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Plasma current calculation method and device

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

Active Publication Date: 2021-06-22
UNIV OF SCI & TECH OF CHINA
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  • Abstract
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  • Claims
  • Application Information

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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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  • Plasma current calculation method and device
  • 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. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

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

[0058] S101. Obtain external diagnostic data of plasma current, where the plasma current exists in the current plasma current region in the inner vacuum chamber;

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

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Abstract

The invention discloses a plasma current calculation method and device, and the method comprises the steps of obtaining the external diagnosis data of a plasma current, inputting the external diagnosis data into a preset target current calculation model, and obtaining a target current value outputted by the target current calculation model, wherein the target current calculation model is obtained according to a 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. According to the method, the target prior probability model constructed by reference shot current is introduced, the inversion result of a target historical discharge operation experiment similar to discharge target data is considered, the model structure of the prior probability model is optimized by using the empirical data of the target historical discharge operation experiment, so that the model structure of a posterior probability model can be optimized, the calculation precision of the posterior probability model on the plasma current is improved, the errors of plasma current inversion by using the external diagnosis data are reduced, and the inversion precision is improved.

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 tokmak is a ring-shaped container that can achieve controlled nuclear fusion through magnetic confinement and vacuum insulation. During the discharge experiment of the tokmak device, the discharge process can be studied and optimized by obtaining its discharge parameters. [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 instruments deployed outside the inner vacuum chamber. to determine the plasma current. [0005] At pr...

Claims

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Application Information

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Patent Type & Authority Applications(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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