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A kind of plasma current calculation method and device

A plasma and current calculation technology, applied in the field of data processing, can solve the problem of low accuracy of plasma current calculation, and achieve the effects of improving inversion accuracy, optimizing model structure, and improving calculation accuracy

Active Publication Date: 2022-07-15
UNIV OF SCI & TECH OF CHINA
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Problems solved by technology

[0006] However, the calculation accuracy of the existing technology for the plasma current may be low

Method used

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  • A kind of plasma current calculation method and device
  • A kind of plasma current calculation method and device
  • A kind of plasma current calculation method and device

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Embodiment Construction

[0056] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present invention will be more thoroughly understood, and will fully convey the scope of the present invention to those skilled in the art.

[0057] like figure 1 As shown, this embodiment proposes a plasma current calculation method, which may include the following steps:

[0058] S101, obtaining external diagnostic data of the plasma current, and the plasma current exists in the current plasma current region in the inner vacuum chamber;

[0059] The plasma current region may be a region containing plasma current in the inner vacuum. It should be noted that, no pla...

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Abstract

The invention discloses a plasma current calculation method and device, which can obtain external diagnostic data of plasma current, input the external diagnostic data into a preset target current calculation model, and obtain a target current value output by the target current calculation model, Among them, the target current calculation model is obtained according to the target prior probability model, the target prior probability model is constructed according to the reference gun current, and the target current value is determined as the plasma current. The present invention introduces the target prior probability model constructed by reference gun current, considers the inversion results of the target historical discharge operation experiment with similar discharge target data, and utilizes the empirical data of the target historical discharge operation experiment to optimize the model of the prior probability model The structure can optimize the model structure of the posterior probability model, improve the calculation accuracy of the plasma current by the posterior probability model, reduce the error of plasma current inversion using external diagnostic data, and improve the inversion accuracy.

Description

technical field [0001] The invention relates to the technical field of data processing, in particular to a plasma current calculation method and device. Background technique [0002] With the development of science and technology, controlled nuclear fusion technology has been continuously improved. [0003] A tokamak device is an annular vessel that enables controlled nuclear fusion through magnetic confinement and vacuum insulation. In the discharge experiment process of the tokamak device, the discharge process can be studied by obtaining its discharge parameters, and the discharge process can be optimized. [0004] Among them, the plasma current is an important discharge parameter. The plasma is located in the inner vacuum chamber of the Tokamak device. Generally, the plasma current cannot be obtained by direct measurement, but the plasma current can be inverted by the data measured by the measuring instrument deployed outside the inner vacuum chamber. to determine the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05H1/00G06F17/18G06F17/16G06F17/15
CPCH05H1/0006H05H1/0081G06F17/18G06F17/16G06F17/15
Inventor 刘自结罗正平李建刚肖炳甲
Owner UNIV OF SCI & TECH OF CHINA
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