CN102819758B - System and method for improving read-write success rate of radio frequency identification tags on movement production line - Google Patents
System and method for improving read-write success rate of radio frequency identification tags on movement production line Download PDFInfo
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Abstract
The invention relates to a system and a method for improving the read-write success rate of radio frequency identification (RFID) tags on a movement production line. The system consists of a production management application server, read-write control, data detection, error correction control and security protection; the read-write control, the data detection, the error correction control and the security protection are respectively connected with the production management application server through a wired network and/or a wireless network; four different terminals using a computer, RFID, automatic control and the like and the production management application server execute tasks respectively set and are tightly matched; the data in the RFID tags is subjected to the functions, such as precise identification, multiple writing, verification, information protection, and automatic sorting of failure lags on the movement production line; the read-write success rate of the RFID lags data on the movement production line is remarkably improved; the productive efficiency is optimized; and the intelligent management for the production line is realized, so the system and the method provided by the invention have excellent polularization and application prospects on the modern industrial production line.
Description
Technical field
The present invention relates to a kind of radio-frequency (RF) tag application technology on a production line, particularly a kind of system and method improving radio-frequency (RF) tag read-write success ratio on the production line of motion, belongs to the technical field of Internet of Things and computing machine.
Background technology
Radio-frequency (RF) tag RFID (Radio Frequency IDentification) is a kind of electronic tag based on radio RF recognition technology, it is by radio signal identification specific objective and read and write related data, and without the need to setting up machinery or optical contact between recognition system and specific objective.
Along with the raising of scientific and technological level, in order to keep the efficient and accurate of production, the automaticity manufacturing the production line of enterprise is more and more higher.But in whole production run, still there is a large amount of artificial cognition or the phenomenon of complicate statistics, this production model not only makes the cost of enterprise improve, and manually-operated error rate can not be well controlled.
Current, the mode of production become more meticulous day by day is subject to people and more and more pays close attention to and pay attention to, and in the production run of some large-scale manufacturing enterprises, starts to introduce RFID technique.Rfid system take wireless network as information channel, by wireless transmission and in real time process, allows various main flow management system therefrom excavate out key message, achieves in the automatic identification of product processed and real-time management.RFID label tag flows on production line as the mobile vehicle of production data, the real-time accurate count comprising the much informations such as operator, operation, workpiece and man-hour can be realized in process of production, also for product realizes control in real time and quality management and review providing technical foundation in production run.
Some international organizations just proposed the application system framework based on RFID for manufacture field as far back as 2004, as: IBM, SAP, Microsoft, the international IT giant such as QAD, SSA are proposed the Integrated Solution of RFID and Enterprise Resource Planning.But current domestic RFID technique is not applied on a large scale at manufacturing domain variability.First this be because the cost of RFID label tag is higher, limits the universal of RFID technique; Next is the self-defect of RFID technique, and make in the production line of motion, the success ratio that RFID label tag data are correctly read only has 60-70% usually, and these two factors become the restriction RFID label tag biggest obstacle of large-scale application and bottleneck in the industrial production.
Along with the development of new technology, there are some enterprises and the identification of scientific and technical personnel's radio frequency, Intelligent treatment and other correlation techniques to research and develop at the application item of production field, and made progress and applied for patent.Through domestic patent public database and the display of part internet resource result for retrieval, RFID label tag is incorporated production run, or each link be applied in production, or apply related application with the binding that miscellaneous part carries out, comprise " become more meticulous production system and production method based on RFID and bar code fusion " (application number: 200910104791.1), 200910163789.1) and " a kind of real-time data acquisition system of industrial production line " (application number: 200920054140.1) etc. " the production monitoring system based on radio-frequency (RF) identification " (application number:, although these patented claims are all concentrate on to pass through to use REID automatically real-time follow-up production run how on a production line, reach the object that intelligent management is produced and raised the efficiency.But for how ensureing that RFID label tag data can accurately, intactly be read and write in process of production, the technology namely how promoting the read-write success ratio of the RFID label tag used on a production line but not yet relates to.
Summary of the invention
In view of this, the object of this invention is to provide a kind of system and method improving radio-frequency (RF) tag read-write success ratio in movement production line.The present invention utilizes the various terminal of this system of the technology compositions such as computing machine, RFID and automatic control and production management application server to perform the task close fit that set separately respectively, and movement production line realizes accurately identification, multiple write, checking and the function such as information protection and automatic sorting failure information to the data in RFID label tag.The present invention significantly can be lifted at the read-write success ratio of RFID label tag data in movement production line, optimizes prouctiveness, realizes the intelligent management to production line.
In order to achieve the above object, the invention provides a kind of system improving radio-frequency (RF) tag RFID read-write success ratio in movement production line, it is characterized in that, this system is by production management application server, and formed via Read-write Catrol, Data Detection, false detection and safeguard protection four terminals that cable network and/or wireless network are connected respectively with this production management application server, perform the task close fit that set separately by these different terminals and production management application server respectively, improve the read-write success ratio of RFID label tag in movement production line; Wherein,
Production management application server, as the control center of system, be responsible for the coordinated operation planning as a whole to support and manage all devices of this system, specifically comprise: the network topology of management system, parameter configuration, application service and interface communication, management and real-time update database in all kinds of business datum resources, the data sent from each terminal data collection point are received, process, store, shown and statistical study, and assigns regulation and control instruction in real time for abnormality; Business Stream in support, management and production control flow process and data stream, carry out intellectual analysis and decision-making to Various types of data resource and business processing flow; Management with control Read-write Catrol terminal and Data Detection terminal, realize the inspection of RFID label tag and reading and writing data and the data that verify in RFID label tag; Also management and control false detection terminal and safeguard protection terminal, realize location and correcting data error to abnormal RFID label tag, and realize terminal check and write-protect to the RFID label tag in movement production line, and Management label state; Be provided with Service Database, intellectual analysis, flow chart of data processing control and service management and system manage three unit and data, services and data manipulation two interfaces; The business datum of described business datum library storage comprises: system user, product attribute, terminal device, production line mark, RFID label tag product data, the result, user log in, the information of various event and daily record;
Read-write Catrol terminal, form by running the computing machine of Read-write Catrol program and rfid interrogator and antenna thereof, for selecting RFID label tag group movement production line being in read range, and start the tag recognition cycle, based on unique identification UID (Unique Identifier), RFID label tag is carried out to the read-write of validation checking and product data; The product data of write at least comprise: name of product, the place of production, production firm, brand, grade, date of manufacture, batch number, streamline and operator's numbering; And set up associating of label UID and product data;
Data Detection terminal, be made up of the computing machine of service data trace routine and rfid interrogator and antenna thereof, be responsible for carrying out Data Detection and verification to the RFID label tag in movement production line after Read-write Catrol terminal processes, identification error also triggers false detection flow process, and is uploaded to production management application server;
False detection terminal, form by running the computing machine of false detection program and rfid interrogator and antenna thereof, the wrong RFID label tag be responsible for data sense terminals finds accurately is located, and the type of error of misjudgment RFID label tag, more accurate, complete product data are chased after write this RFID label tag;
Safeguard protection terminal; be made up of the computing machine of security of operation defence program, rfid interrogator and antenna thereof and sorting equipment; be responsible for carrying out final product data verification to the RFID label tag in movement production line; and complete the condition managing of label; specifically comprise: write-protect process is carried out to the label by verification, to unsuccessfully not sorted by the label of verification.
In order to achieve the above object, present invention also offers a kind of method of work improving the system of radio-frequency (RF) tag read-write success ratio in movement production line, it is characterized in that, comprise following operative step:
(1) product data are first write the RFID label tag on production line by Read-write Catrol terminal, realize associating of label UID and product data;
(2) application server issues the steering order of checking label data to Data Detection terminal;
(3) Data Detection terminal is screened the product data in the RFID label tag on production line, filter and is verified, if product data are accurate, complete, then redirect performs step (5); Otherwise namely wherein data exist flaw, then perform subsequent step (4);
(4) false detection terminal is carried out correcting data error or data to the label that product data exist flaw and is chased after and write;
(5) safeguard protection terminal is verified through chasing after the label product data write, if data chase after write as merit, then performs subsequent step (6); Otherwise, carry out alarm prompt and sorting process, then return execution step (2);
(6) safeguard protection terminal read-write Status Change that is product data are complete, RFID label tag accurately is a read states, realizes the protection to product data.
The advantage that the present invention improves the system of radio-frequency (RF) tag read-write success ratio in movement production line is:
By carefully calculating and reasonably space planning, being arranged at distributed for the different terminals in system around product line, more each terminal is divided the work, to expand the recognition angle of label; And set the recognition cycle of label, both the synchro control of each terminal had been realized, and the data collision effectively reduced in same identified region between each terminal, between terminal and label, between label and label and interference, promote the identifying processing ability of many labels and complete the screening and filtering of raw data.Again on the basis not affecting original manufacturing schedule, in process of producing product, realize the correct collection to product data, verify, chase after and write and protect, guarantee that the data that this system obtains are accurate, complete.In addition, the multiple of present system setting tests the skip and read-write mistake writing and decrease product data in production run, achieve effective checking of label data, what greatly improve RFID label tag data is written to power, also by the statistics to RFID label tag end-state, achieve the optimization of prouctiveness, for enterprise has saved production cost.It should be noted that, various terminals in present system evenly must be arranged at the outside of production line, and for ensureing to dispose effectively, horizontal range between each terminal and vertical range all depend on read or write speed and the production line travelling speed of information, and, the horizontal range of each terminal and production line all remains between 1 ~ 1.5m, ensures the normal read-write scope being positioned at label.
Business innovation point of the present invention is: based on automatically identifying and automatic control technology, present system, in conjunction with the technical characterstic of existing production line, achieves the automation collaborative process of each flow process in movement production line; By writing multiple the testing of RFID label tag data, greatly improving the read-write success ratio of RFID label tag data in production run, saving production cost.Because the full-automation realized on a production line detects, not only increase tag processes efficiency, also reduce the error that manual operation brings.Moreover various terminal is rationally deployed in the surrounding volume of production line, the recognition angle of label can be expanded and improve the accuracy rate of tag readable degree, also achieving unsuccessfully the automatic sorting of label, improve production efficiency.In addition, the method for work of this system can carry out real-time statistics to production data, optimizes production line operational efficiency by effectiveness analysis.
Innovative technology of the present invention is: arrange various terminal (comprising its antenna arrangement and emissive power etc.) by reasonably optimizing, to the read range of terminal and ability realize automatic makeup to, to eliminate the dead angle of each terminal recognition, improve it and success ratio is read and write to RFID label tag.The adaptive scanning time of each terminal of optimal design-aside of the present invention, its sweep frequency of conservative control, reduces terminal to the skip rate running RFID label tag on production line; Also adopt automatic error-correcting and compensation data technology to complete to write the error correction of data in RFID label tag and chasing after, improve the read-write success ratio of RFID label tag data in movement production line to a certain extent.The present invention establishes a set of robotization, efficiently production quality control system, utilizes production line RFID label tag false detection terminal, the production run of real-time monitoring product, automatically identifies the defective product of band and is gone out or alarm by its automatic sorting.
In addition, the present invention also provides the administrative mechanism of product information safeguard protection, utilizes safeguard protection terminal to perform safe write-protect to the Product labelling that dispatches from the factory, effectively to avoid label information to be tampered or to steal, improves the anti-counterfeit capability of product.Also by dynamically patrolling and examining and monitoring in real time each terminal in system, ensure that in movement production line, each terminal is in correctly, stable and reliable duty, avoid equipment failure on the impact of RFID label tag correctness.
Accompanying drawing explanation
Fig. 1 is the system architecture composition diagram of RFID label tag read-write success ratio on lifter motion production line of the present invention.
Fig. 2 is the production management application server composition structural representation in present system.
Fig. 3 is the Read-write Catrol terminal structure composition schematic diagram in present system.
Fig. 4 is the Data Detection terminal structure composition schematic diagram in present system.
Fig. 5 is the false detection terminal structure composition schematic diagram in present system.
Fig. 6 is the safeguard protection terminal structure composition schematic diagram in present system.
Fig. 7 is the operation steps process flow diagram of the system works method of RFID label tag read-write success ratio on lifter motion production line of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
See Fig. 1, introduce the structure composition that the present invention improves the system of radio-frequency (RF) tag RFID read-write success ratio in movement production line: this system is provided with production management application server, and via Read-write Catrol, Data Detection, false detection and safeguard protection four kinds of terminals that cable network and/or wireless network are connected respectively with this production management application server; Perform the task close fit that set separately by these different terminals and production management application server respectively, improve the read-write success ratio of RFID label tag in movement production line.Wherein:
Production management application server, as the control center of system, be responsible for planning as a whole to support and manage the coordinated operation of all devices of this system: the network topology of management system, parameter configuration, application service and interface communication etc., management and real-time update database in all kinds of business datum resources, the data sent from each terminal data collection point are received, process, store, shown and statistical study, and assigns regulation and control instruction in real time for abnormality; Business Stream in support, management and production control flow process and data stream, carry out intellectual analysis and decision-making to Various types of data resource and business processing flow; Management with control Read-write Catrol terminal and Data Detection terminal, realize the inspection of RFID label tag and reading and writing data and the data that verify in RFID label tag; Also management and control false detection terminal and safeguard protection terminal, realize location and correcting data error to abnormal RFID label tag, and realize terminal check and write-protect to the RFID label tag in movement production line, and Management label state; Be provided with Service Database, intellectual analysis, flow chart of data processing control and service management and system manage three unit and data, services and data manipulation two interfaces.Service Database, for storing all kinds of business datums relevant to this system cloud gray model, at least comprises: the information such as system user, product attribute, terminal device, production line mark, RFID label tag product data, the result, user's login, various event and daily record.
Read-write Catrol terminal, form by running the computing machine of Read-write Catrol program and rfid interrogator and antenna thereof, for selecting RFID label tag group movement production line being in read range, and start the tag recognition cycle, based on unique identification UID (Unique Identifier), treatment and analysis is carried out to RFID label tag and product data, and carry out the read-write of validation checking and product data; The UID information of RFID label tag on Real-time Collection production line, and the product data (at least comprising: name of product, the place of production, production firm, brand, grade, date of manufacture, batch number, streamline and operator's numbering etc.) in server are write label after treatment; And set up associating of label UID and product data.
Data Detection terminal, be made up of the computing machine of service data trace routine and rfid interrogator and antenna thereof, be responsible for carrying out Data Detection and verification to the RFID label tag in movement production line after Read-write Catrol terminal processes, identification error also triggers false detection flow process, and is uploaded to application server.
False detection terminal, form by running the computing machine of false detection program and rfid interrogator and antenna thereof, the wrong RFID label tag be responsible for data sense terminals finds accurately is located, and the type of error of misjudgment RFID label tag, eliminate redundancy or misdata in label, more accurate, complete product data are chased after write this RFID label tag.
Safeguard protection terminal; be made up of the computing machine of security of operation defence program, rfid interrogator and antenna thereof and sorting equipment; be responsible for carrying out final product data verification to the RFID label tag in movement production line; and complete the end-state management of label: write-protect process is carried out to the label by verification, to unsuccessfully not sorted by the label of verification.
Centered by the product data of present system in radio-frequency (RF) tag RFID, provide comprise that terminal synchronizes controls, SOT state of termination and the monitoring of label validity, data acquisition and write, data verification and chasing after are write, data protection and sorting five functions, wherein:
Terminal synchronizes controls to be that the duty of Read-write Catrol, Data Detection, false detection and safeguard protection four kinds of terminals to movement production line deploy carries out management by synchronization, the tag recognition cycle of often kind of terminal is controlled, to control startup and the end time of each terminal recognition label according to production line travelling speed and terminal read range; To reduce the averaging time of tag recognition, reduce conflicting between each terminal and between terminal with label.
SOT state of termination and the monitoring of label validity are each endpoint registration information that production management application server stores according to it, after system is started, the identity information that each terminal regularly reports and running state information carry out coupling checking, the state control data of each terminal of intellectual analysis simultaneously, determine its running status, with to ensure on production line that data between each terminal and RFID label tag transmit reliable, stable with continue; Meanwhile, Read-write Catrol terminal and Data Detection terminal differentiate the validity of label respectively according to the feedback result of its read range interior label group to data read-write requests, realize the validity monitoring of label.
Data acquisition and write are within each recognition cycle, Read-write Catrol terminal is according to setting duration, send reading and writing data instruction to the population of tags in read range, analyze according to the tag signal strength responded to and distance relation and determine tag coordinate, locate and read RFID label tag; And under the control of production management application server, product data are write in RFID label tag; Read-write Catrol terminal complete each label write data while, by production management application server to Data Detection terminal send start Data Detection service request, application server with the UID of label for label archives set up in index.
It is that production management application server sends label data and detects after service starts request that data verification and chasing after is write, and Data Detection terminal carrys out the label in analyzing and positioning read range according to tag signal strength and distance relation, reads the UID in this label and product information; And under the control of production management application server, screening and Filter Examination are repeated to label product data, to find to fail to write, skip and the label that misreads, and feedback reports; For the label that product data are correct and complete, production management application server sends tag state protection service order, to carry out subsequent treatment to safeguard protection terminal; For the label having data flaw, production management application server sends to false detection terminal and eliminates redundant information or chase after the service order writing data, and false detection terminal starts correlation function, dynamically chases after write the product data of RFID label tag user area.
Data protection and sorting are under the steering order of production management application server, and safeguard protection terminal performs write-protect and the failed label sorting operation of RFID label tag, to promote prouctiveness; For the label after false detection terminal processes, safeguard protection terminal first starts data verification function, filters and screen error label, controls the sorting that sorting equipment realizes failed label; Restart data protection function; the read-write Status Change of product data are accurate, complete RFID label tag is a read states; realize the write-protect of product data in label; simultaneously; the distribution of this RFID label tag and protection operation are reported production management application server, to carry out management of putting on record.
Lower mask body introduces each component devices in present system.
First see Fig. 2, introduce the core of the data processing in this system, information display and monitoring: five component functions in production management application server.
Service Database operation-interface: be responsible for encapsulation Service Database, the difference of shielding different business database in data management, the data storage of providing unified to other unit with simple interface form, inquiry and renewal rewards theory; Accept that flow chart of data processing controls, service management and system management and the services request of intellectual analysis three unit, carry out access and the renewal of business datum, and the process data of request or result are returned to services request unit in time carry out subsequent treatment.
Service management and System Management Unit: be responsible for user management, network management and system management; Accept the services request of system manager, perform user's registration, log in and query manipulation, and carry out corresponding service process according to request type, also with Service Database operation-interface unit interactive information, service processing result is supplied to Service Database operation-interface in atomic service mode, or according to supvr's demand, result or data acquisition is carried out presenting, namely returning to user.
Flow chart of data processing control module: the business datum resource being in charge of whole system, completes the Row control of data processing, and the relevant treatment function of business datum is provided; Accept the services request of intellectual analysis unit and database service interface unit, carry out business data processing and feedback processing result; The information interaction of service control database manipulation interface unit and Service Database.
Intellectual analysis unit: be responsible for RFID label tag and relevant comprise the various logic information resources such as sequence of events, product data, terminal device, the result on management movement production line in process of production, complete the association analysis of RFID label tag in above-mentioned information resources, and according to predetermined policy, Row control is performed to analysis result; Accept the services request of database service interface unit, carry out the data analysis of RFID label tag and feedback processing result; The service function of calling data treatment scheme control module, the access of finishing service data and analysis; The information interaction of service control database manipulation interface and Service Database.
Data service operation interface: the business datum Intelligent treatment controlling functions that intellectual analysis unit and flow chart of data processing control module provide in atomic service mode is encapsulated with the form of unified interface, call for Read-write Catrol, Data Detection, false detection and safeguard protection four kinds of terminals, for these terminals use Correlation method for data processing ability to provide convenience; Accept the services request of Read-write Catrol, Data Detection, false detection and safeguard protection four terminals; the corresponding atomic service that intellectual analysis unit or flow chart of data processing control module provide is called according to request type; carry out corresponding business data processing, and result or data acquisition are returned to services request terminal carry out subsequent treatment.
See Fig. 3, the function introducing Read-write Catrol terminal seven parts in present system is as follows:
Service and data operating interface: the information interaction being responsible for this Read-write Catrol terminal and production management application server: the steering order of flow control unit of accepting business, with production management application server interaction data, and data interaction result feedback is carried out subsequent treatment to Business Process Control unit.
Business Process Control unit: as the control core of this Read-write Catrol terminal, management controls service and data operating interface is initiated services request to production management application server and accepts its steering order, for miscellaneous service function provides respective service; Be responsible for controlling and coordinate SOT state of termination monitoring, recognition cycle control, label check and location, data write and alarm and present the reading and writing data that all the other five unit complete RFID label tag jointly; Realize uploading of each cell data and issuing of dispatch command.
SOT state of termination monitoring unit: be responsible for according to about fixed cycle and production management application server interactive information: this terminal's status information of active reporting, accept the steering order of production management application server, ensure that this terminal is in lasting, stable and reliable running status; To accept business the instruction of flow control unit, terminal identity identifying information and running state information are sent to production management application server by service and data operating interface.
Recognition cycle control module: the travelling speed being responsible for monitoring moving production line, controls the recognition cycle of RFID label tag read write line, realizes synchro control to make different terminals according to the number of labels in read range; To accept business the steering order of flow control unit, carry out recognition periodic Control and feedback result data, thus it is synchronous to complete between different terminals; The end of this Read-write Catrol terminal labels recognition cycle, be exactly that data verification terminal starts the beginning of service mode, realize the synchro control of server to each terminal thus: in recognition cycle, complete associating the write of RFID label tag product data and UID and product data.
Label check and positioning unit: be responsible for carrying out initial School Affairs location to the RFID label tag in movement production line: the steering order of flow control unit of accepting business, whether effective by RFID label tag read write line checking label, after label effectively then receives services request, chip for activating internal circuit, induced voltage in label changes along with the change with terminal distance, and calculate label position by inductive voltage value and obtain label UID value, complete the accurate location of RFID label tag on production line, and label UID information will be collected be back to Business Process Control unit, carry out subsequent treatment.
Data write unit: be responsible for RFID label tag write product data in movement production line.To accept business the steering order of flow control unit, write product data by rfid interrogator to RFID label tag, complete the uniqueness of RFID label tag UID and product data and the setting of relevance; Again write result feedback is carried out subsequent treatment to Business Process Control unit.
Alarm display unit; Be responsible for sending a warning message to the exception occurred in this Read-write Catrol terminal works process: the steering order of flow control unit of accepting business, the alarm mode combined with acousto-optic-electric carries out prompting alarm to various difference is abnormal.
See Fig. 4, the function introducing each building block of the Data Detection terminal in present system is as follows:
Service and data operating interface: the information interaction being responsible for this Data Detection terminal and production management application server: the services request of flow control unit of accepting business, with production management application server interaction data, and data interaction result feedback is carried out subsequent treatment to Business Process Control unit.
Business Process Control unit: as the control core of this Data Detection terminal, management controls service and data operating interface initiates services request accept its steering order to production management application server, is responsible for controlling and coordinate SOT state of termination monitoring, recognition cycle controls, data verification, alarm present the Data Detection and transmitting that all the other four unit complete RFID label tag jointly and operate.
SOT state of termination monitoring unit: be responsible for according to about fixed cycle and production management application server interactive information, active reporting terminal's status information, accepts the steering order of production management application server, ensures that this terminal is in lasting, stable and reliable running status; To accept business the instruction of flow control unit, terminal identity identifying information and running state information are sent to production management application server by service and data-interface.
Recognition cycle control module: the travelling speed being responsible for monitoring moving production line, control the recognition cycle of RFID label tag read write line according to the number of labels in read range, realize synchro control to make different terminals: the end of this terminal labels recognition cycle is exactly the beginning that false detection terminal starts service mode; To accept business the steering order of flow control unit, carry out recognition periodic Control and feedback result data, thus it is synchronous to complete between different terminals.
Data verification units: be responsible for detecting the business datum in RFID label tag in movement production line and verifying: the steering order of flow control unit of accepting business, the business datum in RFID label tag is obtained by rfid interrogator, and after carrying out detecting and verify, verification result feedback is carried out subsequent treatment to Business Process Control unit.
Alarm display unit, is responsible for sending a warning message to the exception occurred in this Data Detection terminal works process: the steering order of flow control unit of accepting business, and carries out prompting alarm in the alarm mode that acousto-optic-electric combines to various exception.
See Fig. 5, the function introducing seven building blocks in false detection terminal is as follows:
Service and data operating interface: the information interaction being responsible for this false detection terminal and production management application server: the steering order of flow control unit of accepting business, with production management application server interaction data, and data interaction result feedback is carried out subsequent treatment to Business Process Control unit.
Business Process Control unit: as the control core of this false detection terminal, management and control are served and data-interface initiates services request to production management application server, and accept the steering order of the latter, control and coordinate SOT state of termination monitoring, recognition cycle control, tag location, data chase after write, alarm presents the correcting data error that all the other five unit complete RFID label tag jointly.
SOT state of termination monitoring unit: be responsible for according to about fixed cycle and production management application server interactive information: active reporting terminal's status information, accept the steering order of production management application server, ensure that this terminal is in lasting, stable and reliable running status; To accept business the instruction of flow control unit, terminal identity identifying information and running state information are sent to production management application server by service and data-interface.
Recognition cycle control module: the travelling speed being responsible for monitoring moving production line, the recognition cycle of RFID label tag read write line is controlled according to the number of labels in read range, to make different terminals realize synchro control, complete in recognition cycle and the elimination of redundancy product data in RFID label tag and chasing after of missing information are write; To accept business the steering order of flow control unit, carry out the control in recognition cycle, and feedback control results, so that it is synchronous to complete between different terminals.
Tag location unit: be responsible for positioning the RFID label tag in movement production line: the steering order of flow control unit of accepting business, calculated by the inductive voltage value of RFID label tag read write line and the relation of distance and determine label position coordinate, complete the accurate location of RFID label tag on production line and obtain label UID value, then positioning result being fed back to Business Process Control unit and carry out subsequent treatment.
Data chase after r/w cell: the steering order of flow control unit of being responsible for accepting business, and to be chased after and write or revise product data, and write or amendment result feedback are carried out subsequent treatment to Business Process Control unit by rfid interrogator to RFID label tag in movement production line.
Alarm display unit: be responsible for sending a warning message to the exception occurred in this false detection terminal works process: the steering order of flow control unit of accepting business, carries out prompting alarm in the alarm mode that acousto-optic-electric combines to various exception.
See Fig. 6, the function introducing six building blocks in safeguard protection terminal is as follows:
Service and data operating interface: the information interaction being responsible for this safeguard protection terminal and production management application server: the services request of flow control unit of accepting business; with production management application server interaction data, and data interaction result feedback is carried out subsequent treatment to Business Process Control unit.
Business Process Control unit; As the control core of this safeguard protection terminal; management and control are served and data operating interface initiates services request to production management application server; and accepting the steering order of the latter, control and the monitoring of coordination SOT state of termination, recognition cycle control, data check protection and all the other four unit of abnormality processing complete the data security protecting function for RFID label tag jointly.
SOT state of termination monitoring unit: be responsible for according to about fixed cycle and production management application server interactive information, active reporting terminal's status information, accepts the steering order of production management application server, ensures that this terminal is in lasting, stable and reliable running status; To accept business the instruction of flow control unit, terminal identity identifying information and running state information are sent to production management application server by service and data-interface.
Recognition cycle control module: the travelling speed being responsible for monitoring moving production line, controls the recognition cycle of RFID label tag read write line, realizes synchro control to make different terminals according to the number of labels in read range; To accept business the steering order of flow control unit, carry out recognition periodic Control and feedback result data, so that it is synchronous to complete between different terminals;
Data check protected location; The business datum be responsible for running on production line in RFID label tag carries out School Affairs write-protect: the steering order of flow control unit of accepting business; obtained by RFID label tag read write line and verify integrality and the accuracy of wherein business datum; write-protect is carried out to accurate, the complete product data that the RFID label tag by verification comprises; again the result feedback of Status Change is stored to application server, and carry out subsequent treatment by not feeding back to Business Process Control unit by the RFID label tag of verification.
Exception processing unit: the steering order of flow control unit of being responsible for accepting business, does not carry out abnormality processing by the RFID label tag of verification on production line: namely determine not by the RFID label tag of verification and alarm, then controls sorting equipment and automatically sorted out.
See Fig. 7, introduce the concrete operation step that the present invention improves the method for work of the system of radio-frequency (RF) tag read-write success ratio in movement production line:
Step 1, product data are first write the RFID label tag on production line by Read-write Catrol terminal, realize associating of label UID and product data.
Data Detection terminal is screened the product data write in RFID label tag on production line and is filtered.If product data are accurately complete, enter 5) link, if data exist flaw, then enter 3) link;
False detection terminal carries out redundancy to the label comprising flaw information or misdata is eliminated and writes missing data troactively;
Step 2, application server issues verification step 1 to Data Detection terminal, the steering order of label data;
Step 3, Data Detection terminal is screened the product data in the RFID label tag on production line, filter and is verified, if product data are accurate, complete, then redirect performs step 5; Otherwise namely wherein data exist flaw, then perform subsequent step 4.
Step 4, false detection terminal is carried out correcting data error or data to the label that product data exist flaw and is chased after and write.
Step 5, safeguard protection terminal is verified through chasing after the label product data write, if data chase after write as merit, then performs subsequent step 6; Otherwise, carry out alarm prompt and sorting process, then return execution step 2;
Step 6, the read-write Status Change that is product data are complete, RFID label tag accurately of safeguard protection terminal is a read states, realizes the protection to product data.
Claims (7)
1. one kind is improved the system of radio-frequency (RF) tag RFID read-write success ratio in movement production line, it is characterized in that, this system is by production management application server, and formed via Read-write Catrol, Data Detection, false detection and safeguard protection four kinds of terminals that cable network and/or wireless network are connected respectively with this production management application server, perform the task close fit that set separately by these different terminals and production management application server respectively, improve the read-write success ratio of RFID label tag in movement production line; Wherein,
Production management application server, as the control center of system, be responsible for the coordinated operation planning as a whole to support and manage all devices of this system, specifically comprise: the network topology of management system, parameter configuration, application service and interface communication, management and real-time update database in all kinds of business datum resources, the data sent from each terminal data collection point are received, process, store, shown and statistical study, and assigns regulation and control instruction in real time for abnormality; Business Stream in support, management and production control flow process and data stream, carry out intellectual analysis and decision-making to Various types of data resource and business processing flow; Management with control Read-write Catrol terminal and Data Detection terminal, realize the inspection of RFID label tag and reading and writing data and the data that verify in RFID label tag; Also management and control false detection terminal and safeguard protection terminal, realize location and correcting data error to abnormal RFID label tag, and realize terminal check and write-protect to the RFID label tag in movement production line, and Management label state; Be provided with Service Database, intellectual analysis, flow chart of data processing control and service management and system manage three unit and data, services and data manipulation two operation-interfaces; The business datum of described business datum library storage comprises: system user, product attribute, terminal device, production line mark, RFID label tag product data, the result, user log in, the information of various event and daily record;
Read-write Catrol terminal, form by running the computing machine of Read-write Catrol program and rfid interrogator and antenna thereof, for selecting RFID label tag group movement production line being in read range, and start the tag recognition cycle, based on unique identification UID, RFID label tag is carried out to the read-write of validation checking and product data; The product data of write at least comprise: name of product, the place of production, production firm, brand, grade, date of manufacture, batch number, streamline and operator's numbering; And set up associating of label UID and product data;
Data Detection terminal, be made up of the computing machine of service data trace routine and rfid interrogator and antenna thereof, be responsible for carrying out Data Detection and verification to the RFID label tag in movement production line after Read-write Catrol terminal processes, identification error also triggers false detection flow process, and is uploaded to production management application server;
False detection terminal, form by running the computing machine of false detection program and rfid interrogator and antenna thereof, the wrong RFID label tag be responsible for data sense terminals finds accurately is located, and the type of error of misjudgment RFID label tag, more accurate, complete product data are chased after write this RFID label tag;
Safeguard protection terminal; be made up of the computing machine of security of operation defence program, rfid interrogator and antenna thereof and sorting equipment; be responsible for carrying out final product data verification to the RFID label tag in movement production line; and complete the condition managing of label; specifically comprise: write-protect process is carried out to the label by verification, to unsuccessfully not sorted by the label of verification.
2. system according to claim 1, is characterized in that, the function of each building block of described production management application server is as follows:
Service Database operation-interface, is responsible for encapsulation Service Database, the difference of shielding different business database in data management, the data storage of providing unified to other unit with simple interface form, inquiry and renewal rewards theory; Accept that flow chart of data processing controls, service management and system management and the services request of intellectual analysis three unit, carry out access and the renewal of business datum, and the process data of request or result are returned to services request unit in time carry out subsequent treatment;
Service management and System Management Unit, be responsible for user management, network management and system management; Accept the services request of system manager, perform user's registration, log in and query manipulation, and carry out corresponding service process according to request type, also with Service Database operation-interface unit interactive information, result or data acquisition are returned to user;
Flow chart of data processing control module, is in charge of the business datum resource of whole system, completes the Row control of data processing, and provides the relevant treatment function of business datum; Accept the services request of intellectual analysis unit and database service interface unit, carry out business data processing and feedback processing result; The information interaction of service control database manipulation interface unit and Service Database;
Intellectual analysis unit, RFID label tag and the relevant various logic information resources comprising event, product data, terminal device, the result thereof on responsible management movement production line in process of production, complete the association analysis of RFID label tag in above-mentioned information resources, and according to predetermined policy, Row control is performed to analysis result; Accept the services request of database service interface unit, carry out the data analysis of RFID label tag and feedback processing result; The service function of calling data treatment scheme control module, the access of finishing service data and analysis; The information interaction of service control database manipulation interface and Service Database;
Data service operation interface, with the form of unified interface, the business datum Intelligent treatment controlling functions that intellectual analysis unit and flow chart of data processing control module provide in atomic service mode is encapsulated, call for Read-write Catrol, Data Detection, false detection and safeguard protection four kinds of terminals, for these terminals use Correlation method for data processing ability to provide convenience; Accept the services request of Read-write Catrol, Data Detection, false detection and safeguard protection four kinds of terminals; the corresponding atomic service that intellectual analysis unit or flow chart of data processing control module provide is called according to request type; carry out corresponding business data processing, and result or data acquisition are returned to services request terminal carry out subsequent treatment.
3. system according to claim 1, is characterized in that, the function of all parts of described Read-write Catrol terminal is as follows:
Service and data operating interface, be responsible for the information interaction of this Read-write Catrol terminal and production management application server, specifically comprise: the steering order of flow control unit of accepting business, with production management application server interaction data, and data interaction result feedback is carried out subsequent treatment to Business Process Control unit;
Business Process Control unit, as the control core of this Read-write Catrol terminal, management controls service and data-interface initiates services request accept its steering order to production management application server, is responsible for controlling and coordinate SOT state of termination monitoring, recognition cycle controls, label check and location, data write and alarm present the reading and writing data that all the other five unit complete RFID label tag jointly;
SOT state of termination monitoring unit, be responsible for according to about fixed cycle and production management application server interactive information, specifically comprise: reporting terminal status information, accept the steering order of production management application server, ensure that this terminal is in lasting, stable and reliable running status; To accept business the instruction of flow control unit, terminal identity identifying information and running state information are sent to production management application server by service and data operating interface;
Recognition cycle control module, is responsible for the travelling speed of monitoring moving production line, controls the recognition cycle of RFID label tag read write line, realize synchro control to make different terminals according to the number of labels in read range; To accept business the steering order of flow control unit, carry out recognition periodic Control and feedback result data, thus it is synchronous to complete between different terminals;
Label check and positioning unit, be responsible for carrying out initial School Affairs location to the RFID label tag in movement production line, specifically comprise: the steering order of flow control unit of accepting business, whether effective by RFID label tag read write line checking label, and calculate label position by inductive voltage value, complete the accurate location of RFID label tag on production line, and testing result is fed back to Business Process Control unit and carry out subsequent treatment;
Data write unit, is responsible for RFID label tag write product data in movement production line; To accept business the steering order of flow control unit, write product data by rfid interrogator to RFID label tag, and write result feedback is carried out subsequent treatment to Business Process Control unit;
Alarm display unit; Be responsible for sending a warning message to the exception occurred in this Read-write Catrol terminal works process, specifically comprise: the steering order of flow control unit of accepting business, the alarm mode combined with acousto-optic-electric carries out prompting alarm to various difference is abnormal.
4. system according to claim 1, is characterized in that, the function of each building block of described Data Detection terminal is as follows:
Service and data operating interface, be responsible for the information interaction of this Data Detection terminal and production management application server, specifically comprise: the services request of flow control unit of accepting business, with production management application server interaction data, and data interaction result feedback is carried out subsequent treatment to Business Process Control unit;
Business Process Control unit, as the control core of this Data Detection terminal, management controls service and data-interface initiates services request accept its steering order to production management application server, is responsible for controlling and coordinate SOT state of termination monitoring, recognition cycle control, data verification, alarm present the Data Detection that all the other four unit complete RFID label tag jointly;
SOT state of termination monitoring unit, be responsible for according to about fixed cycle and production management application server interactive information, reporting terminal status information, accepts the steering order of production management application server, ensures that this terminal is in lasting, stable and reliable running status; To accept business the instruction of flow control unit, terminal identity identifying information and running state information are sent to production management application server by service and data operating interface;
Recognition cycle control module, is responsible for the travelling speed of monitoring moving production line, controls the recognition cycle of RFID label tag read write line, realize synchro control to make different terminals according to the number of labels in read range; To accept business the steering order of flow control unit, carry out recognition periodic Control and feedback result data, thus it is synchronous to complete between different terminals;
Data verification units, be responsible for detecting the business datum in RFID label tag in movement production line and verifying, specifically comprise: the steering order of flow control unit of accepting business, the business datum in RFID label tag is obtained by rfid interrogator, and after carrying out detecting and verify, verification result feedback is carried out subsequent treatment to Business Process Control unit;
Alarm display unit, is responsible for sending a warning message to the exception occurred in this Data Detection terminal works process, specifically comprises: the steering order of flow control unit of accepting business, and carries out prompting alarm in the alarm mode that acousto-optic-electric combines to various exception.
5. system according to claim 1, is characterized in that, the function of each building block of described false detection terminal is as follows:
Service and data operating interface, be responsible for the information interaction of this false detection terminal and production management application server, specifically comprise: the steering order of flow control unit of accepting business, with production management application server interaction data, and data interaction result feedback is carried out subsequent treatment to Business Process Control unit;
Business Process Control unit, as the control core of this false detection terminal, management and control are served and data-interface initiates services request to production management application server, and accept the steering order of the latter, control and coordinate SOT state of termination monitoring, recognition cycle control, tag location, data chase after write, alarm presents the correcting data error that all the other five unit complete RFID label tag jointly;
SOT state of termination monitoring unit, be responsible for according to about fixed cycle and production management application server interactive information, specifically comprise: reporting terminal status information, accept the steering order of production management application server, ensure that this terminal is in lasting, stable and reliable running status; To accept business the instruction of flow control unit, terminal identity identifying information and running state information are sent to production management application server by service and data operating interface;
Recognition cycle control module, is responsible for the travelling speed of monitoring moving production line, controls the recognition cycle of RFID label tag read write line, realize synchro control to make different terminals according to the number of labels in read range; To accept business the steering order of flow control unit, carry out the control in recognition cycle, and feedback control results, so that it is synchronous to complete between different terminals;
Tag location unit, be responsible for positioning the RFID label tag in movement production line, specifically comprise: the steering order of flow control unit of accepting business, label position is calculated by the inductive voltage value of RFID label tag read write line, complete the accurate location of RFID label tag on production line, and positioning result is fed back to Business Process Control unit and carry out subsequent treatment;
Data chase after r/w cell, the steering order of flow control unit of being responsible for accepting business, and to be chased after and write or revise product data, and write or amendment result feedback are carried out subsequent treatment to Business Process Control unit by rfid interrogator to RFID label tag in movement production line;
Alarm display unit, is responsible for sending a warning message to the exception occurred in this false detection terminal works process, specifically comprises: the steering order of flow control unit of accepting business, and carries out prompting alarm in the alarm mode that acousto-optic-electric combines to various exception.
6. system according to claim 1, is characterized in that, the function of all parts of described safeguard protection terminal is as follows:
Service and data operating interface, be responsible for the information interaction of this safeguard protection terminal and production management application server, specifically comprise: the services request of flow control unit of accepting business, with production management application server interaction data, and data interaction result feedback is carried out subsequent treatment to Business Process Control unit;
Business Process Control unit, as the control core of this safeguard protection terminal, management and control are served and data-interface initiates services request to production management application server, and accepting the steering order of the latter, control and the monitoring of coordination SOT state of termination, recognition cycle control, data check protection and all the other four unit of abnormality processing complete the data security protecting function for RFID label tag jointly;
SOT state of termination monitoring unit, be responsible for according to about fixed cycle and production management application server interactive information, reporting terminal status information, accepts the steering order of production management application server, ensures that this terminal is in lasting, stable and reliable running status; To accept business the instruction of flow control unit, terminal identity identifying information and running state information are sent to production management application server by service and data operating interface;
Recognition cycle control module, is responsible for the travelling speed of monitoring moving production line, controls the recognition cycle of RFID label tag read write line, realize synchro control to make different terminals according to the number of labels in read range; To accept business the steering order of flow control unit, carry out recognition periodic Control and feedback result data, so that it is synchronous to complete between different terminals;
Data check protected location, the business datum be responsible for running on production line in RFID label tag carries out School Affairs write-protect, specifically comprise: the steering order of flow control unit of accepting business, obtained by RFID label tag read write line and verify business datum wherein, write-protect is carried out to the RFID label tag by verification, and carries out subsequent treatment by not feeding back to Business Process Control unit by the RFID label tag of verification;
Exception processing unit, to be responsible for accepting business the steering order of flow control unit, do not carry out abnormality processing by the RFID label tag of verification on production line, specifically comprise: namely determine not by the RFID label tag of verification and alarm, then control sorting equipment and automatically sorted out.
7. system according to claim 1; it is characterized in that; centered by the product data of described system in radio-frequency (RF) tag RFID; there is provided comprise that terminal synchronizes controls, SOT state of termination and the monitoring of label validity, data acquisition and write, data verification and chasing after are write, data protection and sorting five functions; wherein
Terminal synchronizes controls to be that the duty of Read-write Catrol, Data Detection, false detection and safeguard protection four kinds of terminals to movement production line deploy carries out management by synchronization, the tag recognition cycle of each terminal is controlled, to control startup and the end time of each terminal recognition label according to production line travelling speed and terminal read range; To reduce the averaging time of tag recognition, reduce conflicting between each terminal and between terminal with label;
SOT state of termination and the monitoring of label validity are each endpoint registration information that production management application server stores according to it, after system is started, the identity information that each terminal regularly reports and running state information carry out coupling checking, the state control data of each terminal of intellectual analysis simultaneously, determine its running status, with to ensure on production line that data between each terminal and RFID label tag transmit reliable, stable with continue; Meanwhile, Read-write Catrol terminal and Data Detection terminal differentiate the validity of label respectively according to the feedback result of its read range interior label group to data read-write requests, realize the validity monitoring of label;
Data acquisition and write are within each recognition cycle, Read-write Catrol terminal is according to setting duration, send reading and writing data instruction to the population of tags in read range, analyze according to the tag signal strength responded to and distance relation and determine tag coordinate, locate and read RFID label tag; And under the control of production management application server, product data are write in RFID label tag; Read-write Catrol terminal complete each label write data while, by production management application server to Data Detection terminal send start Data Detection service request, application server with the UID of label for label archives set up in index;
It is that production management application server sends label data and detects after service starts request that data verification and chasing after is write, and Data Detection terminal carrys out the label in analyzing and positioning read range according to tag signal strength and distance relation, reads the UID in this label and product information; And under the control of production management application server, screening and Filter Examination are repeated to label product data, to find to fail to write, skip and the label that misreads, and feedback reports; For the label that product data are correct and complete, production management application server sends tag state protection service order, to carry out subsequent treatment to safeguard protection terminal; For the label having data flaw, production management application server sends to false detection terminal and eliminates redundant information or chase after the service order writing data, and false detection terminal starts correlation function, dynamically chases after write the product data of RFID label tag user area;
Data protection and sorting are under the steering order of production management application server, and safeguard protection terminal performs write-protect and the failed label sorting operation of RFID label tag, to promote prouctiveness; For the label after false detection terminal processes, safeguard protection terminal first starts data verification function, filters and screen error label, controls the sorting that sorting equipment realizes failed label; Restart data protection function; the read-write Status Change of product data are accurate, complete RFID label tag is a read states; realize the write-protect of product data in label; simultaneously; the distribution of this RFID label tag and protection operation are reported production management application server, to carry out management of putting on record.
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Denomination of invention: A system and method for improving the success rate of RF tag reading and writing on sports production lines Effective date of registration: 20231102 Granted publication date: 20150603 Pledgee: Shanghai rural commercial bank Limited by Share Ltd. Zhangjiang Branch of science and technology Pledgor: SHANGHAI CINTEL INTELLIGENT SYSTEM CO.,LTD. Registration number: Y2023310000709 |