CN117936134A - Gain coefficient correction method, device, equipment and medium for power detector - Google Patents
Gain coefficient correction method, device, equipment and medium for power detector Download PDFInfo
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Abstract
The invention discloses a gain coefficient correction method, device, equipment and medium of a power detector. The method comprises the following steps: introducing xenon oscillation into the reactor core to be treated according to a reactor core model flux diagram of the reactor core to be treated to obtain the reactor core peripheral weight and the reactor core peripheral weight power of each power measurement channel of the reactor core to be treated; determining a target coupling coefficient of each power measurement channel according to each core peripheral weight and core peripheral weight power; acquiring a historical gain correction coefficient of a core to be processed in a historical period; and determining a target gain correction coefficient according to each target coupling coefficient and the historical gain correction coefficient. The technical scheme of the embodiment of the invention realizes the accurate correction of the gain coefficient of the power detector.
Description
Technical Field
The invention relates to the technical field of nuclear power related data processing, in particular to a gain coefficient correction method, device, equipment and medium of a power detector.
Background
In the nuclear power technical field, a power range measuring device is used for receiving current signals of an upper section and a lower section of an ionization chamber of a reactor. The power range measurement is to obtain a current signal corresponding to the power of the reactor, and due to factors such as the change of the reactor core loading, the deepening of burnup, the power change and the like, and the system self reasons such as the drift of the power range detector system, the scale coefficient between the current and the power of the ionization chamber of the power range measurement channel also changes, so that the power level, the axial power distribution and the actual power running state of the reactor measured by the power range measurement channel deviate to a certain extent, and therefore, the gain coefficient of the power measurement device needs to be corrected, so that the accurate reactor core related parameters are ensured.
Disclosure of Invention
The invention provides a gain coefficient correction method, device, equipment and medium for a power detector, which are used for accurately correcting the gain coefficient of the power detector.
According to an aspect of the present invention, there is provided a gain factor correction method of a power detector, the method including:
Introducing xenon oscillation into the reactor core to be treated according to a reactor core model flux diagram of the reactor core to be treated to obtain the reactor core peripheral weight and the reactor core peripheral weight power of each power measurement channel of the reactor core to be treated;
Determining a target coupling coefficient of each power measurement channel according to each core peripheral weight and core peripheral weight power;
Acquiring a historical gain correction coefficient of the core to be processed in a historical period;
And determining a target gain correction coefficient according to each target coupling coefficient and the historical gain correction coefficient.
According to another aspect of the present invention, there is provided a gain factor correction device of a power detector, the device comprising:
the peripheral weight power determining module is used for introducing xenon oscillation into the core to be processed according to a core model flux map of the core to be processed to obtain core peripheral weight and core peripheral weight power of each power measuring channel of the core to be processed;
The target coupling coefficient determining module is used for determining the target coupling coefficient of each power measuring channel according to each core peripheral weight and core peripheral weight power;
the history correction coefficient acquisition module is used for acquiring a history gain correction coefficient of the core to be processed in a history period;
And the target correction coefficient determining module is used for determining a target gain correction coefficient according to each target coupling coefficient and the historical gain correction coefficient.
According to another aspect of the present invention, there is provided an electronic apparatus including:
At least one processor; and
A memory communicatively coupled to the at least one processor; wherein,
The memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the gain factor correction method of the power detector according to any of the embodiments of the present invention.
According to another aspect of the present invention, there is provided a computer readable storage medium storing computer instructions for causing a processor to implement the gain factor correction method of the power detector according to any embodiment of the present invention when executed.
According to the technical scheme, xenon concussion is introduced into the reactor core to be processed according to the reactor core model flux map of the reactor core to be processed, so that the reactor core peripheral weight and the reactor core peripheral weight power of each power measurement channel of the reactor core to be processed are obtained, the target coupling coefficient of each power measurement channel is determined according to each reactor core peripheral weight and the reactor core peripheral weight power, and the target gain correction coefficient is determined according to each target coupling coefficient and the historical gain correction coefficient, so that the accurate correction of the gain coefficient of the power detector is realized, the determination accuracy of the relevant parameters of the reactor core based on the gain coefficient is improved, and the influence of the power detector offset is eliminated.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the invention or to delineate the scope of the invention. Other features of the present invention will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a gain factor correction method of a power detector according to a first embodiment of the present invention;
Fig. 2 is a schematic structural diagram of a gain factor correction device of a power detector according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic device implementing a gain factor correction method of a power detector according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Fig. 1 is a flowchart of a gain factor correction method for a power detector according to an embodiment of the present invention, where the method may be performed by a gain factor correction device for a power detector, and the gain factor correction device for a power detector may be implemented in hardware and/or software, and the gain factor correction device for a power detector may be configured in an electronic device. As shown in fig. 1, the method includes:
s110, introducing xenon oscillation into the reactor core to be treated according to the reactor core model flux map of the reactor core to be treated, and obtaining the reactor core peripheral weight and the reactor core peripheral weight power of each power measurement channel of the reactor core to be treated.
S120, determining target coupling coefficients of all power measurement channels according to all core peripheral weights and core peripheral weight power.
S130, acquiring a historical gain correction coefficient of the core to be processed in a historical period.
And S140, determining a target gain correction coefficient according to each target coupling coefficient and the historical gain correction coefficient.
The off-core power range detector is deployed at four quadrants outside the reactor core and respectively corresponds to four power measurement channels. Each power measurement channel includes an upper power detector and a lower power detector, respectively. When the power detector performs calibration or measurement, the four power measurement channels perform calibration or measurement simultaneously.
In general, when determining the upper and lower core currents or other core related parameters, the upper and lower powers of the power measurement channels of the four quadrants are required to be equal, namely, the power inclination ratio of each quadrant is equal to 1; and there is no fully symmetrical response of the core to changes in a disturbance. Therefore, according to the core model flux map of the core to be treated, xenon oscillation is introduced into the core to be treated, so as to obtain the core peripheral weight and core peripheral weight power of the core to be treated under the power measurement channel of each quadrant.
In an alternative embodiment, determining the target coupling coefficient for each power measurement channel based on each core peripheral weight and core peripheral weight power comprises: determining average core peripheral weights according to the core peripheral weights; determining a reference coupling coefficient of each power measurement channel based on the average core peripheral weight according to each core peripheral weight; and determining the target coupling coefficient of each power measurement channel according to each reference coupling coefficient and each historical coupling coefficient.
For example, an average of the core periphery weights for each power measurement channel may be determined as an average core periphery weight.
Wherein, for any power measurement channel, the relationship between core peripheral weights WPAO and average core peripheral weight WPAO avg for that channel is as follows:
WPAO＝k1*WPAOavg+k2；
Where k 1 and k 2 may be the reference coupling coefficients of the power measurement channel.
It will be appreciated that the upper and lower currents of the power detector are related to the peripheral components as follows:
Wherein i T is the upper current of the power detector; i B is the power detector lower current; And/> Is a coupling coefficient; WPAO ex is core periphery weight.
Since the current of the detector outside the reactor is influenced by the temperature and the power level of the reactor when the reactor operates, the current is normalized to be in a standard mode, and the relationship between the normalized current and the corresponding coupling coefficient is as follows:
IT＝mT*WPAOex+bT
IB＝mB*WPAOex+bB
Where m T、bT、mB and b B are normalized coupling coefficients.
Substituting the core peripheral weight WPAO of the channel into the calculation formula of the normalized upper and lower currents can obtain:
IT＝mT*[k1*WPAOavg+k2]+bT
IB＝mB*[k1*WPAOavg+k2]+bB
Illustratively, the target coupling coefficients for each power measurement channel are determined from each reference coupling coefficient and the historical coupling coefficients in the following manner:
IT＝MT*WPAOex+BT
IB＝MB*WPAOex+BB
Wherein M T can be M T*k1;BT can be M T*k2+bT;MB can be M B*k1;BB can be M B*k2+bB. Where m T、bT、mB and b B may be the normalized coupling coefficients at the last historical detection period. Thus, the resulting target coupling coefficient is determined as the coupling coefficient in consideration of quadrant differences.
And acquiring a historical gain correction coefficient of the core to be processed under the historical period, and determining a target gain correction coefficient according to the target coupling coefficient and the historical gain correction coefficient. The target gain correction coefficients may include upper and lower rate span gain coefficients and axial flux deviation coefficients, among others.
In an alternative embodiment, determining the target gain correction factor based on each target coupling factor and the historical gain correction factor comprises: determining a first gain correction coefficient according to each target coupling coefficient and the historical gain correction coefficient; determining a second gain correction coefficient according to each target coupling coefficient; the first gain correction coefficient and the second gain correction coefficient are determined as target gain correction coefficients.
The determination mode of the upper and lower power of the reactor core is as follows:
PT＝GT*K[MT*WPAOex+BT]*WPP
PB＝GB*K[MB*WPAOex+BB]*WPP
Assume that
The value of core peripheral weight WPAO ex is zero due to P T＝PB. Thus, the above formula can be simplified:
illustratively, from the respective target coupling coefficients B T and B B, and the historical gain correction coefficient K, the first gain correction coefficients G T and G B, i.e., the upper-rate span gain coefficient G T and the lower-rate span gain coefficient G B, may be determined.
The power of the upper part and the lower part of the reactor core is differenced and simplified to obtain:
PT-PB＝WPAOex*K*[GT*MT-GB*MB]*WPP
+[GT*BT-GB*BB]*WPP
According to the following formula:
thus, the following relationship can be obtained:
WPPAFD＝GAFD*(PT-PB)
By way of example, from the target coupling coefficients M T、MB、BT and B B, an axial flux deviation coefficient G AFD may be determined. The upper and lower rate span gain coefficients G T and G B, and the axial flux deviation coefficient G AFD are both set as target gain correction coefficients.
It should be noted that, due to the power detector sensitivity or spectral sensitivity shift, the axial power deviation indicated by the detector outside the pile of a certain channel may not match with the other three channels. Therefore, it is necessary to correct this offset, thereby further improving the correction accuracy of the target gain correction coefficient, and further improving the determination accuracy of the core-related parameter determined based on the gain coefficient.
In an alternative embodiment, the measured current value detected by the off-stack detector is obtained; determining a predicted current value according to the target gain correction coefficient; determining a sensitivity correction factor according to the measured current value and the predicted current value; and updating the first gain correction coefficient by adopting the sensitivity correction factor.
For example, the upper and lower core predicted current values may be determined as follows:
IT＝MT*WPAOex+BT
IB＝MB*WPAOex+BB
The method for determining WPAO ex is as follows:
wherein, And/>The value of (c) may be determined based on the upper range gain coefficient G T and the lower range gain coefficient G B of the measured current value and the target gain correction coefficient.
Optionally, determining the sensitivity correction factor according to the measured current value and the predicted current value includes: the ratio between the measured current value and the predicted current value is used as a sensitivity correction factor.
Wherein the sensitivity correction factors include an upper correction factor and a lower correction factor. The upper correction factor S T and the lower correction factor S B are determined as follows:
Wherein, I T,M is the upper measured current value; i T,P is the upper predicted current value; i B,M is the lower measured current value; i B,P is a lower predicted current value.
Optionally, updating the first gain correction factor with the sensitivity correction factor includes: and taking the ratio of the first gain correction coefficient and the sensitivity correction factor as the updated first gain correction coefficient.
Wherein the updated upper first gain correction coefficient (upper rate range gain coefficient)And an updated lower first gain correction coefficient (lower rate range gain coefficient)/>
Wherein G T is an upper first gain correction coefficient (upper rate range gain coefficient); g B is a lower first gain correction coefficient (lower rate range gain coefficient); s T is an upper correction factor; s B is a lower correction factor.
The sensitivity correction factor of the technical scheme is used for eliminating current deviation caused by detector sensitivity or spectrum sensitivity deviation in actual measurement current, namely correcting the detector current, and converting the corrected current into power indication by original gain.
According to the technical scheme, xenon concussion is introduced into the reactor core to be processed according to the reactor core model flux map of the reactor core to be processed, so that the reactor core peripheral weight and the reactor core peripheral weight power of each power measurement channel of the reactor core to be processed are obtained, the target coupling coefficient of each power measurement channel is determined according to each reactor core peripheral weight and the reactor core peripheral weight power, and the target gain correction coefficient is determined according to each target coupling coefficient and the historical gain correction coefficient, so that the accurate correction of the gain coefficient of the power detector is realized, the determination accuracy of the relevant parameters of the reactor core based on the gain coefficient is improved, and the influence of the power detector offset is eliminated.
Example two
Fig. 2 is a schematic structural diagram of a gain factor correction device of a power detector according to a second embodiment of the present invention. The gain coefficient correction device of the power detector provided by the embodiment of the invention can be suitable for the situations of automatic message processing and message notification of massive alarm messages, and can be realized in a hardware and/or software form, as shown in fig. 2, and the device specifically comprises: a peripheral weight power determination module 201, a target coupling coefficient determination module 202, a history correction coefficient acquisition module 203, and a target correction coefficient determination module 204.
Wherein,
The peripheral weight power determining module 201 is configured to introduce xenon oscillation into a core to be processed according to a core model flux map of the core to be processed, so as to obtain core peripheral weights and core peripheral weight powers of each power measurement channel of the core to be processed;
a target coupling coefficient determining module 202, configured to determine a target coupling coefficient of each of the power measurement channels according to each of the core peripheral weights and core peripheral weight powers;
A history correction coefficient obtaining module 203, configured to obtain a history gain correction coefficient of the core to be processed in a history period;
A target correction coefficient determining module 204, configured to determine a target gain correction coefficient according to each of the target coupling coefficient and the historical gain correction coefficient.
According to the technical scheme, xenon concussion is introduced into the reactor core to be processed according to the reactor core model flux map of the reactor core to be processed, so that the reactor core peripheral weight and the reactor core peripheral weight power of each power measurement channel of the reactor core to be processed are obtained, the target coupling coefficient of each power measurement channel is determined according to each reactor core peripheral weight and the reactor core peripheral weight power, and the target gain correction coefficient is determined according to each target coupling coefficient and the historical gain correction coefficient, so that the accurate correction of the gain coefficient of the power detector is realized, the determination accuracy of the relevant parameters of the reactor core based on the gain coefficient is improved, and the influence of the power detector offset is eliminated.
The target coupling coefficient determining module 202 includes:
the average peripheral weight determining unit is used for determining average core peripheral weights according to the core peripheral weights;
a reference coupling coefficient determining unit configured to determine a reference coupling coefficient of each of the power measurement channels based on the average core peripheral weight according to each of the core peripheral weights;
And the target coupling coefficient determining unit is used for determining the target coupling coefficient of each power measurement channel according to each reference coupling coefficient and each historical coupling coefficient.
Optionally, the target correction factor determining module 204 includes:
a first correction coefficient determining unit configured to determine a first gain correction coefficient according to each of the target coupling coefficients and the historical gain correction coefficients; and
A second correction coefficient determining unit, configured to determine a second gain correction coefficient according to each of the target coupling coefficients;
and a target correction coefficient determining unit configured to determine the first gain correction coefficient and the second gain correction coefficient as target gain correction coefficients.
Optionally, the apparatus further includes:
The actually measured current acquisition module is used for acquiring an actually measured current value obtained by detection of the detector outside the pile;
the predicted current value determining module is used for determining a predicted current value according to the target gain correction coefficient;
The sensitivity factor determining module is used for determining a sensitivity correction factor according to the actual measured current value and the predicted current value;
and the first correction coefficient updating module is used for updating the first gain correction coefficient by adopting the sensitivity correction factor.
Optionally, the sensitivity factor determining module is specifically configured to:
and taking the ratio between the measured current value and the predicted current value as a sensitivity correction factor.
Optionally, the first correction coefficient updating module is specifically configured to:
and taking the ratio between the first gain correction coefficient and the sensitivity correction factor as an updated first gain correction coefficient.
The gain coefficient correction device of the power detector provided by the embodiment of the invention can execute the gain coefficient correction method of the power detector provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method.
Example III
Fig. 3 shows a schematic diagram of an electronic device 30 that may be used to implement an embodiment of the invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. Electronic equipment may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 3, the electronic device 30 includes at least one processor 31, and a memory, such as a Read Only Memory (ROM) 32, a Random Access Memory (RAM) 33, etc., communicatively connected to the at least one processor 31, wherein the memory stores a computer program executable by the at least one processor, and the processor 31 can perform various suitable actions and processes according to the computer program stored in the Read Only Memory (ROM) 32 or the computer program loaded from the storage unit 38 into the Random Access Memory (RAM) 33. In the RAM 33, various programs and data required for the operation of the electronic device 30 may also be stored. The processor 31, the ROM 32 and the RAM 33 are connected to each other via a bus 34. An input/output (I/O) interface 35 is also connected to bus 34.
Various components in electronic device 30 are connected to I/O interface 35, including: an input unit 36 such as a keyboard, a mouse, etc.; an output unit 37 such as various types of displays, speakers, and the like; a storage unit 38 such as a magnetic disk, an optical disk, or the like; and a communication unit 39 such as a network card, modem, wireless communication transceiver, etc. The communication unit 39 allows the electronic device 30 to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunication networks.
The processor 31 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 31 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, digital Signal Processors (DSPs), and any suitable processor, controller, microcontroller, etc. The processor 31 performs the various methods and processes described above, such as the gain factor correction method of the power detector.
In some embodiments, the gain factor correction method of the power detector may be implemented as a computer program tangibly embodied on a computer-readable storage medium, such as the storage unit 38. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 30 via the ROM 32 and/or the communication unit 39. When the computer program is loaded into RAM 33 and executed by processor 31, one or more steps of the gain factor correction method of the power detector described above may be performed. Alternatively, in other embodiments, the processor 31 may be configured to perform the gain factor correction method of the power detector in any other suitable way (e.g., by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuit systems, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems On Chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
A computer program for carrying out methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be implemented. The computer program may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. The computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) through which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical hosts and VPS service are overcome.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present invention may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present invention are achieved, and the present invention is not limited herein.
The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (10)
1. A method for correcting gain factors of a power detector, comprising:
Introducing xenon oscillation into the reactor core to be treated according to a reactor core model flux diagram of the reactor core to be treated to obtain the reactor core peripheral weight and the reactor core peripheral weight power of each power measurement channel of the reactor core to be treated;
Determining a target coupling coefficient of each power measurement channel according to each core peripheral weight and core peripheral weight power;
Acquiring a historical gain correction coefficient of the core to be processed in a historical period;
And determining a target gain correction coefficient according to each target coupling coefficient and the historical gain correction coefficient.
2. The method of claim 1, wherein the determining the target coupling coefficient for each of the power measurement channels based on each of the core peripheral weights and core peripheral weight power comprises:
Determining an average core peripheral weight according to each core peripheral weight;
Determining a reference coupling coefficient for each of the power measurement channels based on the average core peripheral weights according to each of the core peripheral weights;
and determining a target coupling coefficient of each power measurement channel according to each reference coupling coefficient and each historical coupling coefficient.
3. The method of claim 1, wherein said determining a target gain correction factor based on each of said target coupling factor and said historical gain correction factor comprises:
Determining a first gain correction coefficient according to each target coupling coefficient and the historical gain correction coefficient; and
Determining a second gain correction coefficient according to each target coupling coefficient;
and determining the first gain correction coefficient and the second gain correction coefficient as target gain correction coefficients.
4. A method according to claim 3, characterized in that the method further comprises:
obtaining an actually measured current value obtained by detection of an off-stack detector;
Determining a predicted current value according to the target gain correction coefficient;
Determining a sensitivity correction factor according to the measured current value and the predicted current value;
And updating the first gain correction coefficient by adopting the sensitivity correction factor.
5. The method of claim 4, wherein said determining a sensitivity correction factor based on said measured current value and said predicted current value comprises:
and taking the ratio between the measured current value and the predicted current value as a sensitivity correction factor.
6. The method of claim 4, wherein said updating said first gain correction factor using said sensitivity correction factor comprises:
and taking the ratio between the first gain correction coefficient and the sensitivity correction factor as an updated first gain correction coefficient.
7. A gain factor correction device for a power detector, comprising:
the peripheral weight power determining module is used for introducing xenon oscillation into the core to be processed according to a core model flux map of the core to be processed to obtain core peripheral weight and core peripheral weight power of each power measuring channel of the core to be processed;
The target coupling coefficient determining module is used for determining the target coupling coefficient of each power measuring channel according to each core peripheral weight and core peripheral weight power;
the history correction coefficient acquisition module is used for acquiring a history gain correction coefficient of the core to be processed in a history period;
And the target correction coefficient determining module is used for determining a target gain correction coefficient according to each target coupling coefficient and the historical gain correction coefficient.
8. The apparatus of claim 7, wherein the target coupling coefficient determination module comprises:
the average peripheral weight determining unit is used for determining average core peripheral weights according to the core peripheral weights;
a reference coupling coefficient determining unit configured to determine a reference coupling coefficient of each of the power measurement channels based on the average core peripheral weight according to each of the core peripheral weights;
And the target coupling coefficient determining unit is used for determining the target coupling coefficient of each power measurement channel according to each reference coupling coefficient and each historical coupling coefficient.
9. An electronic device, the electronic device comprising:
At least one processor; and
A memory communicatively coupled to the at least one processor; wherein,
The memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the gain factor correction method of the power detector of any of claims 1-6.
10. A computer readable storage medium storing computer instructions for causing a processor to implement the gain factor correction method of the power detector of any of claims 1-6 when executed.
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