CN110689296B - Method for judging place state of radioactive source library based on LWRT-RGST algorithm - Google Patents
Method for judging place state of radioactive source library based on LWRT-RGST algorithm Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
- G06Q10/087—Inventory or stock management, e.g. order filling, procurement or balancing against orders
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- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
- G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/26—Government or public services
- G06Q50/265—Personal security, identity or safety
Abstract
The invention discloses a method for judging the place state of a radioactive source library based on an LWRT-RGST algorithm, which comprises the following steps: (S1) setting installation information ID for each radioactive source, and creating Background Job; (S2) installing RFID readers and RFID labels for a radioactive source warehouse and a radioactive source handset; (S3) installing a GPS for the radioactive source and installing an electronic fence for a radioactive source warehouse; (S4) acquiring RFID locking parameters, GPS locking parameters, speed judgment parameters and time judgment parameters and recording the parameters in the ID of the radioactive source installation information; and (S5) dividing the radioactive source into a radioactive source in-warehouse state, a radioactive source in-warehouse state and a radioactive source out-warehouse state according to the parameters in the step (S3), and monitoring the radioactive source state to complete implementation monitoring of the radioactive source. The method for judging the place state of the radioactive source library based on the LWRT-RGST algorithm can realize real-time monitoring of radioactive sources.
Description
Technical Field
The invention relates to a method for monitoring a radioactive source, in particular to a method for judging the field state of a radioactive source library based on an LWRT-RGST algorithm.
Background
With the vigorous development of the nuclear technology industry in China, the radioactive source is more and more widely applied. The radioactive source is a generic term for a radiation source made of a radioactive substance. The radioactive source is generally characterized by the activity of the radioactive nuclide, and the intensity of the radioactive nuclide can also be characterized by the ray emissivity or the fluence rate. Custom would be nondestructive inspection, radiation therapy, etc.
The radiation emitted by the radioactive source has a certain energy, and can destroy the resistance of cells, thereby causing damage to human bodies. National authorities have followed regulations to regulate the management of radioactive sources. However, under the condition that the management of the radioactive source is legal and can be carried out in a legal way, the radioactive source is out of control and radiation accidents still occur. The reason is mainly that the importance of source unit managers on the hazard and management of radioactive sources is not known enough, so that the radioactive sources are not valued enough, and finally irrecoverable adverse effects are caused.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a method for judging the field state of a radioactive source library based on an LWRT-RGST algorithm, so as to realize comprehensive monitoring of radioactive sources.
The technical scheme is as follows: in order to achieve the above object, the method for determining the field status of a radioactive source repository based on the LWRT-RGST algorithm of the present invention comprises the following steps,
(S1) setting installation information ID for each radioactive source, and creating a Background Job;
(S2) installing RFID readers and readers for the radioactive source storeroom and the radioactive source handset and installing RFID labels for the radioactive source;
(S3) installing a GPS for the radioactive source and installing an electronic fence for the radioactive source warehouse;
(S4) acquiring RFID locking parameters, GPS locking parameters, speed judgment parameters and time judgment parameters and recording the parameters in the ID of the radioactive source installation information;
and (S5) dividing the radioactive source into a warehouse-in state, a warehouse-in state and a warehouse-out state according to the parameters in the step (S3), and finishing the real-time monitoring of the radioactive source through the monitoring of the state of the radioactive source.
Further, the determination rule of the in-bank state is,
(A1) The RFID label of the radioactive source is locked by the RFID reader-writer of the radioactive source library;
(A2) The GPS of the radioactive source is in the electronic fence range of the radioactive source library;
(A3) The speed of the handset carrying this radioactive source is 0;
when the radioactive source meets the judgment rules (A1) - (A3), judging the radioactive source to be in the radioactive source library; when the radioactive source satisfies (A2) and (A3) but not (A1), an in-warehouse check is triggered and confirmed by a warehouse manager.
Further, the determination rule of the warehousing status is,
(B1) The RFID label of the radioactive source is locked by the RFID reader-writer of the radioactive source library;
(B2) The GPS of the radioactive source is in the range of the electronic fence of the radioactive source library;
(B3) The monitoring sensor speed of the handset carrying the radioactive source is 0;
(B4) The state before the radioactive source is a transfer state;
and when the radioactive source is judged to be in a warehousing state, triggering manual warehousing inspection, wherein an inspector is a warehouse manager, and updating the state of the radioactive source to be in a warehousing state.
Further, the determination rule of the ex-warehouse state is,
(C1) The RFID label of the radioactive source is not locked by the RFID reader-writer of the radioactive source library;
(C2) The RFID label of the radioactive source is locked by a certain radioactive source handset;
(C3) The GPS of the radioactive source is not in the range of the electronic fence of the radioactive source library;
(C4) The monitoring sensor speed of the handset carrying the radioactive source is 0;
(C5) The previous state of the radioactive source is in a warehouse state;
when the radioactive source is judged to be in the ex-warehouse state, manual ex-warehouse inspection is triggered, an inspector is a warehouse manager, and the state of the source is changed into the ex-warehouse state.
The beneficial effects of the invention are as follows: a method for judging the place state of a radioactive source warehouse based on an LWRT-RGST algorithm can monitor the state of a radioactive source at any time and check the states of the radioactive source in the warehouse, out of the warehouse and in the warehouse; according to the method, whether the radioactive source of the radioactive source library is in a safe state or not can be checked, so that the management efficiency of the radioactive source library is improved, the dual guarantee of 'technical defense' and 'civil defense' is realized, and the radioactive source can be safely and safely stored by a supervision unit and a radioactive source using unit.
Drawings
FIG. 1 is a flow chart of the embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The radioactive source is divided into a transportation state, an operation state, a transfer state and a source warehouse state according to the moving state of the radioactive source, wherein the source warehouse state of the radioactive source is divided into a warehouse-in state, a warehouse-in state and a warehouse-out state for improving the monitoring precision. The following describes the method and the required equipment for determining which state the radiation source is in.
Transport state of the radioactive source:
in order to judge the transportation state of the radioactive source, a handset with a built-in GPS is required, and an RFID reader-writer is installed for the handset; the transport vehicle is internally provided with a GPS (global positioning system) quilt and an RFID (radio frequency identification) reader-writer; and installing an RFID label for the radioactive source.
The parameters required for judging that the radioactive source is in a transportation state include RFID Locking (RFID Locking) of the handset, GPS Locking (GPS Locking) of the handset, speed determination (Speed determination) and Time determination (Time determination).
The specific method for judging the radioactive source in the transportation state according to the RFID locking parameter of the handset, the GPS locking parameter of the handset, the speed judgment parameter and the time judgment parameter comprises the following steps:
(D1) The RFID label of the radioactive source is locked by the RFID reader-writer of the handset, and meanwhile, the RFID label of the radioactive source is locked by the RFID reader-writer of the transport vehicle;
(D2) The speed of a speed monitoring sensor of the radioactive source handset is more than 30km/h, and if the speed of the speed monitoring sensor is less than 30km/h and the duration time is more than ten minutes, a confirmation alarm is triggered;
(D3) The GPS position of this radioactive source handset coincides with the GPS position of the transport vehicle.
Here, the above-mentioned (D1) is the main judgment condition, and the (D2) and (D3) are the subordinate conditions. When the primary condition is satisfied but the secondary condition is not, a manual transport check is triggered, and a checker, which is a manager of the handset, confirms whether the radioactive source is still in a transport state.
In the above-mentioned decision rule (D2), the speed of the speed monitoring sensor is less than 30km/h, and therefore, the time is increased to decide that the road condition possibly occurs in the transportation process, such as traffic jam or traffic lights and the like.
Transfer state of the radiation source:
the equipment required for judging whether the radioactive source is in the transfer state is a handset provided with a GPS and an RFID reader-writer, and an RFID label is arranged for the radioactive source.
The parameters required for judging whether the radioactive source is in a transfer state include RFID Locking (RFID Locking), speed judgment (Seed judgment) and Time judgment (Time judgment).
The specific method for judging whether the radioactive source is in the transfer state comprises the following steps:
(G1) The front state of the radioactive source is one of a source warehouse state, a working state and a transportation state;
(G2) The GPS of the radioactive source hand-held machine positions that the former state is in the electronic fence range of the warehouse state, the working state and the transportation state;
(G3) The RFID label of the radioactive source is locked by the RFID receiver of the handset;
(G4) The speed in the monitoring sensor of the radioactive source is more than 0km/h and less than 3km/h.
And if the radioactive source meets all the judgment rules, judging that the radioactive source is in the transfer state. When the radioactive source is not in the monitoring range of the reflection source handset for more than 10 minutes due to manual operation, the radioactive source handset triggers an alarm to remind the current operator to check the radioactive source. Furthermore, the operator of the current radioactive source does not perform safety check on the state of the radioactive source within 1 hour, and operation and maintenance platform managers and superior managers of the operator are provided to check the loss of the radioactive source. Furthermore, the unconnection time of the radioactive source is not processed within 2 hours, and the unconnection time of the radioactive source is notified to an environment-friendly related department for emergency processing of the quick organization after 2 hours.
The operation state of the radioactive source is divided into field operation and indoor operation:
in order to judge the transport state of the radioactive source, the equipment which needs to be used comprises a handheld machine with an RFID reader-writer and a GPS, an electronic fence is arranged at the corresponding indoor operation position, an RFID label is arranged for the radioactive source, and a data acquisition instrument with an RFID is arranged.
Judging whether the radioactive source is in the working state requires an RFID Locking parameter (RFID Locking) of the handset, a GPS Locking parameter (GPS Locking) of the handset, a Speed determination (Speed determination), a Lifting state (Lifting motion) and a Time determination (Time determination).
The specific method for judging whether the radioactive source works indoors comprises the following steps:
(E1) The RFID label of the radioactive source is locked by the RFID reader-writer of the handset;
(E2) The working state of the radioactive source is switched from a transfer state;
(E3) The speed in the monitoring sensor of the radioactive source hand-held machine is less than 3m/s.
Here, the above (E1) is a main condition for judgment, and the above (E2) and (E3) are secondary conditions. When the radioactive source meets all judgment conditions, judging that the radioactive source is in a field working state; and triggering the worker to perform manual inspection when the primary condition is met but the secondary condition is not met, and checking whether the radioactive source is still in the working state by a manager of the manual holding machine.
The specific method for judging the indoor state of the radioactive source comprises the following steps:
(F1) The RFID of the radioactive source is locked by an RFID receiver of the data acquisition instrument;
(F2) The GPS of the radioactive source is in the range of the electronic fence;
(F3) The speed of the monitor sensor of the radioactive source handset is approximately equal to 0.
When all the conditions are met, the radioactive source is judged to be in an indoor working state; and triggering manual work inspection, wherein an inspector is a handset manager, and if the inspector confirms that the radioactive source is really in the working state, updating the state of the radioactive source to be in the working state.
Source repository state of the radioactive source:
(S1) adding installation information ID for each radioactive source, and creating a Background Job;
(S2) installing RFID readers and readers for the radioactive source storeroom and the radioactive source handset and installing RFID labels for the radioactive source;
in this embodiment, the polarization mode adopted by the RFID reader is circular polarization, that is, the signal receiving range takes the RFID reader as a circle center and the radius is ten meters to receive the RFID tag signal. When the label of the radiation source is out of the signal range, the radiation source is not received by the RFID reader-writer any more, namely, the radiation source is not locked by the RFID.
(S3) installing a GPS for the radioactive source and installing an electronic fence for the radioactive source warehouse;
and planning an electronic fence of the area where the radioactive source library is located through a WEB end and an APP end, and then associating with the ID of the radioactive source equipment. The longitude and latitude data of the area and the associated equipment ID recorded by the background can be continuously sent to the background by the equipment, and the background can calculate and judge whether the current longitude and latitude data are in the area to which the radiation source library belongs, namely the planned electronic fence in real time. Because the shapes of different radiation source libraries are different, the electronic fence adopted in the embodiment is mainly drawn by a polygon, so that the radiation source libraries are all contained in the electronic fence. If no staff holds the handset to scan the RFID of the radioactive source and the GPS positioning of the radioactive source tank exceeds the range of the electronic fence, alarm information can be sent to inform related staff that the staff are in an uncontrollable state, and the staff need to confirm and remove the alarm in time.
(S4) acquiring an RFID Locking parameter (RFID Locking), a GPS Locking parameter (GPS Locking), a Speed determination parameter (Speed determination) and a Time determination parameter (Time determination) and recording the parameters in an ID (the four parameters are called RGST for short) of the radiation source installation information;
and (S5) dividing the radioactive sources into a radioactive source in-warehouse state, a radioactive source in-warehouse state and a radioactive source out-warehouse state according to the parameters in the step (S3), and monitoring the radioactive sources in real time by monitoring the radioactive source states.
The judgment rule of the state of the radioactive source in the library is,
(A1) The RFID label of the radioactive source is locked by the RFID reader-writer of the radioactive source library;
(A2) The GPS of the radioactive source is in the range of the electronic fence of the radioactive source library;
(A3) The speed of the handset carrying this radioactive source is 0;
when the radioactive source meets the judgment rules (A1) - (A3), judging the radioactive source to be in the radioactive source library; when the radioactive source satisfies (A2) and (A3) but not (A1), an in-warehouse check is triggered and confirmed by a warehouse manager.
The judgment rule of the warehousing state of the radioactive source is that,
(B1) The RFID label of the radioactive source is locked by the RFID reader-writer of the radioactive source library;
(B2) The GPS of the radioactive source is in the range of the electronic fence of the radioactive source bank;
(B3) The monitoring sensor speed of the handset carrying the radioactive source is 0;
(B4) The previous state of the radioactive source is a transfer state;
and when the radioactive source is judged to be in a warehousing state, triggering manual warehousing inspection, wherein an inspector is a warehouse manager, and updating the state of the radioactive source to be in a warehousing state.
The judgment rule of the ex-warehouse state of the radioactive source is that,
(C1) The RFID label of the radioactive source is not locked by the RFID reader-writer of the radioactive source library;
(C2) The RFID label of the radioactive source is locked by a certain radioactive source handset;
(C3) The GPS of the radioactive source is not in the range of the electronic fence of the radioactive source library;
(C4) The monitoring sensor speed of the handset carrying the radioactive source is 0;
(C5) The previous state of the radioactive source is in the in-store state;
when the radioactive source is judged to be in the ex-warehouse state, the ex-warehouse manual inspection is triggered, the inspector is a warehouse manager, and the state of the source is changed into the ex-warehouse state.
The specific implementation flow of the determination method according to the present invention is as follows:
the judgment time from the transition to the source library, the check list judgment time from the transition to the source library, the RFID abnormal time, the attribute value of the in-library state ID, the attribute value of the transition state ID, the attribute value of the transport state ID, and the attribute value of the operating state ID are all added into Background Job'. Firstly, inquiring RFID locking parameters, GPS locking parameters, speed judging parameters and time judging parameters of an installation information table of the radioactive source; and judging whether the radioactive source is in the in-store state or not according to the parameters, and if the radioactive source is in the in-store state, continuously checking radiation data of the radioactive source, wherein the radiation data comprises the nuclide name, the visual code, the radiation dose, the longitude and the latitude of the radioactive source, the radio frequency state, the electric quantity, the check dose and the check time. If the source is not in the library state, judging whether the radioactive source is in the transfer state. And checking whether the radioactive source has any RFID signal or not and whether any unprocessed source bank RFID abnormal event exists or not according to the radiation data of the radioactive source (the abnormal event refers to that the GPS positioning system on the radioactive source exits the electronic fence of the source bank and the radioactive source is not read by any handset, and an abnormal alarm occurs if the abnormal event exists). If the radioactive source is in a transfer state, the overlay data needs to be inquired according to the installation information of the radioactive source and the time range of data acquisition; and then finding out the coverage data of which the coverage object is in the RFID state, and removing the duplicate according to the installation information of the radioactive source to obtain a list of the equipment installation information. And then if the coverage data volume of the equipment installation information micro data acquisition and transmission instrument is more than or equal to the judgment time from transferring to the Source library, setting the equipment storage state as the in-library state according to the original state corresponding to the new Source Instal Info, generating a radioactive Source state change record list and generating a warehousing entry. And if the source polling condition object of the security check is empty, generating a warehousing unchecked event.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (2)
1. A method for judging the field state of a radioactive source library based on an LWRT-RGST algorithm is characterized by comprising the following steps:
step S1: setting installation information ID for each radioactive source and creating Background Job;
step S2: installing RFID readers and RFID labels for a radioactive source library and a radioactive source handset;
and step S3: installing a GPS for a radioactive source and installing an electronic fence for a radioactive source warehouse;
and step S4: acquiring RFID locking parameters, GPS locking parameters, speed judgment parameters and time judgment parameters and recording the parameters in the ID of the radioactive source installation information;
step S5: dividing the radioactive source into an in-warehouse state, an in-warehouse state and an out-warehouse state through the parameters in the step S3, and completing the real-time monitoring of the radioactive source through the monitoring of the radioactive source state;
the decision rule of the in-bank state is,
rule A1: the RFID label of the radioactive source is locked by the RFID reader-writer of the radioactive source library;
rule A2: the GPS of the radioactive source is in the electronic fence range of the radioactive source library;
rule A3: the speed of the handset carrying this radioactive source is 0;
when the radioactive source meets the rules A1-A3 of the judgment rule, judging that the radioactive source is in the radioactive source library; when the radioactive source meets the rule A2 and the rule A3 but does not meet the rule A1, triggering in-warehouse inspection and confirming by a warehouse manager;
the rule for judging the radioactive source in the transfer state is as follows:
rule G1: the front state of the radioactive source is one of a source warehouse state, a working state and a transportation state;
rule G2: the GPS of the radioactive source hand-held machine positions that the former state is in the electronic fence range of the warehouse state, the working state and the transportation state;
rule G3: the RFID label of the radioactive source is locked by the RFID receiver of the handset;
rule G4: the speed in the monitoring sensor of the radioactive source is more than 0km/h and less than 3km/h;
the radioactive source simultaneously accords with the judgment rules of the rules G1 to G4, and the radioactive source is judged to be in a transfer state;
when the radioactive source is not in the monitoring range of the reflection source handset for more than 10 minutes due to manual operation, the radioactive source handset triggers an alarm to remind the current operator to check the radioactive source; the current operating personnel of the radioactive source do not perform safety check on the state of the radioactive source within 1 hour, and operation and maintenance platform managers and superior supervisors of the operating personnel are provided to check the radioactive source loss connection; if the unconnection time of the radioactive source is not processed within 2 hours, informing the unconnection time of the radioactive source to an environment-friendly related department after 2 hours to carry out emergency processing on the quick organization;
the specific implementation flow of the judging method is as follows:
judging the RFID abnormal time from the judging time of transferring to the source library, the checking list judging time of transferring to the source library, the attribute value of the in-library state ID, the attribute value of the transfer state ID, the attribute value of the transport state ID and the attribute value of the working state ID, which are all added into a Background Job'; firstly, inquiring RFID locking parameters, GPS locking parameters, speed judging parameters and time judging parameters of an installation information table of the radioactive source; judging whether the radioactive source is in a storage state or not according to the parameters, and continuously checking radiation data of the radioactive source if the source is in the storage state, wherein the radiation data comprises a nuclide name, an eye code, a radiation dose, longitude and latitude of the radioactive source, a radio frequency state, electric quantity, a check dose and check time; if the source is not in the warehouse, judging whether the radioactive source is in the transfer state; checking whether the radioactive source has any RFID signal or not and whether any unprocessed source bank RFID abnormal event exists or not according to the radiation data of the radioactive source, wherein the abnormal event refers to that the GPS positioning system on the radioactive source exits the electronic fence of the source bank and the radioactive source is not read by any handset, and if so, abnormal alarm occurs; if the radioactive source is judged to be in a transfer state, the overlay data needs to be inquired according to the installation information of the radioactive source and the time range of data acquisition; then, finding out the coverage data of the coverage object in the RFID state, and removing the duplication according to the installation information of the radioactive source to obtain a list of the equipment installation information; then, if the coverage data volume of the equipment installation information micro data acquisition and transmission instrument is more than or equal to the judgment time of transferring to the Source library, setting the equipment storage state to be in-library state, generating a radioactive Source state change record list and generating a storage list; generating a warehousing non-inspection event if a source inspection condition object of the security inspection is empty;
the judgment rule of the warehousing state is that the rules B1 to B4 are satisfied simultaneously:
rule B1: the RFID label of the radioactive source is locked by the RFID reader-writer of the radioactive source library;
rule B2: the GPS of the radioactive source is in the range of the electronic fence of the radioactive source bank;
rule B3: the monitoring sensor speed of the handset carrying the radioactive source is 0;
rule B4: the previous state of the radioactive source is a transfer state;
and when the radioactive source is judged to be in a warehousing state, triggering manual warehousing inspection, wherein an inspector is a warehouse manager, and updating the state of the radioactive source to be in a warehousing state.
2. The LWRT-RGST algorithm-based method for determining a location state of a radiation source repository according to claim 1, wherein: the judgment rule of the ex-warehouse state is that the rules C1 to C5 are satisfied simultaneously:
rule C1: the RFID label of the radioactive source is not locked by the RFID reader-writer of the radioactive source library;
rule C2: the RFID label of the radioactive source is locked by a certain radioactive source handset;
rule C3: the GPS of the radioactive source is not in the range of the electronic fence of the radioactive source library;
rule C4: the monitoring sensor speed of the handset carrying the radioactive source is 0;
rule C5: the previous state of the radioactive source is in a warehouse state;
when the radioactive source is judged to be in the ex-warehouse state, manual ex-warehouse inspection is triggered, an inspector is a warehouse manager, and the state of the source is changed into the ex-warehouse state.
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