CN114171220B - Control rod and/or control drum integral value measuring method and device - Google Patents

Control rod and/or control drum integral value measuring method and device Download PDF

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Publication number
CN114171220B
CN114171220B CN202111470650.9A CN202111470650A CN114171220B CN 114171220 B CN114171220 B CN 114171220B CN 202111470650 A CN202111470650 A CN 202111470650A CN 114171220 B CN114171220 B CN 114171220B
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control
drum
detecting
measured
control rod
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CN114171220A (en
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刘东海
杨历军
张巍
罗皇达
张明葵
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China Institute of Atomic of Energy
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China Institute of Atomic of Energy
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    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C17/00Monitoring; Testing ; Maintaining
    • G21C17/10Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments, e.g. for measuring radioactivity, strain
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

A control rod and/or control drum integral value measurement method comprising the steps of: detecting a selection operation of a display interface, and selecting an object to be measured according to a result of the selection operation, wherein the object comprises at least one of a control rod or a control drum; detecting control operation of the display interface, and controlling the object to move to a shutdown position according to the result of the control operation, wherein the shutdown position is the position of the control rod or the control drum at the reactor core when the reactor is shutdown; acquiring a counting rate of the process of moving the object to the shutdown position; and calculating an integral value according to the counting rate. The method supports the operation of the user through the operation interface, and the object to be measured can be flexibly selected, so that the integral value of the selected object is measured. The object to be measured may include at least one of a control bar or a control drum, and by flexibly selecting a combination between objects to be measured, simultaneous measurement of a plurality of objects can be achieved, which is advantageous in improving work efficiency.

Description

Control rod and/or control drum integral value measuring method and device
Technical Field
The embodiment of the application relates to the technical field of nuclear reactors, in particular to a control rod and/or control drum integral value measuring method and device.
Background
The control rods or the control drums are important components of the reactor, and are provided with neutron absorbers for adjusting neutron change of the reactor core and reactor core reactivity so as to support the operation, shutdown or physical experiment of the reactor. The value, integral value or differential value of the control rod or control drum is measured, which is helpful to obtain the control capacity of the reactor reactivity control system and the safety margin of the shutdown system, and provides a data base for the safe operation and accident analysis of the reactor.
The existing method for measuring the integral value or the differential value of the control rod or the control drum is inconvenient in falling the control rod or rotating the control drum by manually cutting off the power supply of an electromagnetic mechanism driving the control rod or the control drum, and has low measurement efficiency.
Disclosure of Invention
According to a first aspect of the present application, a control rod and/or control drum integral value measurement method is presented, comprising the steps of: detecting a selection operation of a display interface, and selecting an object to be measured according to a result of the selection operation, wherein the object comprises at least one of a control rod or a control drum; detecting control operation of the display interface, and controlling the object to move to a shutdown position according to the result of the control operation, wherein the shutdown position is the position of the control rod or the control drum at the reactor core when the reactor is shutdown; acquiring a counting rate of the process of moving the object to the shutdown position; and calculating an integral value according to the counting rate.
According to a second aspect of the present application, there is provided a control rod and/or control drum integral value measuring device comprising: a display module arranged to display an object to be measured, the object comprising at least one of a control bar or a control drum; a detection module configured to detect a selection operation or a control operation of the display module; the processing module is used for selecting an object to be measured according to the result of the selection operation or controlling the object to move to a shutdown position according to the result of the control operation, wherein the shutdown position is the position of the control rod or the control drum at the reactor core when the reactor is shutdown; the acquisition module is used for acquiring the counting rate of the process of moving the object to the shutdown position; and the calculating module is used for calculating the integral value according to the counting rate.
According to a third aspect of the present application, there is provided a control rod and/or control drum integral value measuring apparatus comprising: a processor and a memory having stored therein computer executable instructions which, when executed by the processor, cause the processor to perform the control stick and/or control drum integral value measurement method described above.
According to a fourth aspect of the present application, a computer-readable recording medium is presented, storing executable instructions that, when executed by a processor, cause the processor to perform the control stick and/or control drum integral value measurement method described above.
According to the control rod and/or control drum integral value measuring method or device, a user is supported to operate through an operation interface, and the object to be measured can be flexibly selected, so that the integral value of the selected object is measured. The object to be measured may include at least one of a control bar or a control drum, and by flexibly selecting a combination between objects to be measured, simultaneous measurement of a plurality of objects can be achieved, which is advantageous in improving work efficiency.
Drawings
FIG. 1 is a schematic illustration of a control rod and/or control drum integral value measurement method according to an embodiment of the present application;
FIG. 2 (a) is a schematic diagram of the selection of an object to be measured for one embodiment of the method of FIG. 1;
FIG. 2 (b) is a schematic diagram of selecting an object to be measured according to another embodiment of the method of FIG. 1;
FIG. 2 (c) is a schematic diagram of selecting an object to be measured according to another embodiment of the method of FIG. 1;
FIG. 3 is a schematic diagram of one embodiment of the method of FIG. 1 controlling movement of a selected object to a shutdown position;
FIG. 4 is a schematic diagram of a selection operation or a control operation of a detection display interface of one embodiment of the method of FIG. 1;
FIG. 5 is a schematic diagram of a control rod and/or control drum integral value measurement device according to an embodiment of the present application.
It should be noted that the drawings are not necessarily to scale, but are merely shown in a schematic manner that does not affect the reader's understanding.
Detailed Description
For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to the drawings of the embodiments of the present application. It will be apparent that the described embodiments are one embodiment of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without the benefit of the present disclosure, are intended to be within the scope of the present application based on the described embodiments.
It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which this application belongs. If, throughout, reference is made to "first," "second," etc., the description of "first," "second," etc., is used merely for distinguishing between similar objects and not for understanding as indicating or implying a relative importance, order, or implicitly indicating the number of technical features indicated, it being understood that the data of "first," "second," etc., may be interchanged where appropriate. If "and/or" is present throughout, it is meant to include three side-by-side schemes, for example, "A and/or B" including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. Furthermore, for ease of description, spatially relative terms, such as "above," "below," "top," "bottom," and the like, may be used herein merely to describe the spatial positional relationship of one device or feature to another device or feature as illustrated in the figures, and should be understood to encompass different orientations in use or operation in addition to the orientation depicted in the figures.
The control rods and control drums of the present application are structures on the reactor for regulating core reactivity, ensuring reactor operation/shutdown. Which relies on neutron absorbing material to alter core neutron changes. The structure of the control rod and the control drum can be referred to the related art, and will not be described in detail herein.
The control rods typically have a rod-like structure and are inserted into the core at different depths or at different elevations in the core to adjust reactivity. The control drum is typically positioned in the side beryllium reflective layer with the sub-absorbers therein facing toward or away from the core to adjust reactivity by rotation.
The integrated value described herein refers to the reactivity change introduced by the control rods moving a distance to a certain position in the core or by the control drums rotating an angle to a certain position in the core. Of course, the measuring method or device of the present application is equally applicable to measuring the differential value of the control rod and/or control drum. Differential value refers to the change in reactivity of the control rod by a unit distance of movement from different heights or by a unit angle of rotation of the control drum from different positions.
By measuring the integrated or differential value of the control rods and/or control drums, a data basis can be provided for loading, critical experiments, operation, etc. of the reactor to improve reactor safety.
Referring to fig. 1 to 5, a control rod and/or control drum integral value measurement method according to an embodiment of the present application includes the steps of: detecting a selection operation of a display interface, and selecting an object to be measured according to a result of the selection operation, wherein the object comprises at least one of a control rod or a control drum; detecting control operation of the display interface, and controlling the object to move to a shutdown position according to the result of the control operation, wherein the shutdown position is the position of the control rod or the control drum at the reactor core when the reactor is shutdown; acquiring a counting rate of the process of moving the object to the shutdown position; and calculating an integral value according to the counting rate.
The method can be realized through terminal equipment with a user operation interface. The terminal device includes, for example, a computer, a tablet, or a mobile phone. The method can be realized through the APP installed on the terminal equipment. The method described above may be implemented by a processor. The user interface may display virtual objects to be measured and/or operating, control mechanisms for the user to operate and/or view measurements, history, etc.
As shown in fig. 1, the above measurement method may perform step S101 of selecting an object to be measured based on a user' S demand. The object to be measured comprises at least one of a control rod or a control drum.
In connection with fig. 2 (a) -2 (c), based on user's needs, different combinations between control sticks and control drums can be selected to flexibly select an object to be measured or to measure multiple objects simultaneously to improve work efficiency.
In some embodiments, selecting the object to be measured may include selecting at least one control stick. The control rod is used as a measuring object to measure the integral value of the control rod, namely, the change of the reactivity introduced in the process from the preset position to the insertion core until reaching the shutdown position. Fig. 2 (a) shows a total of three control rods, however, the illustration does not limit the application, and a plurality of control rods may be provided according to actual needs.
In some embodiments, selecting the object to be measured may include selecting at least one control drum. The control drum is used as a measuring object to measure the integral value, i.e. the reactivity change introduced in the process from the preset position towards the core until reaching the shutdown position. Fig. 2 (b) illustrates a total of three control drums, however, this illustration does not limit the application, and a plurality of control drums may be provided according to actual needs.
In some embodiments, selecting the object to be measured may include selecting at least one control stick and at least one control drum. The control rod and control drum may be combined arbitrarily to measure multiple objects simultaneously.
Further, in step S101, selecting the object to be measured further includes: highlighting the selected control stick and/or control drum; and/or displaying the selected control bar and control drum based on different colors and/or different brightnesses.
In connection with fig. 2 (a) -2 (c), a user may view the selected result through a user operation interface. So that the user checks whether the selection result meets the actual requirement.
As shown in fig. 2 (a), when the user desires to select the "control bar 1", the finally selected "control bar 1" is highlighted. In some embodiments, the font that includes "control bar 1" is highlighted, e.g., the font changes from black to an increased-brightness color. Highlighting also includes the background of the outline in which the control bar 1 is located being highlighted, for example the background filling changing from white to colour. By highlighting the selected object, the user can see the selection result at a glance so that the user can determine whether the selection result is correct.
As shown in fig. 2 (b), when the user desires to select the "control drum 2", the finally selected "control drum 2" is highlighted. In some embodiments, the font that includes "control drum 2" is highlighted, e.g., the font changes from black to an increased-brightness color. Highlighting also includes controlling the background of the outline where the drum 2 is located to be highlighted, for example, the background filling changes from white to color.
As shown in fig. 2 (c), when the user desires to select the control stick and the control drum at the same time, the selected control stick and control drum may be highlighted. Wherein the types of control rods may be further divided, the control rods include safety rods, adjustment rods and compensation rods. The types of control drums may be further divided, including safety drums and regulating drums. The user may select the subdivided control stick or control drum type as desired. As shown in fig. 2 (c), the user can select the safety bar 1 and the safety drum 2 as the measurement objects.
When the user desires to select "safety bar 1" and "safety drum 2", both may be displayed by different colors and/or different brightnesses. Color and/or brightness may refer to a font or background. In fig. 2 (c), the "safety bar 1" and the "safety drum 2" are displayed by different background colors.
It will be appreciated that displaying the selected measurement object may also be accomplished in other ways, e.g. the selected object may have an enlarged font. Or through a window superimposed over the current interface.
Further, in step S101, detecting the selection operation of the display interface includes: a cursor signal falling within a preset area surrounding a frame portion of each object to be measured is detected.
As shown in fig. 2 to 4, the user operation interface displays a frame portion surrounding each object to be measured, and when the user selects the object to be measured, the user only needs to move the selection cursor to the desired frame portion and move the cursor to a preset area of the frame portion. The preset area may be any position of the frame portion, for example, a boundary line of the frame portion, an inside of the frame portion, an area to the left of the frame portion, an area to the upper of the frame portion, and the like. The user simply moves the cursor to select the desired object to be measured.
When the user operation interface is a touchable display screen, the user moves the cursor to a desired position by a finger. Further, after moving the cursor to the desired position, the user may perform a click operation with a finger to determine the object to be selected. Of course, the user may not perform the click operation.
When the user operation interface is a non-touch display screen, the user may move a cursor by means of, for example, a mouse, a remote control, or a pen. Further, after moving the cursor to the desired position, the user can perform a click operation.
Next, as shown in fig. 1, the above measurement method may perform step S103 of controlling the movement of the selected object.
Typically, the control rod and control drum are controlled in motion by a drive mechanism. The drive mechanism further includes an electromagnetic mechanism, such as an electromagnet or electromagnetic clutch, and when the electromagnetic mechanism is powered off, the control rod or control drum will not be acted upon by the drive mechanism and will be able to move toward the core under its own weight or under the action of the spring mechanism. For example, when the drive mechanism or the electromagnetic mechanism is de-energized, the control rod is disengaged from the drive mechanism and falls under its own weight until inserted into the core. When the driving mechanism or the electromagnetic mechanism is powered off, the control drum is driven by the released elastic potential energy to rotate towards the reactor core.
The power supply of the driving mechanism or the electromagnetic mechanism is not required to be manually cut off, and the power supply of the driving mechanism or the electromagnetic mechanism is controlled to be turned off or cut off at the user operation interface, so that the movement of the measuring object towards the reactor core can be controlled.
As shown in fig. 4, the user operation interface may display an operation member representing the power supply of the driving mechanism or the electromagnetic mechanism, which may include a button or a switch. By detecting the operation of the operation member, the measurement object can be made to start moving so as to measure the integrated value thereof.
In some embodiments, detecting a control operation of a display interface includes: the signal of the number of times the button is clicked, or the signal of the preset position of the switch being clicked is detected.
When the operation member is a button, based on the selected object, the user can click or press the button to cause the power of the driving mechanism or the electromagnetic mechanism to be turned off or cut off. For example, the power is turned off by clicking once, and the user only needs to perform one click operation.
When the operation member is a switch, based on the selected object, the user can click or press a preset position of the switch to turn off or cut off the power supply of the driving mechanism or the electromagnetic mechanism. For example, the switch is divided into left and right partial areas, the left area representing "off" and the right area representing "on". The user can turn off the power supply by clicking the left area of the switch.
When the user operation interface is a touchable display screen, the user can click or press the touch screen by the finger. When the user operation interface is a non-touch display screen, the user may perform a click or press operation by means of, for example, a mouse, a remote controller, or a pen.
The control rod and/or the control drum can move towards the shutdown position by cutting off the power supply of the driving mechanism or the electromagnetic mechanism of the corresponding control rod and/or the control drum through simple operation, so that the reactivity change is measured in the movement process.
Further, in conjunction with fig. 3 to 4, in step S103, controlling the object to move to the shutdown position according to the result of the control operation includes: and detecting a closing signal of a power supply of a driving mechanism of the control rod and/or the control drum, and determining that the control rod and/or the control drum moves towards the shutdown position according to the closing signal.
After detecting the operation on the power button or switch of the drive mechanism or solenoid mechanism, it may be further detected whether the power of the drive mechanism or solenoid mechanism of the corresponding control rod and/or control drum is turned off, e.g. when a power off signal is detected, it may be determined that the corresponding control rod and/or control drum starts moving towards the shutdown position.
Through the plurality of detection steps, misoperation can be prevented, or the operation process can be conveniently determined, so that the experiment or test flow is optimized.
Next, the above-described measurement method may perform step S105 of acquiring a count rate of the process of moving the selected object to the shutdown position.
The count rate may be measured, for example, by detectors disposed in the core.
Next, the above-described measurement method may perform step S107 of calculating an integrated value from the obtained count rate.
Reactivity can be calculated from the correspondence between count rate and reactivity, thereby obtaining the integrated value of the control rod and/or control drum.
It should be noted that the control rod and/or the control drum of the present application may be moved to the shutdown position for satisfying the safety requirements of the reactor to ensure the safety and reliability of the experiment or test.
According to the control rod and/or control drum integral value measuring method, the operation is simple, the working efficiency is high, the user can conveniently operate and/or watch at any time through the display interface, and the user experience is improved.
The above measurement method is equally applicable to differential value measurement of control rods and/or control drums, except that the calculation formula is different. The specific operation steps are referred to the above embodiments, and are not repeated here.
Further, embodiments of the present application also provide a control rod and/or control drum integral value measurement apparatus, as shown in fig. 5, comprising: a display module 200 arranged to display an object to be measured, the object comprising at least one of a control bar or a control drum; a detection module 300 configured to detect a selection operation or a control operation of the display module; a processing module 400 configured to select an object to be measured according to a result of the selection operation, or to control the object to move to a shutdown position according to a result of the control operation, wherein the shutdown position is a position of the control rod or the control drum at a reactor core when a reactor is shutdown; an acquisition module 500 arranged to acquire a count rate of the movement of the object to the shutdown position; a calculation module 600 is arranged to calculate an integrated value from the count rate.
The modules in fig. 5 are only schematic components and the control rod and/or control drum integral value measuring device may include additional or fewer components and may be adjusted as desired.
In some embodiments, the processing module selecting the object to be measured includes any one of: selecting at least one control rod; selecting at least one control drum; at least one control rod and at least one control drum are selected.
In some embodiments, the display module is further configured to: highlighting the selected control stick and/or control drum; and/or displaying the selected control bar and control drum based on different colors and/or different brightnesses.
In some embodiments, the control rods and/or the control drums are controlled in motion by a drive mechanism, which drops to insert the core when the drive mechanism power is turned off, or which rotates toward the core; the processing module controlling the object to move to a shutdown position according to the result of the control operation comprises: and detecting a closing signal of a driving mechanism power supply of the control rod and/or the control drum, and determining that the control rod and/or the control drum moves towards the shutdown position according to the closing signal.
In some embodiments, the display module further displays a frame surrounding each of the objects to be tested; the detection module detects the selection operation of the display interface, and the detection module comprises the following steps: and detecting a cursor signal falling into a preset area of the frame part.
In some embodiments, the display module further displays a drive mechanism power button or switch; the detection module detecting the control operation of the display interface comprises the following steps: and detecting a signal of the number of times the button is clicked, or detecting a signal of the preset position of the switch is clicked.
For the functions of the above modules and the corresponding steps or technical effects, please refer to the corresponding parts of the above measurement method, which will not be described in detail.
Further, embodiments of the present application also provide a control rod and/or control drum integral value measurement apparatus comprising: a processor and a memory having stored therein computer executable instructions which, when executed by the processor, cause the processor to perform the control stick and/or control drum integral value measurement method of the above embodiments.
Further, embodiments of the present application also provide a computer-readable recording medium storing executable instructions that, when executed by a processor, cause the processor to perform the control stick and/or control drum integral value measurement method of the above embodiments.
It should also be noted that, in the embodiments of the present application, the features of the embodiments and the embodiments of the present application may be combined with each other to obtain new embodiments without conflict.
The above is only a specific embodiment of the present application, but the scope of the present application should not be limited thereto, and the scope of the present application should be determined by the scope of the claims.

Claims (12)

1. A control rod and/or control drum integral value measurement method, comprising the steps of:
detecting a selection operation of a display interface, and selecting an object to be measured according to a result of the selection operation, wherein the object comprises at least one of a control rod or a control drum;
detecting control operation of the display interface, detecting a closing signal of a driving mechanism power supply of the control rod and/or the control drum, and determining that the control rod and/or the control drum moves towards a shutdown position according to the closing signal, wherein the shutdown position is a position of a reactor core where the control rod or the control drum is located when a reactor is shutdown;
acquiring a counting rate of the process of moving the object to the shutdown position;
calculating an integral value according to the counting rate;
the control rods and/or the control drums are controlled to move by a driving mechanism, and when the power supply of the driving mechanism is turned off, the control rods fall into the reactor core or the control drums rotate towards the reactor core.
2. The method of claim 1, wherein the step of determining the position of the substrate comprises,
the selecting an object to be measured includes any one of the following:
selecting at least one control rod;
selecting at least one control drum;
at least one control rod and at least one control drum are selected.
3. A method according to claim 1 or 2, characterized in that,
the selecting an object to be measured further includes:
highlighting the selected control stick and/or control drum; and/or
The selected control bars and control drums are displayed based on different colors and/or different brightnesses.
4. A method according to any one of claim 1 to 3, wherein,
the display interface displays a frame part surrounding each object to be measured;
the selecting operation of the detection display interface comprises the following steps: and detecting a cursor signal falling into a preset area of the frame part.
5. The method according to any one of claim 1 to 4, wherein,
the display interface displays a power button or a switch of the driving mechanism;
the detecting the control operation of the display interface comprises the following steps: and detecting a signal of the number of times the button is clicked, or detecting a signal of the preset position of the switch is clicked.
6. A control rod and/or control drum integral value measuring device, comprising:
a display module arranged to display an object to be measured, the object comprising at least one of a control bar or a control drum;
a detection module configured to detect a selection operation or a control operation of the display module;
the processing module is used for selecting an object to be measured according to the result of the selection operation, detecting a closing signal of a driving mechanism power supply of the control rod and/or the control drum, and determining that the control rod and/or the control drum moves towards a shutdown position according to the closing signal, wherein the shutdown position is the position of the control rod or the control drum at a reactor core when a reactor is shutdown;
the acquisition module is used for acquiring the counting rate of the process of moving the object to the shutdown position;
a calculation module arranged to calculate an integrated value from the count rate;
the control rods and/or the control drums are controlled to move by a driving mechanism, and when the power supply of the driving mechanism is turned off, the control rods fall into the reactor core or the control drums rotate towards the reactor core.
7. The apparatus of claim 6, wherein the device comprises a plurality of sensors,
the processing module selects an object to be measured including any one of the following:
selecting at least one control rod;
selecting at least one control drum;
at least one control rod and at least one control drum are selected.
8. The apparatus according to claim 6 or 7, wherein,
the display module is further configured to:
highlighting the selected control stick and/or control drum; and/or
The selected control bars and control drums are displayed based on different colors and/or different brightnesses.
9. The device according to any one of claims 6 to 8, wherein,
the display module also displays a frame part surrounding each object to be measured;
the detection module detects the selection operation of the display interface, and the detection module comprises the following steps: and detecting a cursor signal falling into a preset area of the frame part.
10. The apparatus of claim 9, wherein the device comprises a plurality of sensors,
the display module also displays a power button or a switch of the driving mechanism;
the detection module detecting the control operation of the display interface comprises the following steps: and detecting a signal of the number of times the button is clicked, or detecting a signal of the preset position of the switch is clicked.
11. A control rod and/or control drum integral value measuring apparatus comprising:
a processor and a memory having stored therein computer executable instructions which, when executed by the processor, cause the processor to perform the control stick and/or control drum integral value measurement method of any one of claims 1-5.
12. A computer readable recording medium storing executable instructions which, when executed by a processor, cause the processor to perform the control stick and/or control drum integral value measurement method of any one of claims 1-5.
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