CN208621744U - The real-time detection system of tearing mode magnetic island position in a kind of plasma - Google Patents
The real-time detection system of tearing mode magnetic island position in a kind of plasma Download PDFInfo
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- CN208621744U CN208621744U CN201821127862.0U CN201821127862U CN208621744U CN 208621744 U CN208621744 U CN 208621744U CN 201821127862 U CN201821127862 U CN 201821127862U CN 208621744 U CN208621744 U CN 208621744U
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Abstract
The utility model discloses a kind of real-time detection systems of tearing mode magnetic island position in plasma, the information such as turn-key system, big gun number, the triggering that Central Timing system is sent are received on hardware, and are realized without crosstalk switching magnetic probe diagnostic signal, electron gyroradiation diagnostic signal；The Real-Time system that controller on software by using PXIe is built is programmed using Producer-consumer problem framework as slave computer and realizes real time data acquisition, processing function；Data communication is realized by the framework programming of message queue between upper and lower computer.The utility model realizes the real-time detection to tearing mode magnetic island position, can provide in real time magnetic island radial position in plasma for ECRH system, has great importance to avoiding tearing mode magnetic island from causing Major disruptionL.
Description
Technical field
The utility model relates to tearing mode magnetic island positions in tokamak device technical field more particularly to a kind of plasma
The real-time detection system set.
Background technique
In controlled nuclear fusion experimental study, tokamak is the typical magnetic confinement device for using magnetically confined plasma
One of.In the normal discharge process of tokamak device, the reason of can result in Plasma disruption have it is very much, wherein tearing
Rupture caused by the appearance and growth of mould magnetic island (following to be also referred to as " magnetic island ") is exactly one of them.Electron Cyclotron Resonance Heating
(Electron Cyclotron Resonant Heating, ECRH) system is the case where obtaining the position of tearing mode magnetic island
Under, can the tearing mode magnetic island to known location carry out certain inhibition.Therefore, real-time detection tearing mode magnetic island position is studied,
Tearing mode magnetic island real time position is provided for ECRH system, is of great significance to the Major disruptionL for avoiding tearing mode magnetic island from causing.
To realize the real-time detection of the position of tearing mode magnetic island in plasma, it is necessary to build one it is equal in real time from
The detection system of daughter tearing mode magnetic island position, the system include real-time operating system, real-time diagnostic signal acquisition, in real time
Data transmission and in real time processing, continuously and stably calculated in entire plasma discharge experimentation, and calculate every time
Time-consuming limitation in a certain range.
Utility model content
The utility model aim is exactly in order to make up the defect of prior art, to provide tearing mode magnetic island in a kind of plasma
The real-time detection system of position, can be in the state of in real time, using to magnetic probe diagnostic signal and electron gyroradiation diagnosis
Signal is handled in real time, according to the difference of interception time piece, can obtain plasma with 1 millisecond of timeslice finish time or so
The position of interior tearing mode magnetic island, which can continuously be calculated and be recorded acquisition data and processing result, until electric discharge
The end of experiment.
The utility model is achieved through the following technical solutions:
The real-time detection system of tearing mode magnetic island position, includes turn-key system, Central Timing system in a kind of plasma
System, magnetic probe diagnostic system, electron gyroradiation diagnostic system, lemo three-way connector, light every, SMA three-way connector, in real time
Industrial personal computer and host computer are acquired, plasma discharge information is sent to acquisition industry control in real time by cable by the turn-key system
The trigger signal of acquisition is sent to acquisition industrial personal computer in real time, magnetic probe diagnostic system by firing line by machine, Central Timing system
Diagnosis plasma in disturbance of magnetic field information and by lemo three-way connector transfer to diagnostic message inlet wire and be sent to light every,
Light is influenced every isolation with magnetic probe diagnostic system altogether, and diagnostic message is sent to acquisition industrial personal computer in real time, the electronics
Cyclotron radiation diagnostic system provides electronic-temperature in plasma distributed intelligence and information is realized nothing by SMA three-way connector
The switching of crosstalk, then acquisition industrial personal computer in real time is sent information to, industrial personal computer is acquired in real time, and the information of acquisition is handled simultaneously
Calculated result, host computer carry out communication connection by cable and in real time acquisition industrial personal computer, and host computer is to entire acquisition industry control in real time
It is acquired in real time in machine, the initial configuration of processing routine, and calculated result is shown, is stored.
The real-time acquisition industrial personal computer includes capture card one, capture card two and real-time acquisition controller, and described adopts
Truck one, capture card two and real-time acquisition controller, which are respectively embedded in, to be supported to construct in the industry control cabinets of agreements such as PXIe bus
Acquisition industrial personal computer in real time；The general control system is connect with real-time acquisition controller, the Central Timing system and acquisition
One connection of card, the light are connect every with capture card one, and the SMA three-way connector is connect with capture card two, capture card one
It is connect with real-time acquisition controller with capture card two.
The model PXIe8135 of real-time acquisition controller.
The utility model has the advantages that: Tthe utility model system slave computer uses the real-time acquisition controller structure of the PXIe of NI
The Real-Time system of the Labview built is the stable operation of program, provides higher reliability；Real time data acquisition with
On the one hand processing function uses Producer-consumer problem framework, it is ensured that the real-time that function is realized, on the other hand, upper bottom
The procedure subject framework of machine improves the portability of program function by the way of message queue；System data processing function
Module has all done the processing for going drift of real-time data collection to each big gun data, reduces system fluctuation bring measurement error
Interference.
Detailed description of the invention
Fig. 1 is the working principle block diagram of the utility model.
Fig. 2 is the utility model software function flow diagram.
Specific embodiment
As shown in Figure 1, in a kind of plasma tearing mode magnetic island position real-time detection system, include turn-key system 1,
Central Timing system 2, magnetic probe diagnostic system 3, electron gyroradiation diagnostic system 4, lemo three-way connector 5, light are every 6, SMA
Three-way connector 7, acquisition industrial personal computer 8 and host computer 9, the turn-key system 1 are believed plasma discharge by cable in real time
Breath is sent to acquisition industrial personal computer 8, Central Timing system 2 in real time and the trigger signal of acquisition is sent to real-time acquisition by firing line
Industrial personal computer 8, magnetic probe diagnostic system 3 diagnose disturbance of magnetic field information in plasma and are diagnosed by 5 Duis of lemo three-way connector
Information inlet wire transfers and is sent to light every 6, and light is influenced every 6 isolation with magnetic probe diagnostic system 3 altogether, and diagnostic message is sent
To real-time acquisition industrial personal computer 8, the electron gyroradiation diagnostic system 4 provides electronic-temperature in plasma distributed intelligence simultaneously
Information is realized into the switching without crosstalk by SMA three-way connector 7, then sends information to acquisition industrial personal computer 8 in real time, is adopted in real time
The information of 8 pairs of industrial personal computer acquisitions of collection handle and calculated result, and by cable and in real time, acquisition industrial personal computer 8 carries out host computer 9
Communication connection, host computer 9 will calculate the entire initial configuration for acquiring acquisition in real time in industrial personal computer, processing routine in real time
As a result it shown, stored.
The real-time acquisition industrial personal computer includes capture card 1, capture card 2 11 and real-time acquisition controller 12, institute
Capture card 1, capture card 2 11 and the real-time acquisition controller 12 stated are respectively embedded in the industrial personal computer for supporting PXIe bus protocol
Acquisition industrial personal computer 8 in real time is constructed in case 13；The general control system 1 is connect with real-time acquisition controller 12, it is described in
Centre timing system 2 is connect with capture card 1, and the light is connect every 6 with capture card 1, the SMA three-way connector 7
It is connect with capture card 2 11, capture card 1 and capture card 2 11 are connect with real-time acquisition controller 12.
The configuration to lower computer system is completed by host computer NI-MAX software tool, is arranged and is mounted to Labview
Real-Time system, then by establishing projects in host computer, using Labview language to write upper and lower computer program real
Now specific function, program function execute the following steps are included:
1) system initialization is carried out；
2) start to be listened to and parsed using the information that network issues turn-key system；
3) until listening to information, vertical field data is read in real time, otherwise return step 1)；
4) to the automatic screening in acquisition tasks channel；
5) it opens acquisition tasks channel and waits unified hardware trigger；
6) until receiving hardware trigger, start to acquire magnetic probe diagnostic signal and electron gyroradiation diagnostic signal, it is no
Then return step 5)；
7) it is selected the data that several in advance seconds start carrying out write-in queue according to triggered time situation；
8) acquisition industrial personal computer is calculated by the processing to magnetic probe diagnostic signal and electron gyroradiation diagnostic signal in real time
The position of magnetic island out；
9) will be acquired after completing signal processing the data of data and data processed result respectively in a manner of network flow on
It passes and stores in host computer.
In the step 1), system initialization includes input, the open system of system parameter initialization and configuration parameter
Listen to mode.
In the step 2), turn-key system refers to one controlled entire discharge parameter before Tokamak discharge
System, and the big gun number next to discharge and electric discharge duration can be all sent to each subsystem of tokamak device before each electric discharge
Information.
In the step 3), vertical field data can be manually entered configuration parameter or by obtaining after big gun number by upper
Position machine is read in Mdsplus software.
It is that system can be according to the vertical field data of reading to electricity when opening channel automatic screening function in the step 4)
The channel variation of sub- cyclotron radiation diagnostic signal carries out automatic screening and rearrangement.
In the step 8), by using locking phase enhanced processing to magnetic probe diagnostic signal and electron gyroradiation signal
Calculate radial position of the magnetic island in tokamak.
Pass through the 7 plasma Internal magnetic probe diagnostic signal of three-way connector of the three-way connector 5 of lemo and SMA respectively
The tap without crosstalk is carried out with electron gyroradiation diagnostic signal, wherein in view of impedance matching and interference problem of ploughing, according to
Diagnostic system signal different characteristics, it is dry by light ploughing every realizing partitioning system after between the switching of magnetic probe diagnostic signal
It disturbs；After the switching of electron gyroradiation diagnostic signal, adopting in acquisition industrial personal computer is linked into using identical pseudo-differential cut-in method
Truck analog channel acquires input terminal, and the hardware trigger on board that each channel trigger collection of system uses can guarantee in this way
Each channel acquisition timing is identical；The controller of acquisition industrial personal computer is connected by cable with diagnosis net, before realizing every big gun electric discharge
Turn-key system can be received and send the information such as big gun number；Composition is the control by supporting Real-Time system inside acquisition industrial personal computer
The multichannel collecting card and the acquisition industry control cabinet of the various communications protocols such as PXIe, PCI is supported to take jointly that device, support acquire in real time
It builds, and the slave computer part as Tthe utility model system；The industrial personal computer that the host computer of system uses is linked by cable examines
Suspension is communicated with slave computer
As shown in Figure 2: the realization of the software function of the utility model is broadly divided into four-stage, below exactly four-stage
Concrete function:
First stage, the initialization to system status parameters then set up the communication between upper and lower computer, in connection setup
In the case where, the configuration of whole system relevant parameter is realized by host computer interactive interface；
Second stage after the completion of parameter configuration, listens to button by opening, and program, which is opened, listens to big gun number by udp protocol
Function, and big gun number is compared, when confirmation is new big gun, dissection process is carried out to information, by big gun by way of network flow
Number it is sent to host computer, otherwise continues to listen to big gun number；
Phase III is manually or automatically to determine the value of vertical field using being manually entered or real according to vertical field mode
When read, when starting acquire function, be manually or automatically according to acquisition tasks channel selection mode, thus it is possible to vary acquisition tasks
Channel, and after obtaining the hardware trigger signal that Central Timing system provides, which starts to acquire in real time, handles data, root
The time of acquisition is determined according to the electric discharge duration of second stage parsing, and during this, data can pass through net flow point
The host computer that is transferred to of section is shown, can end automatically acquisition tasks after reaching acquisition duration；
Fourth stage, after the completion of acquisition, processing, acquire data and processing result can by way of network flow sliced transmission
It is stored to host computer, and to it, file is closed after the completion of storage, is again introduced into and listens to big gun function, system enters new one
The circulation of wheel.
Claims (2)
1. the real-time detection system of tearing mode magnetic island position in a kind of plasma, it is characterised in that: include turn-key system, in
Centre timing system, magnetic probe diagnostic system, electron gyroradiation diagnostic system, lemo three-way connector, light lead to every, SMA tri-
It connects device, real-time acquisition industrial personal computer and host computer, the turn-key system and plasma discharge information is sent to by reality by cable
When acquire industrial personal computer, the trigger signal of acquisition is sent to acquisition industrial personal computer in real time, magnetic spy by firing line by Central Timing system
Needle diagnostic system diagnoses disturbance of magnetic field information in plasma and is transferred simultaneously by lemo three-way connector to diagnostic message
Be sent to light influences every isolation with magnetic probe diagnostic system altogether every, light, and diagnostic message is sent to and acquires industrial personal computer in real time,
The electron gyroradiation diagnostic system provides electronic-temperature in plasma distributed intelligence and leads to information by SMA tri-
It connects device and realizes the switching without crosstalk, then send information to acquisition industrial personal computer in real time, acquire industrial personal computer in real time to the information of acquisition
Handle and calculated result, host computer acquire industrial personal computer by cable and in real time and carry out communication connection, host computer is to entire reality
When acquisition industrial personal computer in acquisition in real time, processing routine initial configuration, and calculated result shown, is stored.
2. the real-time detection system of tearing mode magnetic island position, feature exist in a kind of plasma according to claim 1
In: the real-time acquisition industrial personal computer includes capture card one, capture card two and real-time acquisition controller, the capture card
One, capture card two and real-time acquisition controller are respectively embedded in construct in the industry control cabinet for supporting PXIe bus protocol adopts in real time
Collect industrial personal computer；The turn-key system is connect with real-time acquisition controller, and the Central Timing system is connect with capture card one,
The light is connect every with capture card one, and the SMA three-way connector is connect with capture card two, capture card one and capture card two
It is connect with real-time acquisition controller.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802650A (en) * | 2018-07-17 | 2018-11-13 | 中国科学院合肥物质科学研究院 | The real-time detection system and method for tearing mode magnetic island position in a kind of plasma |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802650A (en) * | 2018-07-17 | 2018-11-13 | 中国科学院合肥物质科学研究院 | The real-time detection system and method for tearing mode magnetic island position in a kind of plasma |
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