimum read write line for reading parameter setting, then joins according to its current parameter that reads as the reading for again reading off label
Number, is then adjusted in real time according to result is read, and then reduces manually reading RFID label tag letter to greatest extent
The number of times of breath, to reduce the labour intensity of operating personnel, while also improving the service life of rfid interrogator, makes whole intelligence
Production line maximizing the benefits.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of rfid interrogator reads the adaptive setting method of parameter, it is characterised in that including step：
All rfid interrogators in default history reading database successfully read the history number of times of RFID label tag, positioning
Read the maximum rfid interrogator of success rate；
Obtain the current reading parameter of the maximum rfid interrogator of the success rate, and will the current reading parameter as owning
Rfid interrogator reads the reading parameter of RFID label tag next time；
Judge that each rfid interrogator again reads off whether to read successfully, if success, remains successful the rfid interrogator of reading
The reading parameter constant；If unsuccessful, the institute of the rfid interrogator for reading failure is reset according to default adjustable strategies
State reading parameter.
2. adaptive setting method as claimed in claim 1, it is characterised in that the history receive data that the basis pre-builds
The step of data, the rfid interrogator of positioning reading success rate maximum being read according to the history in storehouse：
The number of times and all rfid interrogators of RFID label tag are successfully read according to each rfid interrogator in history reading database
The total degree that success is read, calculates the success rate of the successful reading RFID label tag of each rfid interrogator；
Compare the success rate of each rfid interrogator, the maximum rfid interrogator of rate of succeeding.
3. adaptive setting method as claimed in claim 1 or 2, it is characterised in that the history reading database is basis
Each rfid interrogator successfully reads the history number of times structure of RFID label tag in system in the same period.
4. adaptive setting method as claimed in claim 1 or 2, it is characterised in that the default adjustable strategies are：By institute
State the current parameter that reads and plus one.
5. such as adaptive setting method as claimed in claim 1 or 2, it is characterised in that reset according to default adjustable strategies
After the step of current reading parameter of the rfid interrogator for reading failure, also including step：
All rfid interrogators successfully read the history number of times of RFID label tag in updating the history reading database, and determine again
Read the maximum rfid interrogator of success rate in position.
6. a kind of rfid interrogator reads the adaptive setting device of parameter, it is characterised in that including：
Locating module, RFID label tag is successfully read for all rfid interrogators in default history reading database
History number of times, positioning reads the maximum rfid interrogator of success rate；
Reading parameter setting module, the current reading parameter for obtaining the prominent rfid interrogator, and will be described
The current parameter setting that reads is the reading parameter that all rfid interrogators read label next time, then judges each RFID read-write
Whether device again reads off and succeeds, if success, remains successful the reading parameter constant of the rfid interrogator of reading；If unsuccessful,
The reading parameter of the rfid interrogator for reading failure is then reset according to default adjustable strategies.
7. adaptive setting device as claimed in claim 6, it is characterised in that the locating module includes：
Probability statistics unit, the number of times for successfully reading RFID label tag according to each rfid interrogator in history reading database
The total degree successfully read with all rfid interrogators, calculates the success of the successful reading RFID label tag of each rfid interrogator
Rate；
Positioning unit, the success rate for comparing each rfid interrogator that the probability statistics unit is calculated, obtains into
Prominent rfid interrogator.
8. adaptive setting device as claimed in claim 6, it is characterised in that the history reading database is according to same
Each rfid interrogator successfully reads the history number of times structure of RFID label tag in system in period.
9. adaptive setting device as claimed in claim 6, it is characterised in that the default adjustable strategies are：Will be described
The current parameter that reads adds one.
10. adaptive setting device as claimed in claim 6, it is characterised in that also include：
Update module, for resetting the rfid interrogator for reading failure according to default adjustable strategies when reading parameter setting module
Reading parameter after, update the history time that all rfid interrogators in the history reading database successfully read RFID label tag
Number.
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| CN106682555B (en) | 2019-08-16 |
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