Viewing and inspection in tokamak machines

Maisonnier, D.

doi:10.1016/s0920-3796(01)00601-9

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Stereophotogrammetry1

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2008

2011

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Cited by 4 publications

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“…Many of the components' shapes do not lend themselves to having obvious vertices from which to pick common points in the two images. Considering that all sharp edges are routinely removed to reduce the risk of beryllium handling, it becomes particularly challenging to interpret the image [6]. Future developments in the measurement software [7] may lead to an ability to select common edges and axes, reducing the reliance on sharp vertices.…”

Section: Stereophotogrammetrymentioning

confidence: 99%

Developments in remote metrology at JET

Mindham

Sandford

Hermon

et al. 2011

Fusion Engineering and Design

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Section: Stereophotogrammetrymentioning

confidence: 99%

Developments in remote metrology at JET

Mindham

Sandford

Hermon

et al. 2011

Fusion Engineering and Design

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In-vessel visible inspection system on KSTAR

Chung

Seo

2008

Review of Scientific Instruments

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To monitor the global formation of the initial plasma and damage to the internal structures of the vacuum vessel, an in-vessel visible inspection system has been installed and operated on the Korean superconducting tokamak advanced research (KSTAR) device. It consists of four inspection illuminators and two visible/H-alpha TV cameras. Each illuminator uses four 150 W metal-halide lamps with separate lamp controllers, and programmable progressive scan charge-coupled device cameras with 1004 x 1004 resolution at 48 framess and a resolution of 640 x 480 at 210 framess are used to capture images. In order to provide vessel inspection capability under any operation condition, the lamps and cameras are fully controlled from the main control room and protected by shutters from deposits during plasma operation. In this paper, we describe the design and operation results of the visible inspection system with the images of the KSTAR Ohmic discharges during the first plasma campaign.

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