CN101563705A - Multi-stage system for verification of container contents - Google Patents
Multi-stage system for verification of container contents Download PDFInfo
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Abstract
A multi-stage process detects and identifies radiation, explosives, and special materials within a shipping container. The process utilizes radiation sensors configured as nodes on a distributed network. The process collects radiation data from the nodes. The radiation data is associated with the container and its contents. The collected radiation data is dynamically adjusted according to dynamically changing background radiation data, such as relating to water, land, air, ground, and other structures. The process compares collected and adjusted radiation data to spectral images representing isotopes to identify one or more isotopes present. Identified isotopes are corresponded to possible materials that they represent. The possible materials are compared with the manifest of the container to confirm the identity of materials contained in the container or to detect and/or identify unauthorized materials in the container. A neutron pulse device could be used to identify shielded materials, explosives, and other types of materials.
Description
Technical field
Present invention relates in general to the container contents detection system, relate in particular to a kind of interior dangerous substance of identification sets vanning that is used for, and the non-intrusion system and the method for the radiating matter that normally occurs in further identification sets is cased, described dangerous substance such as radiation and/or neutron radiation material, explosive and the particular matter such as highly enricked uranium.
Background technology
Currently attempt to provide the detection system of radiation, neutron, explosive and particular matter to verify container, be installed on crane (gantry crane) arm and in order to identify existing isotopic time-limited those containers such as those.Be used to detect with the identification sets vanning in the radiation sensor system of the radiating matter that had may not have the time shutter that all isotope types that may exist are identified especially.In order to detect and to identify the ability that existing isotopic finite time may influence the estimation content validity.Such as the finite time that current container examination system provided that uses with crane the commercial viability of radiation, neutron, explosive and particular matter and detection system is had adverse effect, and the container that causes treating artificial enquiry causes negative effect to business procedure.
Therefore, need overcome prior art problems described above.
Summary of the invention
According to one embodiment of present invention, a kind of multistage detection system and method detect gamma and neutron radiation thing, provide additional data capture time and secondary setting so that further analyze when detecting radiating matter.The gamma and the neutron detector that are installed on the spreader bar (spreader bar) of crane (gantry crane) provide the initial indication that has radiating matter in the container.Typically, described spreader bar is analyzed container near 30 seconds for radiation sensor provides nearly.Analyze the radiological data of being caught at specific isotope identification.If described system more multidata finishes described analysis, the prolongation spreader bar contacts so that can carry out additional data capture with container.In addition, if needing further analysis time, container determines to exist specific isotope, then one embodiment of the present of invention provide the secondary radiation analysis that is made of radiation sensor array setting, adopt its permission that targeted containers is further analyzed.According to an embodiment, the present invention allows to be used for to detect normal flow that radiating matter and crane move and does not allow time of radiation analysis of those containers of complete analysis to prolong to some extent.In addition, one embodiment of the present of invention provide secondary radiation analysis setting, wherein analyze the time that required additional period has exceeded to be provided in the crane place.Another embodiment moves to described secondary radiation analysis in targeted containers from described spreader bar and it is provided when being provided with and follow the trail of and monitor.
In order to verify whether radiomaterial is hidden in the container, can be associated with container and adopt isotope sensing and tag system, such as being associated with the crane that is used for promoting ship and transmits container.Typically, container crane comprises the lifting annex that engages container.Isotope sensing and tag system will be made of the one or more gammas and the neutron detector that are installed in (or on spreading arm) on the described crane lifting annex, and for computer system provides detailed emission spectrum data, described computer system is carried out spectral analysis so that existing in the described container (a plurality of) isotope is detected and identifies.The radiomaterial of many normal appearance is present in the general cargo and makes radiation detecting system produce false alarm.
The first order of this processing is an existing radiating matter in the detected set vanning.The second level is the existing specific isotope of sign.This second level can be finished in 30 seconds cycle, this normally the spreader bar of crane be to and from the cycle that joins to when ship moves on the container.Collect the radioactivity data so that identify for existing isotopic those examples for the needs additional period, can the time that spreader bar is connected to container be prolonged.This can realize in every way.For example, can slow down moving or can spreader bar is in place after, making it in the time cycle of prolongation, be connected to container of spreader bar.
Existing by identifying (a plurality of) specific isotope also allows the represented goods of the described isotope of described system banner or the type of material.Utilize expression identify the tabulation of isotopic possible goods, described system can sign goods or material and container manifest compare with definite existing (a plurality of) radiomaterial whether with container in the expection material be complementary.Handle 1) interior (a plurality of) isotope of identification sets vanning, 2) represented goods or the material and 3 of the described isotope of sign) allow container is effectively verified at sign goods checking manifest content, and can not cause negative effect to business procedure.
According to another embodiment, neutron pulse device is positioned on the described spreader bar to provide activity analysis to determine whether to exist shielding material, such as highly enricked uranium, explosive or other material.
According to another embodiment, described radiation sensor system has secondary setting, adopts it so that to detecting radiating matter and need further analyzing and determine to exist the container of specific isotope further to analyze.This secondary setting is the parts of integrated radiometric analysis system together with the setting of spreader bar radiation sensor.Each radiometric analysis system is configured to the node on the multi-node system.The data of obtaining from spreader bar sensors are combined in the analysis that data that described secondary setting obtains are used to container contents.It is monitored when the spreader bar setting moves to secondary the setting at described container.Can monitor described container by using CCTV camera or the wireless tracking equipment such as radio frequency identification equipment.
According to another embodiment, described radiation sensor setting is monitored by the central monitoring station.This central monitoring station can comprise the interactive graphics display, and its diagram harbour map, crane are arranged, (a plurality of) secondary layout, video camera and targeted containers of being provided with carried out position when mobile by the harbour to secondary setting at it.
According to another embodiment, the radiation sensor of each node in the described system is connected to processor system, and described processor system is collected and analyzed detected gamma energy levels and spectroscopic data, and then these data is sent to the spectral analysis engine.Being addressed separately and sending to the spectral analysis engine from the data of each node analyzes independent detector data or detecting device integrated data allowing.Described analysis engine can merge the data from a plurality of nodes for use in analyzing container contents.
The sensor of described processor system and data gathering system and each node electrically is coupled to collect from the signal of neutron sensor devices array, so that utilize collected spectroscopic data to form histogram.Described histogram is used for identifying existing isotope by described spectroscopic analysis system.
According to an embodiment, described spectroscopic analysis system comprises analyzes and identifies the existing isotopic information processing system software of unifying to collected data.Spectral analysis software by more than a kind of by the sign isotope provide the method for multiple affirmation to be constituted.If have more than a kind of isotope, then every kind of existing isotopic ratio of system banner.The method example that can be used for spectral analysis according to an embodiment of container verification system in such as spectral analysis software comprises: 1) the Margin Setting method described in the U.S. Patent No. 6847731; With 2) LINSCAN method (linear analysis of spectrographic technique) and/or as the U.S. Patent application No11/624121 that is entitled as " Advanced Pattern Recognition Systems for Spectral Analysis " that submitted on January 17th, 2007 described in and will be in the following AdvancedPeak Detection method that more goes through; Its whole instruction is hereby expressly incorporated by reference.
According to an embodiment, the user interface of described information handling system provide the emission spectrum that detects and the isotopic figure diagrammatic sketch that identifies.Except that other, described user interface allow system user watch the combination of individual detectors, detector set, standalone sensor and sensor groups, isolated node and a plurality of nodes identify fast the maintenance condition, the radiation that detects and the isotope that identifies.
Description of drawings
Fig. 1 is the figure of describing according to one embodiment of the invention of container near the gib arm of crane assembly (or spreader bar) with the sensor in the sensor housing.
Fig. 2 is the simplification diagrammatic sketch of secondary radiation verification position.
Fig. 3 is the block diagram of diagram according to the example of the data collection and analysis system of one embodiment of the invention.
Fig. 4 is the block diagram of diagram according to the example of the central monitoring system of one embodiment of the invention.
Fig. 5 is the diagrammatic sketch of diagram according to the radiation sensor in the pull bar configuration that is arranged on crane spreader bar of one embodiment of the invention.
Fig. 6 is a diagram according to the diagrammatic sketch of the radiation sensor that is provided with about the crane spreader bar main body of one embodiment of the invention.
Fig. 7 is the diagrammatic sketch of the many background radiation environment effects of diagram.
Fig. 8 is the diagrammatic sketch of diagram dynamic background radiation effects compensation.
Fig. 9 is the formula that can be used for dynamic background radiation effects compensation.
Embodiment
Though the claim that this instructions is considered to novel characteristics with definition the present invention, is believed the following description carried out in conjunction with the accompanying drawings of basis as end and will understand the present invention better that wherein identical Reference numeral is continued to use.The disclosed embodiments that it being understood that only are examples of the present invention, and it can be realized in every way.Therefore, ad hoc structure disclosed herein and function detail are not interpreted as restriction, and only adopt expression of the present invention basis in every way as the basis of claim and as instructing in the suitable arbitrarily in practice detailed structure of those skilled in the art.In addition, employed here term and phrase are not to be intended to limit, and provide the description of understanding of the present invention.
As used herein, term " " is defined as one or more than one.As used herein, term " a plurality of " is defined as two or more than two.As used herein, term " another " is defined as at least the second or more.As used herein, term " comprises " and/or " having " is defined as comprising (that is open statement).As used herein, term " coupling " is defined as connecting, though need not to be directly many and need not to be mechanically.As used herein, term " program ", " computer program ", " software application " etc. are defined as the instruction sequence that is designed to carry out on computer system.Program, computer program or software application can comprise subroutine, function, process, object method, object embodiment, executable application programs, java applet, servo programe, source code, object identification code, shared library/dynamic load library and/or other instruction sequence that is designed to carry out on computer system.As herein defined, data storage device comprises many dissimilar computer-readable mediums, its allow computing machine from its reading of data and preserve store data so that make computing machine can read described data once more.For example, such data storage device can comprise nonvolatile memory, such as ROM, flash memory, battery back up RAM, disk drive memory, CD-ROM, DVD and other permanent storage media.Yet, different embodiment according to the subject invention, even the volatile storage medium of expection such as RAM, impact damper, high-speed cache and lattice network is as such data storage device.
According to an embodiment, the present invention has overcome prior art problems by the multistage radiation verification process that a kind of container contents is provided.The specific isotope that every grade of collected radiation sensor data handling in described checking is used to make it possible to appearing in the tested container detects and identifies.
According to one embodiment of present invention, non-invasion container contents detects and verification system is operated and needn't be entered the indoor of tested container.Described system can comprise a plurality of radiation sensor system, and described radiation sensor system uses the integrated digital sensor to carry out gamma and neutron detection, and utilizes spectral analysis capabilities to come (a plurality of) specific isotope of material in the identification sets vanning.Described multilevel system provides the supervision and the tracking of the targeted containers that is sent to secondary verification station.Described multilevel system provides network to connect between spreader bar setting and secondary verification position so that the information of can carrying out is synthetic.Such multilevel system also can comprise the detection and the sign of explosive and particular matter in the container.These particular matters can comprise highly enricked uranium.
One embodiment of the present of invention comprise the radiation sensor on the spreader bar that is arranged on crane, container contents is provided radiation detection and isotope identification.When container was to and from ship at the harbour and is moved, described spreader bar was connected to container and reaches 30 seconds approximately.Described multistage radiation verification system makes it possible within normal 30 seconds the content in the container be carried out radiation detection and analysis when described spreader bar is connected to container.Described multilevel system also allows when prolong the time cycle that described spreader bar remains connected to container when analysis was not enough to identify the existing isotope of detected radiating matter in initial 30 seconds.In addition, exceed the extra time of the time that provides at spreader bar if desired, then described multistage radiation verification system is used the secondary transducers setting so that container is continued to analyze.Can when moving to secondary the setting, the spreader bar position follow the trail of at described container it.The example of tracking and surveillance equipment comprises CCTV camera and the wireless tracking technology such as radio frequency identification device.
According to one embodiment of present invention, the sensing system installed of gib arm of crane assembly can comprise the node in the distributed network of radiation sensor positions.Describe to some extent among the U.S. Patent application No.11/624089 that is entitled as " System Integration Module for CBRNE Sensors " that the example of this system is to submit on January 17th, 2007, it is all instructed and is hereby expressly incorporated by reference.
According to one embodiment of present invention, crane arm (spreader bar) radiation sensor system of being installed is used to detect and detected radiating matter in the container is carried out first order isotope identification.Describe to some extent among the U.S. Patent application No.11/363594 that is entitled as " Container Verification System forNon-invasive Detection of Contents " that the example of this system is to submit on February 27th, 2006, it is all instructed and is hereby expressly incorporated by reference.
Can use sensor concentrator unit to connect a plurality of sensors in the grouping and make it possible to effectively be connected to central processing unit to carry out spectral analysis.This configuration can utilize the sensor interface unit (SIU) that is made of comprehensive multichannel analyzer, high-voltage power supply, electrical voltage system and calculating interface.This SIU configuration uses concentrator unit to concentrate in the communication port so that be connected to described central processing unit so that a plurality of sensors are merged to.Described communication concentrator provides independent IP address for each sensor group.The example of described concentrator provides a plurality of USB port and connects to be used for the equipment of backhaul (backhaul) to carry out the sensor connection and described USB port is focused on Ethernet.
Can use the flush bonding processor unit to connect a plurality of sensors in the grouping and make it possible to effectively be connected to central processing unit so that carry out spectral analysis.This configuration can utilize the sensor interface unit (SIU) that is made of comprehensive multichannel analyzer, high-voltage power supply, electrical voltage system and calculating interface.This SIU configuration is connected to the flush bonding processor of supporting a plurality of sensors and provides one or more communication ports so that be connected to central processing unit.Described flush bonding processor provides independent IP address for each sensor.
According to another embodiment of the invention, can prolong described spreader bar is connected to the time of container and obtains so that can further analyze with radiological data.
According to another embodiment of the invention, can prolong described spreader bar is connected to the time of container and obtains so that can further analyze with radiological data.
According to another embodiment of the invention, the secondary radiation verification system can be configured to another node of described radiation verification system obtains so that can further analyze with radiological data.
According to another embodiment of the invention, can carry out it being followed the trail of when mobile and or monitoring to described secondary radiation verification system in targeted containers.
Describe the example of multistage radiation detection and tag system now, an one node is installed on the spreader bar of crane assembly, and another node is configured to the secondary radiation verification setting.The processing example of the operation that is used for described system also is discussed.
As shown in Figure 1, be arranged on the first order and the second level that radiation detection on the gib arm of crane (or spreader bar) 102 and tag system provide multistage radiation verification system.Fig. 1 illustrates the exemplary installation site of each sensor housing 101,110.The specific inventive features and the advantage of the exemplary embodiment of the radiation detection that is provided with such as handling operation in conjunction with crane assembly or other container and tag system below will be discussed.Yet, suppose that the reader has the understanding to radiation and sensor technology.
Referring to Fig. 1 and 2, show the example of multinode radiation verification system.Described system comprises spreader bar node (as shown in Figure 1) and secondary radiation verification node as shown in Figure 2 202.Truck 202 carries container 222, comprises goods 215 in the described container 222.A plurality of radiation sensor 202 are set at the one or both sides of container 222 so that can further analyze content 215.Distribution substation 203 is the sensor power supply.Signal between communication distribution module 204 a plurality of radiation sensor 202 of coupling and the no network 210 of branch thereof, it further describes in Fig. 3.In case it is it is suspicious that container cargo 210 is identified as in spreader bar stage, then tracked and move to secondary verification position (as shown in Figure 2) so that further handle from spreader bar setting (as shown in Figure 1) to container 222.In this example, secondary verification position comprises that by the use truck container 222 being moved to a plurality of radiation sensor 202 that are arranged on its one or both sides comes location set vanning 222.
With reference to figure 3, in this example, data gathering system 310 communicates coupling via wired, wireless communication link and/or other communication link 305 and each gamma radiation sensor device 301 and neutron sensor devices 302 in each sensor unit, and with each neutron pulse sensor device 303 communicative couplings.Data gathering system 310 comprises the information handling system with data communication interface 324, described data communication interface 324 from the radiation sensor unit 301,302 and (a plurality of) neutron pulse device 303 collect signals.In this example, collected signal indication has detected the detailed spectral data of the sensor device of radiation from each.
Multichannel analyzer (MCA) 330 comprises the equipment that is made of many single passage analyzers (SCA).Described single passage analyzer is to synthesizing from each radiation monito 301,302 simulating signal that received, and whether the specific energy range of definite received signal equals the scope that described single passage identifies.If in SCA, receive energy, just upgrade the SCA counter.The SCA counting adds up in time.At specified time interval, multichannel analyzer 330 comprises a plurality of SCA countings, and it causes producing histogram.Described histogram identifies the spectrum picture of existing radiation.According to an example, MCA 330 uses the analog to digital converter that combines with calculator memory, and it is equal to thousands of SCA sum counters and obviously more effective and cheap.
The described histogram of spectroscopic analysis system 340 uses identifies and comprises the isotope that exists in the material in the tested container.Information handling system 312 performed functions are spectral analyses, and it is by optical spectrum analyser 340 performed one or more isotopes, explosive or the spectrum materials that comprised in the tested container that identified.As for radiation detection, optical spectrum analyser 340 compares one or more spectrum pictures 350 represented known isotopes of storage in one or more spectrum pictures of existing radiation and the isotopic data storehouse 322.By catching the multiple variation of each isotopic spectroscopic data, can there be a plurality of images to compare with one or more spectrum pictures of existing radiation.Each isotopic one or more spectrum picture 350 that will identify are preserved in isotopic data storehouse 322.These a plurality of spectrum pictures are represented each rank that spectral radiation data is obtained, thereby can use the spectroscopic data of the various quantity that can obtain from one or more sensors that isotope is compared and identifies.The data volume of no matter obtaining from sensor little (perhaps big), spectroscopic analysis system 340 all will compare from the radiological data that sensor obtained and each isotopic one or more spectrum picture that will identify.This has significantly improved reliability and the validity that will mate from the spectral image data that sensor obtained and each possible isotopic spectral image data that will identify.In case determined to exist in (a plurality of) radiation that sensor detected one or more possibility isotopes, then information handling system 312 can compare isotope mixing and possible material, goods and/or the product that can appear in the tested container.In addition, manifest database 315 comprises the detailed description of the content of each container that will detect.Information handling system 210 can determine that whether with in the described manifest the possible material, goods and/or the product that to be comprised in the container be complementary for specific tested container described expection mandate material goods and/or product with reference to manifest 315.According to one embodiment of present invention, obviously any than the past container contents of this matching treatment monitors that processing is all more effective and reliable.
According to one embodiment of present invention, spectroscopic analysis system 340 comprises the existing isotopic information processing system software of unifying is analyzed and identified to collected data.Described spectral analysis software by more than a kind of by the sign isotope provide the method for multiple affirmation to be constituted.If have more than a kind of isotope, then every kind of existing isotopic ratio of system banner.The method example that can be used for spectral analysis according to an embodiment of verification of container contents system in such as spectral analysis software comprises: 1) the Margin Setting method described in the U.S. Patent No. 6847731; With 2) LINSCAN method (linear analysis of spectrographic technique) and/or as the U.S. Patent application No11/624121 that is entitled as " Advanced Pattern Recognition Systems for SpectralAnalysis " that submitted on January 17th, 2007 described in and will be in the following Advanced Peak Detection method that more goes through; Its whole instruction is hereby expressly incorporated by reference.
As for the analysis of the collected data relevant with blast and/or particular matter, optical spectrum analyser 340 and information handling system 312 by the manifest data relevant of will be stored with tested container be converted to expect blast and/or radiating matter and then with identified may blast and/or particular matter with expect explode and/or radiating matter compare with identified may blast and/or particular matter and manifest 315 compare.If system determined container and manifest and do not matched, then identified may explode and/or particular matter is undelegated.Described system can be then warns alert consitions with them and takes appropriate action for the supervisor of system provides information.
Removing of background radiation effects
Dynamic background
The background radiation in harbour, especially relevant with the container of striding land, ocean, ship and move at differing heights variation background faces the special challenge of this radiation detection and isotope identification.According to one embodiment of present invention, solve this problem by using the dynamic background method, described dynamic background method is used to the background effect that changes is compensated.This method is used continuous context update to main background data.Different weights and interval can be upgraded for herbal classic and change to some extent to obtain the suitable dynamic background of application-specific.Example formula below is provided, and shown in Figure 9.
Bi(X)＝Ai(X)
＊alpha+Bi-1(X)
＊(1-alpha) (1)
Bi(X)＝ Ai(X)
＊alpha +Bi-1(X)
＊(1-alpha)
The previous background subtraction of snapshot learning rate of new dynamic background background
As shown in Figure 7, the background environment of the variation that background radiation effects can experience according to sensor and changing to some extent, described sensor such as the sensor that is positioned at spreader bar and/or be positioned at and the sensor of the background environment relevant position that changes.For example, the sensor that is positioned at spreader bar can be positioned on waterborne, the ship, be above the ground level, is lower than ground or ship.These different background environment can influence radiation detection and isotope indication.Typically, during spreader bar moves, give prominence to from the radiation of sky, all the other then are normal.And the sensor that is positioned at the spreader bar place typically should be subjected to the protection of tested container and spreader bar in order to avoid be subjected to influence from the background radiation on ground, water and the ship.Therefore, a kind of being used for used continuous context update to the novel method that the background effect that changes compensates at the main background data.
As shown in Figure 8, dynamic background is made of main background and increment background.According to one embodiment of present invention, collect and handle radiological data, can use continuous background to upgrade subtracting background environmental effect from collected data at the main background data so that analyze.For example, can be according to collected radiological data being carried out dynamic adjustments such as background radiation data of the dynamic change relevant with other building with water, land, air, ground.This dynamic background compensation approach speed and sensitivity, the collected memory of data efficient of processing and the flexible variable system parameter of the dynamic background capture of providing is provided and handles the advantage of application-specific.In addition, information handling system can be learnt the employed particular procedure of alignment sensor during data aggregation, the background effect variation such as the normal running of predicting spreader bar and in moving.In addition, described dynamic background compensation approach can provide continuous difference to delete to the effect that changes background environment.The quality that this method has improved the data of analyzing also produces better and more reliable radiation detection and isotope identification.
According to an alternative embodiment of the invention, can use the multiple background analytical approach to remove the background effect that changes on the collected data.In one example, the GPS detecting device is mechanical coupling on the structure of supporting movable sensor, such as crane spreader bar, and provides (described spreader bar) continuous position data for handling the information handling system of collecting data.For example, the type of the background environment that the sensor that is positioned at described spreader bar place experiencing can be indicated in the position of spreader bar.Described GPS detecting device is operated in a known way and geographical location information and elevation information can be provided.The height of known above spreader bar that is to say ground level or goes back the plane, can indicate the type of the background effect that sensor experienced at spreader bar place.For example, described elevation information and/or geographical location information can compare with expection building map and the background environment near described spreader bar.The background environment of these expections is corresponding to background effect, and described background effect for example can deduct from collected data to provide better and more reliable data produce so that analyze better and more reliable radiation detection and isotope identification.Described system can use the selectable location checkout equipment that comprises plant equipment and/or electronic equipment and/or artificial data input and so on to follow the trail of variation background and respective background effect on the collected data.
Information handling system is used to control the trigger effect of the equipment that is used to collect described radiological data to other use of elevation information and geographical location information.For example, can generate neutron pulse by the neutron pulse device that is included in the sensing system, described sensing system is arranged on spreader bar place or the crane so that activity analysis to be provided, the gamma feedback after the described thus neutron pulse can the identification sets vanning in shielding radiating matter, explosive or illegal drug such as highly enricked uranium.Yet specific system implementation mode can be at the activation of specific geographical area and/or ground level and/or the described neutron pulse device of limitation in height more than the sea level.For example, during near crane operation personnel brain or at the protected field that normally has such as people neutron pulse device is controlled to keep non-activation when crane and/or spreader bar.As discussed above, be the significant advantage of system of the present invention in the speed that improves data analysis and the flexibility ratio in the reliability and to the dynamic adjustments that the different operating environment carries out, this can't obtain in the past.
For example, user interface 314 can present collected reception return signal to the user, perhaps possible explosive and/or the particular matter that in tested container, is identified, the any unauthorized explosive and/or the particular matter that are comprised in the tested container that perhaps system identified, the perhaps expression of its combination in any.
Described data gathering system can also be via communicating coupling such as network 316 with Long-distance Control and surveillance 318.Remote system 318 comprises information handling system, and described information handling system has computing machine, internal memory, storer and user interface 320, such as the display on the monitor and keyboard or other user's input-output apparatus.Network 316 comprises the LAN (Local Area Network) and/or the wide area network of arbitrary number.It can comprise wired and/or cordless communication network.This network communications technology is known in the art.Described user interface 320 allows to be positioned at long-range service or the supervisor operates the state that local system 312 also monitors the container checking of carrying out such as the set of sensor unit set on the formation structure the gib arm of crane assembly (or spreader bar) 301,302 and 303.When the central monitoring system can be presented at container and moves to secondary the setting by using CCTV camera (350) or container tracking system (355) to show the position of described container.
Be arranged on and can comprise neutron pulse device in the sensing system on spreader bar or the crane so that activity analysis to be provided, the gamma feedback identifies shielding radiating matter, explosive or the illegal drug such as highly enricked uranium thus.
Referring to Fig. 4, the example of multinode radiation verification system comprises a plurality of spreader bar radiation verification system (401) and secondary radiation verification node (404), operation center (408), container tracking system (410) and CCTV (402) camera that interconnects by data network (405).In some cases, use forklift truck to come portable terminal container on every side.Described forklift truck (420) is equipped with spreader bar and can be configured to wireless radiation verification node.
Referring to Fig. 5, show example with the spreader bar that is installed in the radiation sensor in the pull bar.In Fig. 5, one or more sensors are incorporated in the pull bar 501.Described radiation sensor is closed in the box body with shock absorbing connector 511.Gamma sensor 512 is installed in the described box body by vibrations at the downside of described unit.One or more gamma sensors comprise 7% sensor resolution (resolution) or preferably are in 662kev.Neutron-sensing device 514 and support electron device (electronics) 513 are installed in the upside of described box body.According to the discussion here, described one or more radiation sensor, gamma sensor 512, neutron-sensing device 514 and support electron device 513 should be conspicuous with respect to the installation configuration of pull bar 501 for those skilled in the art.
Referring to Fig. 6, show example with the spreader bar that is installed in the radiation sensor in the master unit.In the example of Fig. 6, radiation sensor is incorporated in the master unit 601.Described radiation sensor is closed in the box body with shock absorbing connector 611.Gamma sensor 612 is installed in the described box body by vibrations at the downside of described unit.Neutron-sensing device 614 and support electron device (electronics) 613 are installed in the upside of described box body.According to the discussion here, described one or more radiation sensor, gamma sensor 612, neutron-sensing device 614 and support electron device 613 should be conspicuous with respect to the installation configuration of master unit 601 for those skilled in the art.
By such as from the described system of central monitored position operated from a distance, supervisor that can be by limited quantity is to carrying out security monitoring more.Handle the operation except the container such as from gib arm of crane assembly of supervision as shown in the example of Fig. 1, should be understood that and to adopt different application to carry out the initial detection and the identification phase of analysis of Container.For example, as those skilled in the art according to here discussion was to be understood that, sensor unit that forklift truck is installed and Long-Range Surveillance System communicate permission to such as at the harbour, railway and combined transportation station and the lot cargo that moves and handle in ship, aircraft, freight house and other carrying environment and this place with a large amount of pending goods carry out radiation detection and sign.
In addition, but the coupling system function for monitoring at the material that monitors outside radiation and the explosive.The proper sensors of harmful element that according to an alternative embodiment of the invention, can be by will being used for other type and detecting device combine with described radiation sensor unit and surveillance and monitor together with the harmful element of radiation detection to these other types.
The preferred embodiments of the present invention can realize with the combination of hardware, software or hardware and software.System can realize in a computer system with centralized system according to the preferred embodiment of the invention, perhaps strides the distributed way that several interconnected computer systems scatter with different elements and realizes.The computer system of any type-or be suitable for carrying out method as described herein other install-all be fit to.The typical combination of hardware and software can be the general-purpose computing system with computer program, and when being loaded and carry out, described computer program controls described computer system so that it carries out method as described herein.
Can also realize that according to one embodiment of present invention it comprises all features that make it possible to carry out method as described herein with computer program, and in being loaded into computer system the time, it can carry out these methods.Computer program device herein or computer program mean the packing of orders with any language, code or symbolic formulation, and it is intended to make that the system with information processing capability is direct or a) be converted to another language, code or symbol and b) to carry out specific function after different material forms reproductions one or both of.
Each computer system can have one or more computing machines and at least one computer-readable medium, and described computer-readable medium allows computing machine reading of data, instruction, message or message bag and from other computer-readable information of described computer-readable medium.Described computer-readable medium can comprise nonvolatile memory, such as ROM, flash memory, disk drive memory, CD-ROM and other permanent storage.In addition, computer-readable medium for example can comprise the volatile memory such as RAM, impact damper, high-speed cache and lattice network.In addition, computer-readable medium can comprise the computer-readable information in the transient state medium such as network link and/or network interface, and described transient state medium comprises cable network or the wireless network that allows computing machine to read such computer-readable information.
Though specific embodiment of the present invention is described, those skilled in the art will be appreciated that, can carry out various changes and can not deviate from the spirit and scope of the present invention specific embodiment.Scope of the present invention is not restricted to certain embodiments, so claims are intended to cover any and all such application, modification and embodiment within the scope of the invention.
Claims (41)
1. multistage radiation detection and tag system comprise:
Radiation sensor system, it is arranged on the crane and comprises:
One or more gamma sensors; With
One or more solid-state neutron-sensing devices, wherein said one or more gamma sensors and described one or more solid-state neutron-sensing device are installed in jointly and are mechanical coupling to described crane and can be near on the formation structure of tested container;
The secondary radiation sensor is provided with, and it separates with the radiation sensor system on being arranged on described crane, comprises one or more sensors that are used for analyzing at the detected radiating matter of described container;
Distributed network, it is provided as isolated node communicative couplings on the radiation sensor network with described crane radiation sensor system and secondary radiation sensor;
First digital data acquisition system, it collects radiological data with the radiation sensor communicative couplings that is arranged on the crane with the radiation sensor that is used for from the described crane;
Second digital data acquisition system, its with the radiation sensor communicative couplings that is arranged on the secondary radiation verification setting to be used for collecting radiological data from the radiation sensor that is in described secondary radiation verification setting;
The multichannel analyzer system, itself and the described first and second digital data acquisition system communicative couplings are to be used to prepare the histogram of collected radiological data;
Spectroscopic analysis system, itself and described multichannel analyzer system and the described first and second digital data acquisition system communicative couplings to be being used to receive and analyze collected radiological data and described histogram, one or more isotopes that Data Detection radiation that obtains with the one or more nodes that use from the described network and sign are associated with detected radiation;
First data storage device, it is used for the data of the employed isotope spectrum of the described spectroscopic analysis system of storage representation, the one or more spectrum pictures that wherein are stored in first data storage cell are represented each isotope, described first data storage device and described spectroscopic analysis system communicative couplings;
Information handling system, itself and described spectroscopic analysis system communicative couplings are so that analyze and definite their represented possible material or goods the one or more isotopes that identified; With
Second data storage device, it is used for the data of the storage representation manifest relevant with tested container, described second data storage device and described information handling system communicative couplings, described information handling system are further used for determined possibility material or the goods manifest relevant with described and tested container are compared to determine whether comprise unauthorized material or goods in the described tested container.
2. the system as claimed in claim 1, wherein first order radiometric analysis is made up of the radiating matter in the described container of sensor from the spreader bar that is arranged on described crane.
3. the system as claimed in claim 1, wherein first order radiometric analysis is by being formed from the radiating matter that is arranged in the described container of sensor on the radiation inlet.
4. the system as claimed in claim 1, wherein second level radiometric analysis is made up of the radiating matter in the described container of sensor identification from the spreader bar that is arranged on described crane.
5. the system as claimed in claim 1, wherein second level radiometric analysis approaches described container by the sensor on the spreader bar that keeps being arranged on described crane in the time cycle that prolongs and is formed, wherein from described sensor collection additional data with the radiating matter in the described tested container of further sign.
6. the system as claimed in claim 1, wherein second level radiometric analysis is formed by using described secondary radiation sensor that institute is set, and wherein mobile described container is so that further analyze.
7. the system as claimed in claim 1 is wherein carried out second level radiometric analysis by the sensor that is arranged on the forklift truck on described tested container.
8. the system as claimed in claim 1, wherein said spectroscopic analysis system is analyzed collected radiological data and described histogram, to detect one or more isotopes that radiation and sign are associated with detected radiation by the software on the program product that uses a computer, the software that is provided for the operation of described spectroscopic analysis system comprises:
Margin setting method described in the U.S. Patent No. 6847731; With
The linear analytical approach (LINSCAN method) of spectrum described in the U.S. Provisional Patent Application No.60/759331.
9. the system as claimed in claim 1, wherein said one or more gamma sensors comprise integrated analog interface and analog to digital converter.
10. the system as claimed in claim 1, wherein one or more gamma sensors comprise 7% sensor resolution or preferably are in 662kev.
11. the system as claimed in claim 1, wherein said one or more solid-state neutron-sensing devices comprise integrated analog interface and analog to digital converter.
12. the system as claimed in claim 1, wherein the information handling system with described digital data acquisition system communicative couplings is used to regulate collected radiological data so that the background radiation effects from background environment is compensated.
13. system as claimed in claim 12, wherein said information handling system is carried out dynamic adjustments according to the background radiation effects that changes to collected radiological data.
14. system as claimed in claim 12, wherein said information handling system according to the multiple background radiation effect analysis collected radiological data is regulated.
15. an explosive, particular matter and other material detect and tag system, comprising:
The neutron pulse maker;
One or more radiation sensor, it is used for identifying gamma or other emission signal as the neutron pulse result that material generated according in the container;
Data gathering system, it is communicatively coupled to one or more radiation sensor, to be used to collect the return signal as the neutron pulse result;
Spectral analysis and information handling system, itself and described data gathering system communicative couplings are so that analyze being used to detect the indoor material of tested container collected reception return data, and wherein possible explosive and/or the particular matter of sign; With
Data storage device, it is used for the data of the storage representation manifest relevant with tested container, described data storage device and described spectral analysis and information handling system communicative couplings, described spectral analysis is further used for utilizing the manifest relevant with tested container that possible explosive and/or the particular matter that is identified compared with information handling system, to determine whether comprise unauthorized explosive and/or particular matter in the described tested container.
16. system as claimed in claim 15 further comprises:
User interface, itself and described spectral analysis and information handling system communicative couplings are to present following at least one to the user:
The expression of collected reception return signal;
Described generation survey the possible explosive that identified in the container and/or particular matter and
The unauthorized explosive and/or the particular matter of the system banner that is comprised in the described tested container.
17. system as claimed in claim 15, wherein said particular matter comprises highly enricked uranium.
18. system as claimed in claim 15, wherein said spectral analysis and information handling system be by being converted to the manifest relevant with tested container expection explosive and/or particular matter, and the possible explosive that then will be identified and/or particular matter and described expection explosive and/or particular matter compare and the possible explosive that identified and/or particular matter and described expection explosive and/or particular matter are compared.
19. system as claimed in claim 15, the sensing system that wherein is used to respond to described tested container contents is based on nuclear resounce, gamma imaging and be used to detect and identify the advanced technology of explosive, radiating matter, shielding material, chemistry and/or biological substance.
20. system as claimed in claim 15, wherein sensor concentrator is used to connect the sensor group that is arranged in the spreader bar to be used to get back to the concentrated communication path of central processing unit, and described sensor concentrator is connected to the sensor interface unit of each sensor.
21. system as claimed in claim 15 wherein implements the neutron pulse maker as the integration module in the sensing system so that by carrying out activity analysis from the gamma of the material such as highly enricked uranium, explosive and illegal drug feedback.
22. system as claimed in claim 15, wherein the neutron pulse maker near the spreader bar of crane or forklift truck setting so that carry out activity analysis by gamma feedback from the material such as highly enricked uranium, explosive and illegal drug in the container.
23. system as claimed in claim 15, wherein flush bonding processor is used to connect the one group of sensor that is arranged on spreader bar and supports communicating by letter of sensor and central processing unit, and described flush bonding processor is connected to the sensor interface unit of each sensor.
24. system as claimed in claim 15, wherein information handling system and described digital data acquisition system communicative couplings are so that carry out dynamic adjustments so that the background radiation effects from the variation of background environment is compensated to collected radiological data.
25. a method that is used to detect and identify the radiating matter in one or more containers, described method comprises:
Collect at least one spectroscopic data of the radiological data that expression is associated with described container and content thereof and gather by being installed in to be positioned at outside the container and to constitute structural a plurality of radiation sensor with its approaching at least one, described container approaches described a plurality of radiation sensor;
To collected at least one spectroscopic data set carrying out spectral analysis that is associated with described container and content thereof;
Identify the one or more isotopes that are associated with content in the described container based on spectral analysis to collected at least one spectroscopic data set;
The sign with the one or more isotopes that identified in one or more materials that are associated;
The material that has been identified and at least one manifest that is associated with described container are compared, and wherein said at least one manifest is listed and is declared the material set that is in the described container; And
Comparative result set is stored in the internal memory, and described comparative result set and the material that has been identified relatively are associated with at least one manifest that is associated with described container.
26. method as claimed in claim 25, wherein said a plurality of radiation sensor comprise following at least one:
One group of gamma sensor; With
One group of solid-state neutron-sensing device.
27. method as claimed in claim 25 further comprises:
Provide histogram set, the different spectrum pictures of the radiation that each histogram graph representation in the wherein said histogram set and described container are associated corresponding to the set of at least one spectroscopic data.
28. method as claimed in claim 27, wherein one or more isotopes of being associated of the interior content of sign and described container further comprise:
Each histogram and a plurality of spectrum picture in the described histogram set are compared, wherein isotope of each histogram graph representation;
Based on each histogram is compared, each in a plurality of spectrum pictures that at least a portion histogram fully mated during sign was gathered with described histogram; And
One or more isotopes of being associated of content in sign and the described container, the isotope that each identified is represented by at least one institute's characteristic spectrum image that at least a portion histogram in gathering with described histogram fully mates.
29. method as claimed in claim 25 represents that wherein material further comprises:
One or more isotopes of being identified are compared with at least one one or more isotope that are associated in predefined and multiple material, a plurality of goods and a plurality of product, and known it comprises predefined one or more isotopic combination in any; And
Based on to one or more isotopic relatively with at least a material, goods or product mark for may be in the content of described container, described at least a material, goods or product comprise one or more in the one or more isotopes that identified.
30. method as claimed in claim 25, wherein said spectral analysis further comprises:
Radiological data at least one collected on frequency range spectroscopic data set and the collection neutron counting that is associated are carried out spectral analysis, wherein in the analysis of described radiological data, collected non-zero neutron counting is corresponding to deducting and the collected corresponding radiological data of non-zero neutron counting in the radiological data from least one collected spectroscopic data set.
31. method as claimed in claim 25, wherein one or more isotopes of being associated of the interior content of sign and described container further comprise:
Spectrum picture in the histogram of the complex spectrum image that expression is associated with content in described container and the described container carries out spectral analysis;
At least a portion spectrum picture in a plurality of spectroscopic datas and the described histogram is compared, and each spectrum picture in wherein said a plurality of spectrum pictures is represented an isotope;
Based on described relatively identify in described a plurality of spectroscopic data with described histogram in first spectrum picture that fully mates of at least a portion spectrum picture;
Deduct first spectrum picture that is identified in the spectrum picture from described histogram and produce residue spectrum picture in the described histogram; And
Each follow-up spectrum picture in described a plurality of spectrum pictures is repeated described comparison, identifies and subtracts each other, after wherein in described histogram, being identified at least a portion residue spectrum picture, then deduct each follow-up spectrum picture in the residue spectrum picture from described histogram.
32. method as claimed in claim 25 further comprises:
Before spectral analysis is carried out at least one collected spectroscopic data set, from least one collected spectroscopic data set, deduct one of background radiation data of a plurality of dynamic changes.
33. one kind is carried out dynamic adjustments to the spectroscopic data of collecting from one or more containers so that detect and the method for sign radiating matter wherein, described method comprises:
Provide and background radiation data about the corresponding a plurality of dynamic changes of different background environment of described container;
Collect at least one spectroscopic data set that expression is associated with described container and content thereof by a plurality of radiation sensor, described container is near described a plurality of radiation sensor; And
According to one of background radiation data of described a plurality of dynamic changes dynamic adjustments is carried out at least one collected spectroscopic data set.
34. method as claimed in claim 33, wherein said dynamic adjustments further comprises:
Select one of background radiation data of described a plurality of dynamic changes; And
From collected at least one spectroscopic data set, deduct in the background radiation data of described dynamic change selected one.
35. method as claimed in claim 33 further comprises:
To at least one collected spectroscopic data set carrying out spectral analysis of dynamically having been regulated;
Based on one or more isotopes that collected at least one spectroscopic data set carrying out spectral analysis sign of dynamically having been regulated is associated with content in the described container;
The sign with the one or more isotopes that identified in one or more materials that are associated;
The material that has been identified and at least one manifest that is associated with described container are compared, and wherein said at least one manifest is listed and is declared the material set that is in the described container; And
Comparative result set is stored in the internal memory, and described comparative result set and the material that has been identified relatively are associated with at least one manifest that is associated with described container.
36. method as claimed in claim 33, wherein said different background environment comprise following at least one:
Water;
Land;
Air;
Ground; With
Other container.
37. a system that is used to detect and identify the radiating matter in one or more containers, described system comprises at least:
Be installed in and be positioned at outside the container and at least one approaching with it constitutes structural a plurality of radiation sensor, wherein said a plurality of radiation sensor is suitable for collecting at least one spectroscopic data of the radiological data that expression is associated with described container and content thereof to be gathered, and described container approaches described a plurality of radiation sensor;
Be communicatively coupled to the information handling system of described a plurality of sensors, wherein said information handling system is suitable for:
To collected at least one spectroscopic data set carrying out spectral analysis that is associated with described container and content thereof;
Identify the one or more isotopes that are associated with content in the described container based on spectral analysis to collected at least one spectroscopic data set;
The sign with the one or more isotopes that identified in one or more materials that are associated;
The material that has been identified and at least one manifest that is associated with described container are compared, and wherein said at least one manifest is listed and is declared the material set that is in the described container; And
Comparative result set is stored in the internal memory, and described comparative result set and the material that has been identified relatively are associated with at least one manifest that is associated with described container.
38. system as claimed in claim 37, wherein said information handling system is further adapted for:
Provide histogram set, the different spectrum pictures of the radiation that each histogram graph representation in the wherein said histogram set and described container are associated corresponding to the set of at least one spectroscopic data.
39. system as claimed in claim 38, wherein said information handling system are further adapted for by following steps and identify the one or more isotopes that are associated with content in the described container:
Each histogram and a plurality of spectrum picture in the described histogram set are compared, wherein isotope of each histogram graph representation;
Based on each histogram is compared, each in a plurality of spectrum pictures that at least a portion histogram fully mated during sign was gathered with described histogram; And
One or more isotopes of being associated of content in sign and the described container, the isotope that each identified is represented by at least one institute's characteristic spectrum image that at least a portion histogram in gathering with described histogram fully mates.
40. method as claimed in claim 37, wherein said information handling system are further adapted for by the one or more materials that are associated in following steps signs and the one or more isotopes that identified
One or more isotopes of being identified are compared with at least one one or more isotope that are associated in predefined and multiple material, a plurality of goods and a plurality of product, and known it comprises predefined one or more isotopic combination in any; And
Based on to one or more isotopic relatively with at least a material, goods or product mark for may be in the content of described container, described at least a material, goods or product comprise one or more in the one or more isotopes that identified.
41. the isotopic method that a sign is associated with content in the container, described method comprises:
By being positioned at outside the container and gathering with the spectroscopic data that its approaching a plurality of radiation sensor are collected the radiological data that expression is associated with described container and content thereof; And
The gamma spectrum and the existing neutron that are used for isotope identification by use carry out sequence identification according to collected spectroscopic data set to the one or more isotopes that are associated with the content of described container.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/564,193 US7851766B2 (en) | 2001-10-26 | 2006-11-28 | Multi-stage system for verification of container contents |
| US11/564,193 | 2006-11-28 | ||
| US11/624,121 | 2007-01-17 | ||
| US11/624,089 | 2007-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101563705A true CN101563705A (en) | 2009-10-21 |
Family
ID=41221585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007800441801A Pending CN101563705A (en) | 2006-11-28 | 2007-11-27 | Multi-stage system for verification of container contents |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101563705A (en) |
| ZA (1) | ZA200903647B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102565845A (en) * | 2010-12-31 | 2012-07-11 | 同方威视技术股份有限公司 | Gamma ray spectrometry radionuclide identification method utilizing multiple detectors |
| CN103221804A (en) * | 2010-09-10 | 2013-07-24 | 集成电子制造公司 | Signal and detection system for keying applications |
| CN107690576A (en) * | 2015-06-08 | 2018-02-13 | 雷神公司 | Radioactive anomaly detector |
| CN112415213A (en) * | 2019-08-21 | 2021-02-26 | 深圳迈瑞生物医疗电子股份有限公司 | Reference substance position setting method, data management device, and storage medium |
-
2007
- 2007-11-27 CN CNA2007800441801A patent/CN101563705A/en active Pending
- 2007-11-27 ZA ZA200903647A patent/ZA200903647B/en unknown
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103221804A (en) * | 2010-09-10 | 2013-07-24 | 集成电子制造公司 | Signal and detection system for keying applications |
| CN102565845A (en) * | 2010-12-31 | 2012-07-11 | 同方威视技术股份有限公司 | Gamma ray spectrometry radionuclide identification method utilizing multiple detectors |
| CN102565845B (en) * | 2010-12-31 | 2013-11-06 | 同方威视技术股份有限公司 | Gamma ray spectrometry radionuclide identification method utilizing multiple detectors |
| CN107690576A (en) * | 2015-06-08 | 2018-02-13 | 雷神公司 | Radioactive anomaly detector |
| CN112415213A (en) * | 2019-08-21 | 2021-02-26 | 深圳迈瑞生物医疗电子股份有限公司 | Reference substance position setting method, data management device, and storage medium |
| CN112415213B (en) * | 2019-08-21 | 2024-02-06 | 深圳迈瑞生物医疗电子股份有限公司 | Reference substance position setting method, data management apparatus, and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA200903647B (en) | 2010-08-25 |
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